So I was building a farm house and as I built it, I was in creative mode. After it was built, I decided that I wanted to be in survival mode and just mess around and possibly build my farm house even bigger. Welll..... I can not get out of this weird mode. I do the correct /gamemode and I see my hearts and food bar show up but I'm not able to break blocks as if I'm in survival, they just completely disappear after i break them! Like if I was in creative mode, you know how you break a block and poof its gone, well its like that. I see the little block after i break it but its only for 1 sec. I cant fly or anything when I'm like this just to be clear, I also kill everything with one hit and get no drops and only one experience rolls my way.   I've tried restarting everything and also using a different version than my original 1.8.9 minecraft. Its also on my pc... And another thing, everything works fine in my other saved worlds, Just this particular one, that is messed up.
This question is regarding the minecraft Beta 1.8 prerelease -- I have a beautiful house in single player survival which I'd like to record while flying.  I want to be able to change the game mode of my survival map to creative to be able to fly through it without installing a mod. I know it is possible if you run the map on a multiplayer server via the command /gamemode &lt;user&gt; 0|1 but I want to achieve this in single player :)  I think this would be possible through editing your level.dat file as I think that's where the game mode for the map is stored.
Does the faction of your armor/clothes affect character interactions in Skryim? Check for internet connection with Swift Dynamically access object property using variable Can we define tension in a string as the reactive force produced in a string being pulled at both ends? In my textbook, the definition of tension was given that  is the reactive force which exists when string is being stretched at its both end. After it there was a case given that to calculate acceleration and tension produced in string while it's attached with different masses at both its ends and passed over a frictionless pulley. First body is being hung and second is placed over horizontal frictionless surface with relatively smaller mass. It is given in my book that there are three forces acting on the body placed on horizontal smooth surface viz., Weight of body, the reaction force to weight and tension in string pulling body towards pulley's wheel. How can there be tension in string according to the definition given my book however there is no acting force (pulling force) on the body that pulls it away from wheel.  There are different definitions for tension. The one in our book is creating problem however second one, that is, " tension describes the pulling force exerted by each end of a string, cable, chain, or similar one-dimensional continuous object " is al right.  Since acceleration is lowered due to Tension then acceleration produced in the body must be given by, $a=\frac{Net-Force}{m}$ $=&gt;$ $a=\frac{m_1g-T}{m_1}$ since $W_1$ $&gt;$ $T$.  If tension in string is the reactive force to the weights pulling the string apart then according to Sir Isaac Newton, $W_1=W_2=T$. Sync +- 70 000 records from CSV into drupal I have a CSV file with approx. 70.000 records that I want to import into Drupal 7. Once this is done the client will provide a new CSV file on a daily base that has to sync the updated rows to Drupal.   I wrote a import with  and the  module, but in both cases it takes like forever to import the 70.000 rows. Is there any other solution to import the data faster in Drupal 7? ALTER TABLE [dbo].[REMINDER_EMAIL]  WITH CHECK ADD  CONSTRAINT    [FK__REMINDER_EMAIL__FACILITY_ID] FOREIGN KEY ( [FACILITY_ID] )   REFERENCES [dbo].[FACILITY] ( [FACILITY_ID] )  ALTER TABLE [dbo].[REMINDER_EMAIL] CHECK CONSTRAINT [FK__REMINDER_EMAIL__FACILITY_ID] Consider a database table holding names, with three rows:  Peter Paul Mary   Is there an easy way to turn this into a single string of Peter, Paul, Mary? Scanner is skipping nextLine() after using next() or nextFoo()? How to select a Master's thesis topic if your advisor won't suggest one? If a master's degree candidate needs to select a thesis topic, but their advisor is unwilling to offer suggestions on the matter, how should one go about selecting a thesis?   How might one select an area to study? How can one evaluate if if is a suitable topic? Does the thesis need to focus on an area which is relatively unexplored by prior research? mariadb Unