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| Lee, M., Yeungnam University, Gyongsan, South Korea; Shin, J., LG Chem., Daejeon, Korea; Lee, S., LG Chem Ltd., Daejeon, South Korea; Lee, J., LG Chem Ltd., Daejeon, South Korea
A simple auxiliary configuration and an extensive modeling study can mitigate the implementation risks of DWCs
[dividing-wall column]
Dividing-wall columns (DWCs)also called
partitioned-wall columnshave been introduced as an
attractive option to reduce energy consumption and capital
costs in distillation processes. However,
risks and worries associated with the implementation of DWCs
hamper the expansion of this technology in
conservative process industries. This article introduces a real
implementation case in which a conventional column was upgraded
to a DWC. It also discusses how the risks in DWC implementation
can be mitigated by establishing contingencies and predicting
the column performance via modeling.
Since Wright first introduced the concept of the
DWC1 in 1949, over 90 commercial-scale applications
have been reported.2 However, the industrial
implementation of DWCs has been slow, despite the potential
benefits and promising results of this technology. Most reported DWC
applications have been attributed to a few leading companies,
namely BASF, Dow and UOP.3 Recently, other companies
have begun to consider this technology more seriously, although
only large companies with sufficient research and development
(R&D) capabilities can evaluate and benefit from such
complex, energy-saving technologies.
The slow acceptance of DWCs is also due to industries
entrenched preference for proven methods over potentially risky
new technologies. Hydrocarbon plant operators generally
prioritize stable production over energy savings. Such caution
is necessary, and it is important that any new system be able
to demonstrate its suitability before it is implemented.
This article examines the implementation of a DWC in an LG
Chem Ltd. plant, with emphasis on the practical risks of the
installation. Extensive modeling studies were used to mitigate
implementation risks, check for human error, and demonstrate
the industrial suitability of DWCs.
Fig. 1 outlines a 2-ethylhexanol (2-EH) production plant, in
which butyraldehyde (BAL) is synthesized from propylene and
synthesis gas by the oxo reaction. Normal butyraldehyde (NBAL)
and isobutyraldehyde (IBAL) isomers are then separated through
an isomer process, and the NBAL is converted to 2-EH by aldol
condensation. Crude 2-EH is then generated from EPA and
hydrogen by hydrogenation and purified to a final 2-EH product
in an alcohol purification unit.
A preliminary feasibility study for installing the DWC was
conducted. The DWC configuration shown in Fig. 2a
retrofit of the existing columnwas proposed. Simulation
of this DWC configuration showed that considerable energy
savings could be achieved at a reasonable installation cost.
Field engineers and plant operators reviewed the feasibility
study, but some were skeptical about the DWCs performance
and reliability. Further technical
evidence was needed to convince the field engineers of the
DWCs merits and to ensure safe operation before the
installation of the DWC.
DWCs involve simple concepts that should be familiar to
chemical engineers. However, plant operators are more familiar
with conventional, two-product column systems. A DWC column may
also be required to switch between DWC operating mode and
conventional operating mode, due to unforeseen circumstances or
maintenance. Therefore, dual
operation was incorporated into the DWC to allow for
conventional operation as a contingency (Fig. 3).
In DWC mode, the side product is withdrawn from the middle
of the main section. Liquid flow from the overhead is directed
to a liquid-splitting device (i.e., a reflux splitter), and the
two liquid streams are then introduced into the prefractionator
section and main section. Vapor- and liquid-splitting ratios in
the dividing-wall section are the most important variables in
DWC operation.4 Liquid splitting can be easily
adjusted using the reflux splitter, making it suitable as a
manipulated operating variable. Vapor splitting, however, is
determined by the columns interior and the pressure drop
of each dividing-wall section, making it a design variable that
cannot be freely adjusted after column installation. Therefore,
the columns internal design must be based on an accurate
prediction of the hydraulics in the partition section to ensure
that the vapor-splitting ratio follows the design. Ensuring the
integrity of the column requires close collaboration with
internal suppliers and other vendors at every stage of the DWC
During contingency operation, the side draw is not used and
liquid flow from the column overhead directly enters each
partitioned section. A specially designed distributor can allow
dual operation by evenly distributing liquid into each
partitioned section. The difference between the pressure drops
of the prefractionator and main sections should be minimized,
and the two sections should act as one in the contingency mode.
An equalizing vapor line must be present to alleviate pressure
differences. It is possible to predict pressure drops in the
partitioned section with hydraulic correlations from the column
internal suppliers and through rigorous computational fluid
dynamics (CFD) analysis. Simple correlation is generally
sufficient to calculate the pressure drop of each section to
reasonable accuracy.
Also, as the arrangements of nozzles and pipes are
complicated and potentially confusing, a 3D visual model was
created to help reduce human error in construction (Fig. 4).
Installing a partitioning wall does not guarantee energy
savings. The benefits are system specific and depend on the
properties of the separation system and the required products.
Potential benefits should, therefore, be rigorously estimated
through an extensive case study. Simulation software can be
used to design a DWC and to predict its performance using
built-in, thermodynamic physical properties. For an existing
column, plant operations data can be used to reassure the reliability of the physical and
thermodynamic property methods selected. Design
variablessuch as total number of trays, feed and product
locations, and liquid- and vapor-splitting ratios in the
partitioned sectioncan be determined by simulation. Construction costs should be
estimated with regard to site-specific concerns.
The concept of a DWC with dual operating modes can be
realized without greatly increasing the installation cost.
Before implementing the concept, the performance of each
operational mode of the column was predicted through rigorous
modeling. Fig. 5 shows column temperature profiles for the two
operational modes. In DWC mode, the temperature profile of the
prefractionator section differs from that of the main section,
while they are identical in contingency mode.
DWCs generally lack operational flexibility. If a plant is
not operating with a normal load during startup or shutdown,
the column should be operated with a considerably lower
feedrate. DWCs use less energy, implying that vapor and liquid
loadings are lower than in conventional columns. With lower
loads, internal flows can be increased by raising the boil-up
and reflux rates, at the cost of increased energy use. The
example column was successfully operated at below half of the
normal load without showing problems during startup.
In this installation, the bottom section of the
existing column could be used. The only problem related to the
implementation was ensuring sufficient structural strength for
the increased height and weight of the column after
retrofitting. To evaluate the possibility of reusing the
original column, its flooding factor was checked to analyze its
hydraulic performance. Since the vapor load is generally
proportional to the required reboiler duty, the
existing column section, including the internals, could
potentially be used in the retrofit. If modification is
necessary, the first option is modifying the internals, which
does not require major changes to the columns bottom
section, including the reboiler and piping.
To reduce downtime, the rest of the column section was produced
in the shop and welded to the bottom section at the plant site.
The installation work was completed within 12 days.
The increased number of temperature sensors helped engineers
monitor the column operation and detect any abnormal behavior.
The retrofitted column consisted of seven packing sections,
with two to four temperature sensors installed in each. The
Plant Information System (PIS) and the Distributed Control
System (DCS) screens were modified, along with additional
instruments and control loops.
The concepts of the DWC, its operational modes, and
the new equipment were explained to the plant operators, as
were the startup and shutdown procedures. The operators
understood the concept and benefits of DWCs, and their
questions were clarified with 3D models and simulation results.
The help of operators and plant engineers was essential to the
projects success at all
stages, from the preliminary study to the actual
implementation. Thorough and clear communication reduces
unnecessary time losses and risks during implementation. In
most cases, process engineers who design DWC columns are not
aware of site-specific concerns.
A DWC with two operating modes was designed and studied to
minimize operational risks and to ensure a safe retrofit to an
existing column. The DWC was then installed in an LG Chem Ltd.
plant, and it has been operating successfully since startup.
Computer modeling was an important factor in establishing the
DWC, as these columns require extensive analysis.
The existing conventional column was easily upgraded to a
DWC through the addition of a partition wall. This upgrade was
achieved in an acceptable period of time. The proposed DWC
arrangement can be used in the revamp of other single
conventional columns, allowing for significant reductions of
energy expenses at a reasonably low capital cost.
The idea of a dual-mode DWC alleviates plant
personnels concerns about the potential risks of DWC
implementation and thus contributes to the greater application
of DWCs in the hydrocarbon industry.
This research was supported by an Energy Efficiency and
Resources grant from the Korea Institute of Energy Technology Evaluation and Planning
(KETEP), funded by the Korean Government Ministry of Knowledge
1 Wright. R. O., Fractionation
Apparatus, US Patent 2,471,134, May 1949.
2 Asprion, N. and G. Kaibel, Dividing wall
columns: Fundamentals and recent advances, Chem. Eng.
Prog., Vol. 49, 2010, pp. 139146.
3 Adrian, T., H. Schoenmarkers and M. Boll,
Model predictive control of integrated unit operation:
Control of a divided wall column, Chem. Eng.
Prog., Vol. 43, 2004, pp. 347355.
4 Lee, S. H., M. Shamsuzzoha, M. Han, Y. H. Kim and
M. Y. Lee, Study of structure characteristics of a
divided wall column using the sloppy distillation arrangement,
Korean Journal of Chem. Eng., Vol. 28, 2011, pp.
Jongku Lee is the vice president of
LG Chem Ltd. Research Park in South Korea. He holds a
BS degree in chemical engineering from Seoul National
University, and an MS degree and PhD in chemical
engineering from KAIST. Since joining LG Chem in 1994,
he has worked on numerous process modeling and
optimization projects. Currently, he is
in charge of LG Chems process modeling and
solutions group and is performing research in the areas
of energy saving and sustainability in chemical
Moonyong Lee (corresponding author)
is a professor at the school of chemical engineering at
Yeungnam University in South Korea. He holds a BS
degree in chemical engineering from Seoul National
University, and an MS degree and PhD in chemical
engineering from KAIST. He worked in SK Energy refinery and petrochemical plants for 10
years as a design and control specialist. His current
areas of specialization include modeling, design and
control of chemical processes.
All comments are subject to editorial review.
All fields are compulsory.
Joonho Shin
Mohammed, General flowsheeting tools are available such as AspenPlus and HYSIS as you know. You can easily find some examples of DWC related simulation work.
how can i simulate DWC to convience my management?
Eliana Fiorese
I would like to obtain more information about the DWC operations and the pros and cons regarding installing it in an old distillation column. How can I have acess to some of these experienced people to discuss this matter?I really appreciate your replay.Thank you
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A searchable database of project activity in the global hydrocarbon processing industry
Engineers and designers are highly skilled individuals. Forcing them to enter design changes using tables, forms and spreadsheets is unproductive and uneconomical, and it increases the likelihood of human error—this is the way that most instrumentation software systems currently work. For too long, software vendors have denied engineers and designers the simple practicality of a graphical visual engineering interface with "drag and drop" capability and inbuilt intelligence, ensuring changes are automatically replicated into all the associated data and databases.
Is 2016 the peak for US gasoline demand?
Too soon to tell
July 2016


text:
Nathan Denette/The Canadian Press file photo
Nathan Denette/The Canadian Press file photo
PHOENIX � Many big-name pitchers found reason to say no to the World Baseball Classic.
R.A. Dickey, however, was an automatic yes.
The knuckleball master, winner of the NL Cy Young Award with the New York Mets last season now plying his unorthodox trade with Toronto, made it known before anyone asked him that he wished to play.
Now he will start for the United States in its WBC opener tonight against Mexico, something he calls �one of the greater privileges of my athletic career.�
At 38, Dickey is the oldest player on the U.S. roster. As such, he remembers being a part of the U.S. team at the 1996 Olympics and wants to atone for the disappointment of that bronze medal of 17 years ago.
�So this is a chance to redeem that in a lot of ways,� he said. �So I was proactive in wanting to be a part of this team. When I thought it was a possibility, I texted Tony Clark (of the MLB Players Association) and said, if there�s a spot and Joe wants me, I would love to do it.�
Needless to say, manager Joe Torre wanted him.
Dickey is one of three starting pitchers on the 28-man U.S. roster competing in Group D in Arizona, and he�s by far the biggest name. San Francisco�s Ryan Vogelsong will start Saturday night against Italy, with Texas� Derek Holland going against Canada on Sunday.
Following round robin play, the top two teams will advance to the second round next week in Florida. There, a fourth starter, Washington�s Gio Gonzalez, will join the fray.
Under WBC rules, to keep pitchers on their normal spring training regimen, starters are limited to 65 pitches in the first round.
With his knuckleball already in top form, Dickey figures that will be enough to make an impact against a Mexican lineup that surely has little experience against a knuckleball pitcher, let alone one with the proficiency that Dickey has developed.
�If I�m throwing 65 pitches and can execute 60 good knuckleballs, then we�re probably going to be in a good position,� he said.
Then Torre will turn things over to the cadre of 10 relievers he has on hand.
Dickey�s WBC appearance is the latest in a remarkable evolution to the right-hander�s career.
Last season with the Mets, he went 20-6 with a 2.32 ERA, becoming the first knuckleballer to win the Cy Young Award. Dickey led the National League in strikeouts (230) and shutouts (three).
�I don�t feel necessarily pressure because I feel like that�s something you put on yourself,� Dickey said before the U.S. team worked out Thursday at Chase Field. �I think it�s an incredible privilege. And I take great joy in having a gift that allows me to be here. I want to do the best I can with that gift.�
Torre said if Dickey has his knuckler going well, there�s little opposing hitters can do.
�If he�s doing what he wants to do with it, it�s going to be a tough challenge,� said the U.S. manager, the former New York Yankees and Los Angeles Dodgers skipper who stepped out of the MLB front office to take over a U.S. team trying to win its first WBC title. USA never has made it farther than the semifinals in the first two stagings of the world competition, both won by Japan.
Dickey brought along the man who will have to try to catch the most difficult of pitches to handle, Toronto teammate J.P. Arencibia.
�I�m completely confident in him,� Dickey said. �We got to work together in Nashville early on in the offseason. I�ve worked with him in the spring, and he�s progressively gotten better. Now, he�s progressively seen a better knuckleball as my arm�s gotten stronger, and I�ve gotten to the place where I feel like I�m where I need to be.�
Still, he said, catching his pitch �is a challenge.�
�You throw a good knuckleball, it�s hard for the best catcher in the world to catch it. It�s just tough,� Dickey said. �But he�s done a marvelous job of adapting.�
Torre has taken a different route in building a team. Instead of loading it with a couple of superstar-caliber players at every position, he has a basic starting lineup with two utility infielders and one extra outfielder. Dickey likes that approach.
�It�s not about talent as much as it�s about spirit, heart, desire. In international tournament competition, talent doesn�t always win,� Dickey said. �Over the course of 162 games, it�s a little bit better barometer.
�But in tournament play, it�s a little bit different. So you want guys around you who are all in. Like Joe said, �It�s not a comment on anybody that chose not to come here, but if there�s 1 percent of you that doesn�t want to be here, you shouldn�t come.�
�Because that�s what it demands in order to win,� Dickey said. �I think we have a clubhouse full of those guys, which is nice.�
It says something about Dickey�s makeup that one of his main motivations for being on the WBC team is the Olympic failure of that U.S. team in Atlanta 17 years ago.
Asked to share some thoughts on that Olympic experience, he said, �Regretfully I think the thing that stands out the most is coming up short.�
�It was an incredible honor and standing on the podium when I bent my neck down and had them place an Olympic medal around my head is an experience I�ll never forget,� he said.
But it wasn�t the gold medal.
�So in my eyes, that�s what I�m playing for, is a gold medal,� Dickey said. �For me, I don�t know what kind of trophy we get or a pendant or a ring or whatever it is, but it�s a gold medal for me.�
The Olympics, he said, �was really bittersweet in the sense that I was hoping to play Cuba and beat Cuba for a gold medal, and we never even got to the game. So it was tough. And this is a chance to redeem that in some way.�

subset: commoncrawl


text:
Due to essential maintenance some of our forms will be unavailable on Saturday 23 July 2016 from 3.30 am to 1 pm. We apologise for any inconvenience caused.
Other Resources for Help with Debt
Debt Advice Team - Birmingham City Council
There are many other organisations that provide useful information and advice on dealing with debt. Here are just a few that we have found useful:
Money Advice Service
The Money Advice Service was set up by government to provide clear advice on helping you manage your money. There is a lot of useful information on this site, here are just a few of the many tools available:
Your Money Health Check
Answer a few simple questions to produce a personal and confidential plan with simple steps for action you can take.
Debt and Mental Health
MoneySavingExpert.com provides a free 40-page booklet supported by Mind, Rethink, CAPUK and others, for people with mental health problems and those caring for them. It covers how to handle debts when unwell, work with banks, free debt counselling, specific tips for bipolar or depression sufferers, whether to declare a condition and more.
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If you have ever come into contact with an illegal moneylender, or know someone who has, then the Illegal Moneylending Team can help.
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text:
17 May 2012 2:06 PM #1
(GXT 3.0.0 GA) TimeAxis Label Rotation Issue in Charts
Version of Ext GWT
This problem occurs in the recently released GA version of Ext GWT 3.0.0.
Browser versions
Firefox 7
Operating System
Windows 7 64 bit
Dell Precision M4500
8 CPUs – Intel Core i7
8 GB Memory
Virtual Machine
The TimeAxis labels render above the TimeAxis when the TimeAxis is used horizontally below a chart (setPosition(Position.BOTTOM)) and rotation is used.
Please see attached ColumnChartTimeAxisRotationIssue.png.
This issue does occur in Firefox 7.
This issue DOES NOT OCCUR in Internet Explorer 8.
Run Mode
Occurs in when deployed to Tomcat (web mode), and running under Eclipse (dev mode).
Steps to Reproduce
The attached file (ColumnChartLabelRotationIssue.txt) can be used to demonstrate the problem.
The chart first comes up showing a range of time from December 1, 2012 through December 15, 2013.
All labels except the first label renders above the TimeAxis.
In the attached file (ColumnChartLabelRotationIssue.txt), I set label padding to -10 (setLabelPadding(-10)) per demo site example and this causes the labels to render completely above the TimeAxis and not be visible. I set label padding to 2 for the screen shot so that the labels would at least be partly visible.
Please let me know if I am doing anything wrong in the code in the attached file or if there is a work around.
John L
23 May 2012 2:36 PM #2
Turns out there was in issue in fire fox determining whether SVGTextElement was visible before calculating the bbox. This is now fixed and will be in the next release.text.jpg
15 Aug 2012 1:33 PM #3
GXT 3.0.1 has been released and contains this fix.


text:
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Learn By Term offers flexibility and convenience for adult learners. You may access the course from a computer with an Internet connection 24 hours a day, seven days a week from home, work, a college campus, or public library.
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23 Feb 2012 1:31 PM #1
Unanswered: Save Data From Ext.Ajax.request into Ext.Store
Hi all,
I am calling an ASP.NET web service that returns JSON data with two roots, using Ext.Ajax.request and i am handling the returned response successfully.
What i need to do is to save this JSON data to a new Ext.Store.
I know that i can call the web service directly from the store, but in my case the returned JSON data have multiple roots so i can save each root into a store.
This is my code:
Ext.regModel('GendersModel', { fields:[ {name:'GenderID'}, {name:'GenderDescription'}, {name:'GenderPicture'} ] }); Ext.regModel('CompositionModel', { fields:[ {name:'CompositionID'}, {name:'CompositionDescription'} ] }); var GendersStore = new Ext.data.Store({ id: 'GendersStore', model: 'GendersModel', listeners: { beforeload: function(myStore, options) { }, load: function(myStore, records, options) { console.log('Genders' + myStore.getCount()); }, exception: function(misc) { } } }); var CompositionStore = new Ext.data.Store({ id: 'CompositionStore', model: 'CompositionModel', listeners: { beforeload: function(myStore, options) { }, load: function(myStore, records, options) { console.log('Composition' + myStore.getCount()); }, exception: function(misc) { } } }); Ext.Ajax.request({ url:myURL, method: 'GET', jsonData: { "Alert": {} }, headers: { 'Content-Type': 'application/json;charset=utf-8' }, success: function (response, opts) { var json = Ext.decode(response.responseText); console.log(json); //the returned json is valid. //here i want to save the json to Genders store and Composition store. //i have tried this, but it is not working: GendersStore.loadData(json); CompositionStore.loadData(json); }, failure: function (response, opts) { alert('Error calling server.'); } });
This is my JSON data:
Please i need help with this issue.
Thank you in advance.
23 Feb 2012 5:28 PM #2
I suppose that you can set your store a local storage (make sure the proxy of the model and the store are set to local storage).
After you get the response text, you need to decode the Ajax response and after that you create an instance of the model store and parse the data from the AJAX response and insert it to the model. After that you can add the model manually to the store using store.add().
Hope this help .
26 Feb 2012 11:18 PM #3
Thank you hihiapolla for your help, but i managed to make it work.
If anyone is intrested how i did it, i have no problem sharing it.
16 Apr 2012 3:44 PM #4
how do you doing to solved this issue?
can you send me some example please
thank for all
30 Apr 2012 2:34 PM #5
I'm interested too, please, could you sharing your code?
30 Apr 2012 3:49 PM #6
2 May 2012 8:03 AM #7
Thanks but this method is in sencha touch 2.0.
I'm using 1.0 and I have a problem when I try to set data in my store, I get this error message:
Uncaught TypeError: Object [object Object] has no method 'setData'
What can I do?


text:
I recently set up a second monitor for my home computer. Through the use of nvidia-settings I was able to set up my two monitors. My second monitor is set up as a seperate X screen to the right of the main one, and Xinerama is enabled. The effect that this has is it treats both monitors as one huge monitor, and as such the background and toolbar are stretched across both screens
I have been unable to find a way to keep my toolbar on one screen and have two seperate backgrounds on each monitor. Does anybody know of such a method?


text:
The Law of the Mind vs. the Law of Sin
Though we have changed hearts if we truly believe in Christ, that does not mean we are not thoroughly affected by sin. Our minds, emotions, bodies, and everything else are tainted by our flesh—the fallenness that God does not eliminate ...Read More
Evil Lurking Close at Hand
In his commentary Romans, Dr. R.C. Sproul writes, "[Paul] identifies himself not with the one who wills to do evil but with the one who wants to do right." The desire to love and please God, granted to us ...Read More
Our True Identity
John Calvin comments, "The Holy Spirit so prepares the godly that they are ready and strive to render obedience to God; but as their ability is not equal to what they wish, Paul says, that he found not what he ...Read More
The Believer's Struggle
John Murray, in his commentary on Romans, writes that "the more sanctified [a Christian] becomes the more painful to him must be the presence in himself of that which contradicts the perfect standard of holiness." Though the power of sin ...Read More
Free from the Law
God never intended for sinners to justify themselves by keeping the law, but the law does remind us that God demands perfect obedience for justification. Because we cannot obey God perfectly, unconverted people seize the law and lower God's standards ...Read More
Slaves to Righteousness
In his commentary Romans, Dr. R.C. Sproul discusses the relationship between justification and sanctification: "We are not going to make it on the basis of our righteousness, but only on the basis of faith. If the faith is genuine, ...Read More
Living Under Grace
We will discuss what it means to not be under law in the days ahead. Today, Dr. R.C. Sproul's commentary Romans will help us understand Paul's point: "We are no longer under the law in the sense of being ...Read More
Fighting the Flesh
Only as we understand the enemy of the flesh can we begin to please God. The Lord is not content for mere external holiness. He wants our hearts, and he measures holiness based on what lies within (1 Sam. 16:7). ...Read More
Warring Against the World
First Peter 3:15 gives us the prescription for dealing with the world. We are not to be recluses but are to be ready to give an answer for the hope that is within us. That presupposes that we are in ...Read More
Instruments of Righteousness
We work with God to make sanctification an experiential reality in our lives, but we must not lose sight of the fundamental truth that the Lord makes us holy. Because He has made us holy, we are to become holy ...Read More


text:
As the year end approaches, the metropolitan capital Jakarta will witness the performance of one of the most legendary names in all time history of rock music as Guns N Roses are set to stage their first time ever show in Indonesia on 15th December 2012, to be held at the D Field, Bung Karno Sport Complex, Senayan, Jakarta.
The band made a surprise announcement through its official Twitter account @gunsnroses - on 16th October 2012: "Do you know where we'll be on 12/15/12? We'll be in Jakarta BABY!" which was later followed by a release in their official website web.gunsnroses.com prompting fans frenzy on social media and internet.
Guns N Roses diehard fans and rock enthusiasts in general will surely be indulged with the distinct tunes of 90's rock with some of the band's legendary hits such as 'Sweet Child o' Mine', 'Welcome to the Jungle', 'Paradise City', 'Patience', 'Don't Cry', 'November Rain', 'You Could Be Mine', 'Knockin on Heaven's Door', 'November Rain', 'Estranged', as well as hits from their latest album that marked the revival of the band 'Chinese Democracy'.
Having its heyday in the 90's, Guns N' Roses is now only left with the charismatic high pitched lead vocalist W.Axl.Rose from the original line up. For the performance in Jakarta, Axl will be joined by the latest formation of the Band which includes DJ Ashba (guitar), Dizzy Reed (keyboards), Tommy Stinson (bass), Richard Fortus (guitar), Ron "Bumblefoot" Thal (guitar), Chris Pitman (keyboards) and Frank Ferrer (drums).
Earlier in 2010, one of the most celebrated guitarists in the world and former member of Guns N Roses, Saul Hudson or popularly known as Slash already staged two successful performances in Jakarta and Surabaya.
Indika Productions, promoters of the show stated that Indonesia is the only country in South East Asia where they will perform for their tour this time. For this historical show, promoters have set ticket prices that range from IDR700, 000 for festival B, IDR1, 100,000 for festival A, and 2,000,000 for VIP. Tickets are already on sale since 17th October 2012.
More Information available at:
Photo credit: rajakarcis.com
Copyright © 2014 Ministry of Tourism, Republic of Indonesia. All Rights Reserved


text:
the fortune cookie chronicles
The last time you ate Chinese food, you probably weren't thinking about open source development. But according to Jennifer 8. Lee, author of "The Fortune Cookie Chronicles," the food on your plate arrived there in precisely that way. General Tso's chicken? Unrecognizable to its creator, let alone... Read more


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text: spoiler:In my opinion map modding is a waste of energy. You would be better off adding a completely new and custom map. Leave default maps the way they are. Come up with new interesting things to use and play instead of just rehashing the same old levels(bespin, deathstar, yavin temple) that are already good and fine the way they are. Floating lifts and fancy glowing boons don't improve or make the levels more interesting. Same with throwing random models all over the map. They just turn the level into a giant eyesore


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To the editor:
There are no lullabies to say, no words to speak, it's so quiet from day to night - only loss and unending tears and the last fear of the small survivors from a small school in Connecticut.
Life goes on another day, and perhaps another year and so on.
We get caught up in our everyday lives, but not the parents and families of these victims of gun violence. When do we hear these 20 beautiful children and their teachers as they were crying in vein to stop the killing?
We live in a free nation - our ancestors fought and many died for freedom. Was their fight to give disturbed and angry humans and criminals the freedom to end the lives of innocent children and adults?
Is the freedom to buy guns or any powerful weapon the price to take even one life, or 16 lives, or 26 lives? When does it end? How many more - I've lost count.
Freedom does not give anyone the enabling right to take even one person's life or the lives of children and their brave teachers.
To those who cry, "Guns are my Constitutional right" - what if just one of those children was your child or grandchild? Remember, a gun in the hands of a mentally disturbed person or a criminal - it could be.
They don't care - they have the gun.
Thelma J. Boyles


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Lesley students take science to the streets.
Active participation in the community is a strong part of the Lesley learning experience. Across the university, students are focusing their energies on projects related to the ever more critical needs of urban ecology, reaching out and reaching within Cambridge, Boston and surrounding communities to create more ecologically compatible worlds between citizens and the nature around them.
In a combination of science and civic engagement, Lesley students work with faculty to take learning into their own hands, initiating projects, doing research, engaging civic organizations, and reaching out to the community to work with them as 'citizen scientists' – as supporters, and benefactors, of scientific discovery.
Recent student projects have included tracking neighborhood sound levels, researching invasive plant species distribution, monitoring local wildlife, measuring green roof capacities and studying recycling patterns. As citizen scientists, students work with local individuals and organizations to contribute to the common good.
Additional projects have included developing QR codes for tree wells to help passersby identify plants; building a community garden on Lesley's campus, after which they advocated for the creation of a Science of Gardening course; producing and distributing educational brochures on invasive species and studying the distribution of birds known to be potential amplifiers of West Nile Virus.
Along with organizations such as the Urban Ecology Institute and the Friends of Alewife Reservation, Lesley students are working on solutions to the real world problems we are all facing.
For more information on Lesley's Science programs, please visit the links below:Bachelor of Arts in Environmental ScienceBachelor of Arts in Environmental StudiesEnvironmental Science MinorEarth Science Minor M.Ed. in Science in Education M.S. in Ecological Teaching and LearningAdvanced Professional Certificate in Science in Education
Academic Programs
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Get your application started today!


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SHERMAN, TX -- A local restaurant is joining forces with a non-profit youth organization for an upcoming event. For this Mom's Everyday Family Fun segment, we'll tell you how you and your family can get involved in this special luncheon.
Virginia Brooks found joy in being a big sister to Miguel last year. "I'd forgotten how much fun it is to have a friend that's eight years old so Miguel and I have done some wonderful things together, we've gone out to parks and movies," said Virginia. "I found out how it felt to be young again!"
For a whole year Virginia looked forward to their weekly visits as part of the Big Brothers Big Sisters program of Grayson County. The nonprofit's regional chapter has been placing caring adults with kids in one-on-one mentoring relationships since 1996.
Although this agency is a nonprofit, its volunteer youth mentoring program is supported by donors. That's why Big Brothers Big Sisters holds informational events like the "Big Picture Luncheon".
The next event will be held Thursday, September 6th at Texas Roadhouse in Sherman where you can enjoy a free meal, meet new people and gain a "big picture" understanding of how you can help.
Big Brothers and Big Sisters of Grayson Community Recruiter, C.J. Jenkins says Big Brother volunteers are especially in high demand.
"Traditionally it's the man that runs (or) leads the household," said C.J. "So, we need people to step up and help these young men become leaders in our community."
The encouragement kids get from their mentor, is designed to help kids see their potential and build their futures. The nonprofit cites that kids in the program are more likely to graduate and are less likely to begin using drugs or alcohol.
But for Virginia, the biggest gift is being a Big Sister. "It's the most rewarding thing I've ever done, seriously," she said. "He's become a really great friend."
The Big Picture Luncheon will be at the Texas Roadhouse in Sherman on Thursday, September 6th. Food service starts at 11:40 am, the program begins at noon and will end promptly at 1:00 pm. For more information, call 903-893-0900, email Regional Executive Director Emily Neeley at email@example.com, Community Recruiter C.J. Jenkins at email@example.com or online at http://www.bbbstx.org.
"The Big Picture Luncheon"
Texas Roadhouse
2773 Hwy75N
Sherman, TX
Thurs. 9/6/12
11:40am - 1:00pm
And remember, the meal is free. No coupons or fliers are needed. The nonprofit encourages you to just show up and enjoy yourself.
For videos like this and more visit


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I renamed a few files in one batch script. Is there a way to undo the changes without having to rename them back?
Does Linux provide some native way of
I renamed a few files in one batch script. Is there a way to undo the changes without having to rename them back?
Does Linux provide some native way of
Linux (like other unices) doesn't natively provide an undo feature. The philosophy is that if it's gone, it's gone. If it was important, it should have been backed up.
There is a fuse filesystem that automatically keeps copies of old versions: copyfs, available in all good distributions. Of course, that can use a lot of resources.
The best way to protect against such accidents is to use a version control system (cvs, bazaar, darcs, git, mercurial, subversion, ...). It takes a little time to learn, but it pays off awesomely in the medium and long term.
Unfortunately, no.
No there is no magical undo in any Unix. Unix assumes that you know what you are doing. For Undo support use a VCS (your text editor probably has it built in too).
Most filesystems do not have the capability of doing it transparently.
Time machine and system restore on mac and windows respectively are just backup/change control systems.
There is no undo in the command line. You can however, run commands as
It's also possible to add an alias for it to a startup script (e.g.
Edit: by the suggestions below, I've removed my advice to alias the default commands. Instead, it introduces new commands now).
The reason that Linux/Unix systems don't have an undelete stems from the way most filesystems store their information. File meta-information is all stored in the front of the disk with references to inodes on the rest of the disk. Typically, most filesystems allocate 10 blocks to a file in this meta-area. The first 7 refer to the first 7 inodes. The 8th and 9th go to lists of inodes (doubly linked blocks) and the 10th goes to a list of lists of lists (tripply linked blocks). This varies from file system to file system (ext4, jfs, xfs, etc.) but these lists of blocks can usually address file sizes of anywhere from 2GB to several TB.
But because all this information is stored in the front of the disk, when a file is erased, there is no way to reference inodes on disk to what meta-data they use to belong to. In contrast FAT32 and NTFS actually store some header information with the files themselves making it easier to identify what file a set of blocks use to belong to (so long as that space hasn't been reclaimed by newer files yet). In the Linux work, when you delete something, it's almost always the first thing to be immediately overwritten by new data for efficiency.
If you really want an undo feature, use source control. Subversion actually works very well on a single user machine. I use it to control all my personal files on my home system. It seems like overkill, until disaster, a rogue script or a command line typo hits.
One thing that I like to add to my .bashrc is a copy and remove function. Something like:
But you do have to get into the habit of typing cprm not rm.
Obviously you will need to keep on top of the deleted area if you have limited diskspace.
GitFS is a fuse-based file system, which automatically calculated
Webpage: https://www.presslabs.com/gitfs


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Pronounced: beks-AIR-oh-teen
Classification: Retinoid
About Bexarotene
Bexarotene belongs to a class of medications called retinoids. Retinoids are relatives of vitamin A and appear to interfere with genes that control cell growth. The exact way bexarotene works is unknown, but it is believed to inhibit the growth of tumor cells.
How to Take Bexarotene
Bexarotene comes in a capsule form. The actual dose is based on your body size. Bexarotene should be taken with food, preferably at the same time each day, with a glass of water or juice. Do not chew, open, or dissolve the capsules in liquid. If you miss a dose, take the next dose as soon as possible. If it is almost time for your next dose, skip the missed dose. Do not take two doses at once to make up for the missed dose.
The blood levels of this medication can be affected by certain foods and medications, so they should be avoided. These include: grapefruit, grapefruit juice, itraconazole, erythromycin, gemfibrozil, ketoconazole. Be sure to tell your healthcare provider about all medications and supplements you take.
Safety Considerations When Receiving Bexarotene:
Storage and Handling
Store your medication in the original, labeled container at room temperature and in a dry location (unless otherwise directed by your HCP or Pharmacist). Keep containers out of reach of children and pets. Do not expose the medication to humidity or light.
If a caregiver prepares your dose for you, they should consider wearing gloves or dispense the medication directly from their container into a small cup or directly into your hand. They should avoid touching the pills. They should always wash their hands before and after giving you the medication. Pregnant or nursing women should not prepare the dose for you. Ask your oncology team where to return any unused medication for disposal. Do not flush down the toilet or throw in the trash.
Where do I get this medication?
Bexarotene oral formulation is available through retail/mail order pharmacy. Your oncology team will work with your prescription drug plan to identify an in-network retail/mail order pharmacy for medication distribution.
Insurance Information
This medication may be covered under your prescription drug plan. Patient assistance may be available to qualifying individuals without prescription drug coverage. A co-pay assistance program which reduces the patient's co-pay responsibility for eligible, commercially (non-government sponsored) insured patients, may also be available. Your care team can help you find these resources, if they are available.
Possible Side Effects of Bexarotene
There are a number of things you can do to manage the side effects of bexarotene. Talk to your doctor or nurse about these recommendations. They can help you decide what will work best for you. These are some of the most common side effects:
Sun Sensitivity
This medication can make your skin more sensitive to the sun, which can result in severe sunburn or rash. Sun sensitivity can last even after chemotherapy is completed. Avoid the sun between 10-2pm, when it is strongest. Wear sunscreen (at least SPF 15) everyday; wear sunglasses, a hat and long sleeves/pants to protect your skin and seek out shade whenever possible.
Increased Triglycerides and Cholesterol
This medication can increase the blood levels of triglycerides and cholesterol. Your healthcare team will routinely monitor you blood levels and treat the elevated levels as needed.
Thyroid Problems
This medication can cause hypothyroidism (under active thyroid).Your doctor will perform blood tests to check the function of your thyroid and treat this side effect if it develops. Symptoms of thyroid problems include: tiredness, feeling hot or cold, change in your voice, weight gain or loss, hair loss and muscle cramps.
This medication can cause pancreatitis, or an inflammation of the pancreas. Symptoms of pancreatitis include nausea, vomiting, and abdominal or back pain. Notify your care team or go to the emergency room if you experience any of these symptoms while taking bexarotene.
Low White Blood Cell Count (Leukopenia or Neutropenia)
White blood cells (WBC) are important for fighting infection. While receiving treatment, your WBC count can drop, putting you at a higher risk of getting an infection. You should let your doctor or nurse know right away if you have a fever (temperature greater than 100.4), sore throat or cold, shortness of breath, cough, burning with urination, or a sore that doesn't heal.
Tips to preventing infection:
Reproductive Concerns
As mentioned above, exposure of an unborn child to this medication could cause birth defects, so you should not become pregnant or father a child while on this medication. Effective birth control is necessary 1 month before starting therapy, during treatment, and for at least 1 month after treatment. Even if your menstrual cycle stops or you believe you are not producing sperm, you could still be fertile and conceive. You should not breastfeed while taking this medication.
Other Possible Side Effects
Diabetics may find that their blood sugar levels are higher and those patients who require insulin may require higher doses to control their blood sugar.
This medication may increase the risk of developing cataracts. Report any changes in vision to your healthcare provider, including cloudy or blurry vision, difficulty seeing at night, sensitivity to light, seeing "halos" around lights, and/or yellowing of colors.
OncoLink is designed for educational purposes only and is not engaged in rendering medical advice or professional services. The information provided through OncoLink should not be used for diagnosing or treating a health problem or a disease. It is not a substitute for professional care. If you have or suspect you may have a health problem or have questions or concerns about the medication that you have been prescribed, you should consult your health care provider.
Information Provided By: www.oncolink.org | © 2016 Trustees of The University of Pennsylvania


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So while not actually a specific problem I'm struggling with, I was hoping for some of your insight! For a course, I'm currently reading Stillwell's Four Pillars of Geometry. While it does a nice job of motivating the theory, I find it a little sparse with regard to challenging/engaging problems. Any suggestions as to where I can turn to find a nice supplementary text on projective/hyperbolic geometry?
There are several relatively recent textbooks on projective geometry and a host of pre-1950 texts. The most well known of the more recent ones is the probably the one by Coexeter. A little known book I consider a gem is Pierre Samuel's book.It's almost impossible to find now, but well worth tracking down for it's algebraic flavor. And of course, the major general axiomatic geometry texts-like Greenberg's classic and the more recent book by Hartshorne- have chapters on projective geometry.
Hyperbolic geometry is a lot harder to find a book on. I know there's a pretty good chapter in Greenberg, but other then that,I can't think of one off the top of my head.
I taught a math undergrad course from Henle's book "Modern Geometries." I recall liking the book, and I think the problems were pretty good. However, it's been awhile, so I can't be more specific. In any event, he does cover both projective and hyperbolic geometry.
There is a book by Hartshorne on the Foundations of projective geometry. I'm not sure that's what you're looking for, having skimmed it a long time ago.
If you, or anybody else, needs the theoretical background behind projective geometry for Computer Vision, I found these two books to be great: (1) Multiple View Geometry in Computer Vision by Richard Hartley et al., and (2) An Invitation to 3-D Vision by Yi Ma et al.


text:
High Ball Stepper
Jack White
Last Played
Average rating
4 star rating.
Other songs on this album
Other songs by this artist
- Blunderbuss
- Blunderbuss
- Freedom At 21
- Hip Eponymous Poor
- Hypocritical Kiss
- I'm Shakin'
- Love Interruption
- Sixteen Saltines
- Take Me With You When You Go
- The Great Gatsby Soundtrack
- Love Is Blindness
- The Lost Notebooks of Hank Williams
- You Know That I Know
Please note that our catalog only lists songs that we've set up within our system; not every track from an album is displayed. You may request a song that's not in our catalog by using our request form. You may also suggest a song be added to our catalog by contacting The Current.
Album art and preview audio provided by iTunes, related artists provided by EchoNest.


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Fried Matcha Cheese BreadOur Fried Matcha Cheese Bread is easy and fun to make. You can even do any shape/size you like. When you bite into one, the beautiful light Matcha cream cheese filling greets you as a fresh and welcome surprise
[Makes 8]
Aiya Cooking Grade Matcha........... 1 tbsp
Cream Cheese.................................. 3.5 oz
Dried Fruit.......................................... 1 oz
Thinly Sliced Bread........................... 8 pcs
Oil (for frying)
Granulated Sugar
Tip: Slightly moistening the bread makes it easy to shape!
Note: While this recipe suggests two different ways of forming the bread, you can try any shape you like!
- Set the cream cheese out to soften. Chop up the dried fruit.
- Sift the Matcha into the softened cream cheese and mix.
- Mix the dried fruit into the Matcha and cream cheese.
- For maki sushi style preparation, place each piece of bread on some plastic wrap or, if you have it, a sushi mat. Spread some of the cream cheese mixture in the center of the bread and then tightly roll it.
- For cheese puff style preparation, spread a thin layer of the cream cheese mixture all over one side of each slice and then roll it into a ball, tucking the spread side to the inside.
- Heat the oil (350 degree oil will yield the best results) and carefully place the bread into it, frying until it turns golden brown.
- Roll in granulated sugar to coat while still hot.
The Matcha used in this recipe is available in:
Aiya Cooking Grade Matcha
Aiya Organic Cooking Grade Matcha
More Matcha recipes


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How are the following verbs which are related to learning different to each other?
- 勉強する
- 習う
- 学ぶ
How are the following verbs which are related to learning different to each other?
The original character is: 學
Meaning 2 hands writing characters and teaching a child
学ぶ is to imitate (or assimilate and repeat) what the teacher says. Study a subject from a teacher.
Most meaningful examples:
This character is composed of 羽 (wings) and 白 (clear/understand)
It shows how to learn by repeated practice like a small bird learning to fly.
Most meaningful examples:
勉 = make an effort 強 = powerful
It came to be used for "to study" but outside the class. Nobody teaches you, you "force" yourself to study something, do you homework, assimilate a lesson...etc.
Most meaningful examples:
Examples taken from EDICT and organized for this answer in the correct categories.
勉強する is 'study' and is usually applied to school/literature.
習う is 'learn' and is usually applied to things like learning instruments or skills.
学ぶ carries a more 'in depth' meaning to it, and is usually applied to things like a vocation or 'years of study in XYZ'.
勉強する is the most common and is fairly good at being used in place of the others.


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When working on risky conditions like on towers we ensure our safety first, life belt, safety shoes, helmets and reflector jacket/ overall are MUST.
We give you what you need when you need it with 100% guaranteed perfection. Our focus is to deliver what ur customer expects to receive,
Despite being instructed by site installation documents/ layout sketches we use logical decision on implementing our scopes.
We are always happy in what we do, we cherish the work of our hands and minds.
Our core business is ICT & Security Systems installation and Telecommunication services including GSM & Electrical equipments installation, Site Auditing and Site Surveys, Tower Construction and Rectification & Remote Management Systems installations.
We guarantee our clients maximum perfection and satisfaction, Sometimes we have to work day and night to meet our clients tight deadlines, best quality outputs and ensuring proper documentation for the projects we are doing. 100% Perfection & Satisfaction is our policy.
We are registered with ВContractors Registration Board (CRB) to undertake Telecomunication, ICT and Security System contracts. We are also registered with OSHA (Occupational Health and Safety Authority). Our technicians are highly qualified and experienced personnel in the field.
Client: Mer Telecom Tanzania ltd. This project was based on Mtwara and Ruvuma Regions on Helios Towers previously owned by Vodacom. Our scope provided our client with a comprehensive assessment and detailed information about their site's inventory, configuration, structures, quality and health and safety.


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Car Casualties Weigh on Region
Storm May Have Damaged as Many as 250,000 Vehicles; Parking Rules Return, Including for Wrecks
The immobilizing impact of Sandy has largely receded for millions of mass-transit riders across the region, leaving a miserable minority: motorists with ruined cars.
The surging waters that swamped Brooklyn's Coney Island left Flo Adler's 2011 Toyota Camry a soggy wreck. Since the storm also knocked out most local businesses, she has been stitching together a two-bus trek to another neighborhood to buy basic necessities like groceries.
"It is totally inconvenient not having a vehicle," said Ms. Adler, 68 years old, who described a recent three-hour trip to a friend's house for a hot shower.
New York City isn't exactly known for its car culture, but it still has a large number of drivers. Last year, there were close to two million registered vehicles in the city, according to the state Department of Motor Vehicles. In New Jersey and Connecticut, meanwhile, getting around by car is the norm.
All told, up to a quarter-million vehicles across the East Coast may have been damaged by Sandy, said the National Automobile Dealers Association. Many flooded cars still line streets in hard-hit areas nearly three weeks later.
"My whole block is filled with cars that need to be towed," said Doreen Santiago, a 54-year-old nanny in Staten Island. Among the casualties: her husband's Plymouth Grand Voyager, still sitting in the couple's driveway.
In the parts of New York City where alternate-side parking rules have returned, wrecked vehicles have been towed, though they aren't being ticketed, a New York Police Department spokeswoman said. Owners may retrieve the cars without penalty.
For car dealers, the storm is expected to bring a sales boost.
"We have heard from dealers in the area that there is a growing need for people to replace damaged cars," said David Hyatt, spokesman for the national dealers' trade group. "There has been an uptick in interest in new vehicles."
Atlantic Honda in Bay Shore, N.Y., has seen a 10% increase in car sales since the storm. The Long Island dealership, which is owned by New York Auto Giant, is offering 90-day deferred payments, said general manager Ricky Alessi.
Auto insurers pay for flood damage to vehicles under "other than collision" or "comprehensive" coverage, and some insurers have already started dispatching claims money. Age and condition of the vehicle can be factored into the payment size.
State Farm Mutual Automobile Insurance Co. said its policyholders had filed more than 16,300 claims for Sandy-related damage as of Thursday. Some customers visited "drive-through facilities" set up by the insurer in heavily damaged areas to provide quick inspections.
"There has been a steady stream of customers," said a spokeswoman for State Farm, which insures 1.94 million cars in New York, New Jersey and Connecticut.
United Services Automobile Association said it has received 7,000 Sandy-related auto-damage claims and has started cutting checks and depositing money electronically. Nationwide Mutual Insurance Co. has 3,100 auto claims so far, the company said.
Robert Hartwig, president of Insurance Information Institute, a trade group, pegged the total insurance payments for storm-damaged vehicles at hundreds of millions of dollars.
"I would expect December and January to be very good months for auto dealers and used-car lots," he said.
But not everyone will use the payouts to buy a new car. Rob Sellig, of Port Monmouth, N.J., plans to use the money to rebuild his 1991 Nissan, which has 90,000 miles on it.
"I've had that car since I was a senior in high school," said the 23-year-old videogame technician. "I've put too much blood and money in it and can't just get rid of it."
Those left without functioning cars in the meantime are learning to adapt.
Kim Lofgren, of Coney Island, lost her sports car to the floodwaters. "I was devastated," she said. "The Mustang was my baby."
In the immediate aftermath of the storm, when most mass-transit options remained suspended or hobbled, the 30-year-old writer and magician relied on her friends to get around.
"I'd try to get everything done in one trip so I didn't have to go back out," said Ms. Lofgren, who is considering renting a car.
Finding one won't be easy, with post-storm demand straining supply at car-rental companies across the region just as the busy Thanksgiving travel period gets under way.
Hertz Global Holdings Inc. HTZ -2.29 % 's would-be customers without existing reservations will find it "very difficult" to rent a car in New York and New Jersey, said spokesman Richard Broome.
Matt Darrah, executive vice president of Enterprise Holdings, said in a statement that there are "significant waiting lists" for rental cars in hard-hit areas.
The AAA New Jersey Automobile Club said rental companies are working to bring cars from other areas, and New York Gov. Andrew Cuomo announced Friday that up to 17,000 additional rental cars would be brought to the state by three companies.
The car crunch has transformed some drivers with working wheels into temporary chauffeurs. Stan Fox's undamaged 2005 Nissan Altima has become an unmetered taxi cab of sorts.
At least six of his friends lost their vehicles, Mr. Fox said, and some lost more than one car.
The 68-year-old Coney Island resident has shuttled them around since the storm, making trips to the doctor and the grocery store.
"Some of them are still in shock at what happened," Mr. Fox said. "Everyone is pitching in and doing what they can."
—Michael Howard Saul contributed to this article.
Write to Anjali Athavaley at email@example.com and Leslie Scism at email@example.com


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Home › Scene › Haute Wheels ›
Haute Wheels
We folks living along the California Riviera love our cars—especially those fast and fashionable, sporty little numbers. And when an automaker like Porsche says it wants to unveil a redesigned model such as the Cayman, well, that's a cause for celebration. And so it was. Haute wheel enthusiasts (200 of them) from throughout the region headed to the Power Porsche showroom on East Coast Highway for a look at the model's new, sleek, sophisticated and oh-so-sexy silhouette. And as they browsed the merchandise, they sipped stylish cocktails and nibbled on hors d'oeuvres, courtesy of Bayside Restaurant. It's just what you'd expect when a brand like Porsche throws a party. Photography by Ann Chatillon


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ANDERSON, Ind. - For the first time in school history, Franciscan University of Steubenville will send a male and a female runner to the Division III Cross Country Championships.
Bill Jones finished in first place, and Nichole Krajewski finished in 13th place at the Great Lakes Regional Championships, both qualifying for the national championships next Saturday in Terre Haute, Ind.
As one of the top runners in the nation all year, Jones's performed at an expected high level, while Krajewski, who just missed qualifying last year, became the first Lady Baron to ever qualify for nationals.
"We knew she would finish close, because she missed it by just eight seconds last year," head coach Dan Kuebler said. "She came out really strong and took the lead after about a half mile. Some of the other runners then pushed back and she ended in 13th place."
Jones, who has won most of his meets this season with a comfortable lead, was pushed to the very end, winning his race by a second.
The Baron senior and an All-American from Calvin College broke away from the pack and were neck and neck with 500 meters to go.
Jones, who has been working on adding an extra kick to his last half mile, took a slight lead and held off his opponent.
While the victory wasn't dominant, Kuebler said the close race will help Jones next weekend as he tries to win the Barons' first national championship.
"I think its great for him because he knows that when he goes to nationals he's not going to run away with anything," Kuebler said. "Its gonna be a dogfight next weekend. Its gonna come down to whoever has the most stuff in the last half mile and we saw that out of Bill today."
The day was also an emotional one for Kuebler, as it marked the final race for a number of his seniors; a class that has been paramount in helping to take the program from a club sport to top NCAA Division III program. Kuebler said that seniors Theresa Evans, and Jack Kaiser ran well in their final race.
"Just watching them run their last race for Franciscan was just really emotional because they've meant so much to this program," Kuebler said. "This group is really something special."


text: Elo founders pioneered the touchscreen over 40 years ago. Today, Elo Touch Solutions is a leading global supplier of commercial touchscreens. The Elo portfolio encompasses the broadest selection of OEM touchscreen components, touchmonitors, all-in-one touchcomputers, interactive digital signage displays and mobile tablets for the demanding requirements of diverse gaming, lottery, and casino applications. The Elo touch experience has consistently stood for quality, reliability and innovation with over 20 million installations worldwide. We know touch – it's our only business.


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This wonderful soft roving British yarn is a designer's dream.
Colourspun is a lovely wool and mohair blended yarn which is sublime to knit. Each shade is produced by blending two printed and two solid colours together and then twisted with a printed binder.
Rowan Fine Art is a blend of fibre and colour. Designed for socks, shawls and other accessories, it is made with merino wool, kid mohair, mulberry silk and polyamide to make it suitable and durable for all projects.
A luxury blend of merino wool, kid mohair, alpaca and mulberry silk and like the other yarns in the Fine Art family is hand painted with a blend of colours to achieve its unique colour effect.
The perfect blend of lambswool and kid mohair creates a lovely soft yarn which is worked into a beautiful colour palette.
Our ever popular Kidsilk Haze is a beautiful and versatile fine yarn made from a blend of super kid mohair and silk.
Kidsilk Stripe is a self striping version of Kid Silk Haze which is 70% super kid silk Mohair and 30% silk. The colour combinations when knitted as a scarf will compliment any outfit. One ball of 50g is enough to knit a scarf and can also be knitted to any Kid Silk Haze pattern.
Rowan Mohair Haze is a premium versatile yarn that suits many projects. It's wonderfully soft and fluffy feel is both warm and light to wear. The colour palette is sophisticated soft pastels mixed together with highlights of jewelled brights. Mohair Haze can also be used for all Rowan patterns using Angora Haze however for every 1 ball of Angora Haze you will need approximately 1.5 balls of Mohair Haze.


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I've got some checkboxes with text values of varying lengths (from say 5 characters up to about 60) - which is the preferred layout? Value to the left and checkbox to the right, or vice versa?
While Microsoft and Apple aren't explicit on this issue, Java Swing Look and Feel Guidelines explicitly state that the label/value should be to the right of the control for languages read left to right. The same applies to radio buttons.
The ancient OSF Motif Style also explicitly says that the label is to the right of check boxes and radio buttons (pg9-133). And, while we're doing archaeology, the IBM Common User Access standards states that the label is right of a check box, but they are silent on radio buttons.
Whatever the explicit standards, it's pretty clear designers are expected to put the label to the right of the control. The rationale is probably what you're intuiting. When you have a column of check boxes with labels of various lengths, this arrangement allows both the check boxes and the beginning of the labels to be aligned consistently without any big gaps between the labels and the controls, neatly side-stepping the label alignment issues that text boxes and dropdown lists have. In the dead tree world, labels are often to the right of check boxes and radio button equivalents (e.g., bubbles on optically scanned forms), so this doesn't throw users.
If we ignore the possibility of right to left reading order (used in some languages), I believe that the label should always be on the right-hand side of the checkbox.
In Windows, it is in fact impossible to put a label to the left of a checkbox, from a technical point of view. In any Windows software development environment a checkbox's label will be on the right hand side of the checkbox automatically. There is no way to change this. What some programmers will do tough is create a checkbox without a label at all, and then put a static label to the left of it as separate control. Besides being ugly it has a mayor drawback: a user can't click the label to edit the checkbox state.
So it should always be on the right hand side of the checkbox. However... I know that some people (and I don't agree with them) feel that there is an exception: when the checkbox is part of a list of other controls. See this example:
So there are people that feel this is right because the alignment looks nicer. I don't. I think the position of the checkbox is right, but the position of the label is not correct. Do you guys see this as an exception?
For picking one or more choices, label to the right. This allows for easy visual scanning and let's the user's mouse/finger flow in a straight line:
If the label were to the left, it'd be a bit of a mess:
Furthermore, you will often have a 'group' label and while that can certainly be placed on top, it's often on the left:
Note that regardless of the positioning, the labels should be clickable as well (use proper FOR attributes). The problem is that not everyone knows this and aims for the checkbox itself, so aligning them helps.
When there is only ONE checkbox, however--typically used for an explicit opt-in or opt-out processes, I think it's OK to put it afterwards to make it a slight bit of a task (as you really do want people to fully read the label):
My instant answer is the that checkbox should be on the left of the label, but before answering I wanted to validate the recommendations.
Sadly Microsoft's, Sun's and IBM's UI guidelines aren't explicit in this regard (they tend to talk about when to use checkboxes over radio button etc.) but all their examples use the control-then-label convention.
So I'd opt for that.
The basic assumption is that you want to use the most readable option.
One important aspect is scannability, how easy it is to get an overview without consciously considering each item in full. For this purpose it is relevant that checkboxes have a constant width. so if you align one side of the checkboxes vertically, the other side will also be aligned vertically. Text is variable width, so this can generally not be achieved without stretching the text (which can make it very hard to read). It is generally recommended to put the important words at the beginning of sentences, so for LTR text we should prioritize left alignment over right alignment.
Another issue is proximity, how close the relevant information is together. If we put the checkboxes to the right of the label and align them vertically, they will be further away from the labels than if we put them to the left. So the answer seems to be to put them on the left side.
On the other hand, you need to consider consistency within the form. Most form controls are not constant width, and putting them to the left of their labels can often make for an awkward flow (for example, putting the birthday input field to the left of the label), where the user has to go back and forth to scan the form. A compromise would be to use left-aligned controls only if they are all constant and equal width.
Another thing to consider is that a set of radio buttons is equivalent to the default HTML
Desktop GUI Toolkits like SWT encapsulate checkboxes as a Button-widget variant, where the text-property of the button becomes the label. It'll get rendered, at least on the systems I'm aware of, on the right of the checkbox. So unlike html, you don't even have to make a choice.
Id vote for "label comes after" in LTR languages, simple, people will scan down the choices and make checks by clicking on the beginning of the label (it should be supported), or if they are less computer-savvy, look for the checkbox to click, if there are like 5 checkboxes of different label lengths, imagine the trip their hands and eyes and brains have to make from the label to the equivalent checkbox... painful! so the checkbox must be the closest possible to the label to minimize this trip
It depends on the use of the check box.
Selection checkboxes (e.g. in a list of items) should be 'before' the text (so, to the left in a left-to-right language like English). This lets you left-align the items and have the checkboxes still be aligned without needless whitespace. It also puts the selection mechanism near the beginning of the label--people don't tend to read the entire label, but instead scan it, and that begins at the mid-left.
In a checklist, the check boxes should come before the text, no question. Users are looking to be taking action on the checkboxes, and are scanning as above.
Options checkboxes, in the context of other options, might be after the label. However, in general I try to stay away from option checkboxes, because they're rather uncommunicative. Newer controls like the iPhone's slider-box are more communicative, or you could use bistate buttons, drop-downs, or other methods for giving the user more insight than a simple "checked/not checked".
From programmer's point of view, box should come before the text, because it's easier to align. From user's point of view, text should come first, because we 1) read what this check box is about 2) decide whether to click on it or not, in this order. So the layout should reflect the user's course of actions.
So for a Windows or Apple software it seems to be clear to put checkbox at left. If it is at right, to respect Gelstat principes the labels have to be align at right to have check boxes aligned verticaly. ..
But for mobile device software checkbox at the right of labels seems better for accessibility. ..
Have à look on SMS manager of smartphone when you want to delete some messages....
I'd also vote for following the "control-then-label" model that someone referenced, but with the caveat that context should take precedence over convention.
For example: There's an online government assistance form that asks users to gather several documents before starting. The system only allows users to proceed to Step 1 of the form if they've checked-off each of the items on the list. In this instance the checkboxes form a checklist, the overwhelming majority of which put boxes on the left.
On the other hand, let's say we have some type of retail/sales application with an employee management section, and you for whatever reason you can select multiple users via checkbox, like so:
In this case, I think the checkboxes should sit on the right because the connotation is different (you're selecting items for further action, not for elimination from the list). Both iOS (nothing specific in the HIG, weirdly) and Android (http://developer.android.com/guide/topics/ui/controls/checkbox.html) float the checkboxes on the right. To me, this makes the most sense for this type of application because it gives some visual distinction to the checkboxes; floating them left in this instance would, in my opinion, be a little jarring alignment-wise.


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If "One of the design goals of Unity is to reduce the clutter of the desktop, another is to use space more efficiently." Then why not hide the multi-color launcher when your windows are maximized on a small laptop? So i can see it just when I'm going to use it.
The desktop looks very cool when applications are not maximized by the way :)


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Suppose $A\in R^{n\times n}$, where $R$ is a commutative ring. Let $p_i \in R$ be the coefficients of the characteristic polynomial of $A$: $\mathop{\mathrm{det}}(A-xI) = p_0 + p_1x + \dots + p_n x^n$.
I am looking for a proof that: $-\mathop{\mathrm{adj}}(A) = p_1 I + p_2 A + \dots + p_n A^{n-1}$.
In the case where $\mathop{\mathrm{det}}(A)$ is a unit, $A$ is invertible, and the proof follows from the Cayley-Hamilton theorem. But what about the case where $A$ is not invertible?
Suppose $A\in R^{n\times n}$, where $R$ is a commutative ring. Let $p_i \in R$ be the coefficients of the characteristic polynomial of $A$: $\mathop{\mathrm{det}}(A-xI) = p_0 + p_1x + \dots + p_n x^n$.
Here is a direct proof along the lines of the standard proof of the Cayley–Hamilton theorem. [This works universally, i.e. over the commutative ring $R=\mathbb{Z}[a_{ij}]$ generated by the entries of a generic matrix $A$.]
The following lemma combining Abel's summation and Bezout's polynomial remainder theorem is immediate.
Lemma Let $A(\lambda)$ and $B(\lambda)$ be matrix polynomials over a (noncommutative) ring $S.$ Then $A(\lambda)B(\lambda)-A(0)B(0)=\lambda q(\lambda)$ for a polynomial $q(\lambda)\in S[\lambda]$ that can be expressed as
$$q(\lambda)=A(\lambda)\frac{B(\lambda)-B(0)}{\lambda}+\frac{A(\lambda)-A(0)}{\lambda}B(0)=A(\lambda)b(\lambda)+a(\lambda)B(0) \qquad (*)$$
with $a(\lambda),b(\lambda)\in S[\lambda].$
$$A(\lambda)B(\lambda)=\det A(\lambda)=p_A(\lambda)=p_0+p_1\lambda+\ldots+p_n\lambda^n$$ is the characteristic polynomial of $A$ and $$A(0)B(0)=p_0 \text{ and } q(\lambda)=p_1+\ldots+p_n\lambda^{n-1}$$
Applying $(*),$ we get
$$q(\lambda)=(A-\lambda I)b(\lambda)-\operatorname{adj} A \qquad (**) $$
for some matrix polynomial $b(\lambda)$ commuting with $A.$ Specializing $\lambda$ to $A$ in $(**),$ we conclude that
$$q(A)=-\operatorname{adj} A\qquad \square$$
HINT $\;$ Work "generically", i.e. let the entries $\;\rm a_{i,j}$ of $\rm A\;$ be indeterminates and work in the matrix ring $\rm M = M_n(R)\;$ over $\;\rm R = {\mathbb Z}[a_{i,j}\:]. \;$ We wish to prove $\rm B = C$ from $\rm d\: B = d\: C$ for $\rm d = det\: A \in R, \;\; B,C \in M.$ But this is equivalent to $\rm d\: b_{i,j} = d\: c_{i,j}$ in the domain $\rm R = {\mathbb Z}[a_{i,j}\:]$ where $\;\rm d = det\: A \ne 0$, so $\rm d$ is cancelable, yielding $\;\rm b_{i,j} = c_{i,j}\;$ hence $\rm B = C$. This identity remains true over every commutative ring $\rm S$ since, by the universality of polynomial rings, there exists an eval homomorphism that evaluates $\;\rm a_{i,j}\;$ at any $\;\rm s_{i,j}\in S$.
Notice that the crucial insight is that $\;\rm b_{i,j}\:, \; c_{i,j}\:,\; d\;$ have polynomial form in $\;\rm a_{i,j}\:$, i.e. they are elts of the polynomial ring $\;\rm R = {\mathbb Z}[a_{i,j}\:] = {\mathbb Z}[a_{1,1},\cdots,a_{n,n}\:]$ which, being a domain, enjoys cancelation of elts $\ne 0$. Working generically allows us to cancel $\rm d$ and deduce the identity before any evaluation where $\rm d\mapsto 0.$
Such proofs by way of universal polynomial identities emphasize the power of the abstraction of a formal polynomial (vs. polynomial function). Alas, many algebra textbooks fail to explicitly emphasize this universal viewpoint. As a result, many students cannot easily resist the obvious topological temptations and instead derive hairier proofs employing density arguments (e.g see elswhere in this thread).
Analogously, the same generic method of proof works for many other polynomial identities, e.g.
$\rm\quad\; det(I-AB) = det(I-BA)\;\:$ by taking $\;\rm det\;$ of $\;\;\rm (I-AB)\;A = A\;(I-BA)\;$ then canceling $\;\rm det \:A$
$\rm\quad\quad det(adj \:A) = (det \:A)^{n-1}\quad$ by taking $\;\rm det\;$ of $\;\rm\quad A\;(adj\: A) = (det\: A) \;I\quad\;\;$ then canceling $\;\rm det \:A$
Now, for our pièce de résistance of topology, we derive the polynomial derivative purely formally.
For $\rm f(x) \in R[x]$ define $\rm D f(x) = f_0(x,x)$ where $\rm f_0(x,y) = \frac{f(x)-f(y)}{x-y}.$ Note that the existence and uniqueness of this derivative follows from the Factor Theorem, i.e. $\;\rm x-y \; | \; f(x)-f(y)\;$ in $\;\rm R[x,y],\;$ and, from the cancelation law $\;\rm (x-y) g = (x-y) h \implies g = h$ for $\rm g,h \in R[x,y].$ It's clear this agrees on polynomials with the analytic derivative definition since it is linear and it takes the same value on the basis monomials $\rm x^n$. Resisting limits again, we get the product rule rule for derivatives from the trivial difference product rule
$$ \rm f(x)g(x) - f(y)g(y)\; = \;(f(x)-f(y)) g(x) + f(y) (g(x)-g(y))$$
$\quad\quad\quad\quad\rm\quad\quad\quad \Longrightarrow \quad\quad\quad\quad\quad\; D(fg)\quad = \quad (Df) \; g \; + \; f \; (Dg) $
by canceling $\rm x-y$ in the first equation, then evaluating at $\rm y = x$, i.e. specialize the difference "quotient" from the product rule for differences. Here the formal cancelation of the factor $\;\rm x-y\;$ before evaluation at $\;\rm y = x\;$ is precisely analogous to the formal cancelation of $\;\rm det \:A\;$ in all of the examples given above.
I guess it is worth giving a fuller answer, and then Victor can tell me more precisely where I am missing some subtlety. As I said, the definition I know of the adjugate is that it is a matrix whose entries are polynomials in the entries $a_{ij}$ of $A$ and which satisfies $A \text{ adj}(A) = I \det A$ identically, e.g. over $\mathbb{Z}[a_{ij}]$. Assuming Cayley-Hamilton, we know that $p_0 I + p_1 A + ... + p_n A^n = 0$ identically and that $p_0 = \det A$, where $p_k \in \mathbb{Z}[a_{ij}]$ as well.
Specializing now to $a_{ij} \in \mathbb{C}$ and supposing that $A$ is invertible, we conclude that
$$A \text{ adj}(A) = - p_1 A - p_2 A^2 - ... - p_n A^n$$
$$\text{adj}(A) = - p_1 I - p_2 A - ... - p_n A^{n-1},$$
as you say.
Lemma: The invertible $n \times n$ matrices are dense in the $n \times n$ matrices with the operator norm topology.
Proof. Let $A$ be a non-invertible $n \times n$ matrix, hence $\det A = 0$. The polynomial $\det(A - xI)$ has leading term $(-1)^n x^n$, hence cannot be identically zero, so in any neighborhood of $A$ there exists $x$ such that $A - xI$ is invertible.
But everything in sight is continuous in the operator norm topology, so the conclusion follows identically over $\mathbb{C}$ and hence identically.
(I should mention that this is not even my preferred method of proving matrix identities. Whenever possible, I try to prove them combinatorially by interpreting $A$ as the adjacency matrix of some graph. For example - confession time! - this is how I think about Cayley-Hamilton. This is far from the cleanest or the shortest way to do things, but my combinatorial intuition is better than my algebraic intuition and I think it's good to have as many different proofs of the basics as possible.)
As an arithmetic geometer, I have no choice but to use topological methods hand in hand with algebraic methods. Very likely necessity has been the mother of aesthetics here, but I find proofs of linear algebra facts using genericity arguments to be beautiful and insightful.
Qiaochu has shown how to answer the OP's question using these methods [he uses the "analytic" -- i.e., usual -- topology on $\mathbb{C}^n$, but close enough] assuming the Cayley-Hamilton theorem. Here I want to show that one can also prove the Cayley-Hamilton theorem quickly by these methods.
Step 1: To prove C-H as a polynomial identity, it is enough to prove that it holds for all $n \times n$ matrices over $\mathbb{C}$.
Proof: Indeed, to say C-H holds as a polynomial identity means that it holds for the generic matrix $A = \{a_{ij}\}_{1 \leq i,j \leq n}$ whose entries are independent indeterminates over the ring $R = \mathbb{Z}[a_{ij}]$. But this ring embeds into $\mathbb{C}$ -- indeed into any field of characteristic zero and infinite absolute transcendence degree -- and two polynomials with coefficients in a domain $R$ are equal iff they are equal in some extension domain $S$.
Step 2: C-H is easy to prove for complex matrices $A$ with $n$ distinct eigenvalues $\lambda_1,\ldots,\lambda_n$.
Proof: The characteristic polynomial evaluated at $A$ is $P(A) = \prod_{i=1}^n(A-\lambda_i I_n)$. Let $e_1,\ldots,e_n$ be a basis of $\mathbb{C}^n$ such that each $e_i$ is an eigenvector for $A$ with eigenvalue $\lambda_i$. Then -- using the fact that the matrices $A - \lambda_i I_n$ all commute with each other -- we have that for all $e_i$,
$P(A)e_i = \left(\prod_{j \neq i} (A-\lambda_j I_n)\right) (A-\lambda_i I_n) e_i = 0.$
Since $P(A)$ kills each basis element, it is in fact identically zero.
Step 3: The set of complex matrices with $n$ distinct eigenvalues is a Zariski-open subset of $\mathbb{C}^n$: indeed this is the locus of nonvanishing of the discriminant of the characteristic polynomial. Since we can write down diagonal matrices with distinct entries, it is certainly nonempty. Therefore it is Zariski dense, and any polynomial identity which holds on a Zariski dense subset of $\mathbb{C}^{n^2}$ holds on all of $\mathbb{C}^{n^2}$.
This formula can be obtained during a proof of the Cayley-Hamilton theorem, as is indicated on its Wikipedia article. The essence of the argument is that Euclidean division by a monic polynomial (on the left, say), can be performed in the polynomial ring over any (unitary) ring, not necessarily commutative; this follows directly from consideration of what Euclidean division does, or by a simple inductive argument.
Since I care about polynomials being monic, I'l define the characteristic polynomial of a matrix $A$ to be $\chi_A=\det(I_nX-A)=\sum_{i=0}^nc_iX^i$ where $c_n=1$ (and $c_0=\det(-A)$), so the result to prove becomes $\mathrm{adj}(-A)=c_1I_n+c_2A+\cdots+c_{n-1}A^{n-2}+A^{n-1}=\sum_{i=1}^nc_iA^{i-1}$
Consider the noncommutative ring $M=\mathrm{Mat}_n(R)$, and using Euclidean division in $M[X]$ (in which $R[X]$ is embedded by mapping $r$ to $rI_n$) divide $\chi_A$ on the left by $X-A$. Since we know that $(X-A)\mathrm{adj}(X-A)=\det(X-A)=\chi_A$, uniqueness of quotient and remainder in Euclidean division implies they will have to be $\mathrm{adj}(X-A)$ and $0$, respectively. Writing the quotient $\mathrm{adj}(X-A)=\sum_{i=0}^{n-1}B_iX^i$, its coefficients $B_i\in M$ are determined in the division successively as $B_{n-1}=c_n=1$ and $B_{i-1}=c_i+AB_i$ for $i=n-1,\ldots,1$ (these are just the intermediate values while computing the evaluation of $\chi_A$ at$~X=A$ using the Horner scheme), which expands to $B_{i-1}=c_iA^0+c_{i+1}A^1+\cdots+c_nA^{n-i}$. In particular the constant coefficient of the quotient $\mathrm{adj}(X-A)$ equals $B_0=\sum_{i=1}^nc_iA^{i-1}$, but this is also $\mathrm{adj}(-A)$ (by substituting $X=0$).
To retrieve the Cayley-Hamilton theorem from the formula found, multiply on the left or right by $A$ and move the left hand side to the right.
EDIT OF AUG. 31, 2010. The proof of the Cayley-Hamilton Theorem I like best (among the ones I know) is on page 21 (proof of Proposition 2.4) of Introduction to Commutative Algebra by Atiyah and MacDonald. The argument can be phrased as follows.
Let $K$ be a commutative ring; let $n$ be a positive integer; let $A=(a_{ij})\in M_n(K)$ be an $n$ by $n$ matrix with entries in $K$; let $\chi$ be its characteristic polynomial; define $B=(b_{ij})\in M_n(K[A])$ by $b_{ij}:=\delta_{ij}\,A-a_{ij}$; let $(e_i)$ be the canonical basis of $K^n$; observe $$\sum_i\, \, b_{ij}\, e_i=0,\quad\det B=\chi(A);$$ and write $(c_{ij})$ for the adjugate of $B$. Applying (a trivial case of) Fubini's Theorem to the double sum $\sum_{i,j}\, c_{jk}\, b_{ij}\, e_i$, we get $\chi(A)=0$.
Thank you very much to darij grinberg! [I'm leaving the previous edits "for the record".] END OF EDIT OF AUG. 31, 2010.
EDIT OF DEC. 11, 2010. For a nice application of the Cayley-Hamilton Theorem, see this answer by Balazs Strenner.
Here is a proof of the Cayley-Hamilton Theorem.
Let $K$ be a commutative ring, let $n$ be a positive integer, let $X$ be an indeterminate, let $A\in M_n(K)$ be an $n$ by $n$ matrix with coefficients in $K$, and let $\chi:=\det(X-A)$ be the characteristic polynomial. Equip $K^n$ with the $K[X]$-module structure induced by $A$. We must check $\chi K^n=0$. Form the right $M_n(K[X])$-module $$H:=\mathrm{Hom}_{K[X]}(K[X]^n,K^n).$$ Let $e\in H$ be the evaluation at $A$ (note $K[X]^n=K^n[X]$). As $e$ is surjective, it suffices to show $e\chi=0$. As $X-A$ divides $\chi$ on the left, it suffices to show $e(X-A)=0$. But this is obvious.
EDIT OF AUG. 1, 2010. Here is a diagrammatic rewriting of the argument.
EDIT OF AUG. 30, 2010. Here is a coordinate version of the above argument. [Compare with the proof of Propositon 3 page 81 of Weil's Basic Number Theory, and with the proof of Propositon 2.4 page 21 of Introduction to Commutative Algebra by Atiyah and MacDonald].
Weil's formulation. Put $$B(X)=(b_{ij}(X)):=X-A\in M_n(K[X]),$$ and let $C(X)=(c_{ij}(X))$ be the adjugate of $B(X)$. We have $$\sum_j\ c_{jk}(X)\ b_{ij}(X)=\delta_{ik}\ \chi(X)\in K[X].$$ Replacing $X$ with $A$, evaluating on $e_i$ (the $i$-th vector of the canonical basis of $K^n$), and summing over $i$ gives $$\sum_j\ c_{jk}(A)\ \sum_i\ b_{ij}(A)\ e_i=\chi(A)\ e_k\in K^n.$$ But the second sum is 0 by definition of $b_{ij}(X)$.
Atiyah-MacDonald's formulation. Put $A=(a_{ij})$ and define $B=(b_{ij})\in M_n(K[A])$ by $b_{ij}:=\delta_{ij}A-a_{ij}$; observe $$\sum_i\, b_{ij}\, e_i=0,\quad\det B=\chi(A);$$ and write $(c_{ij})$ for the adjugate of $B$. Computing $\sum_{i,j}\,c_{jk}\,b_{ij}\,e_i$ in two ways we get $\chi(A)=0$.


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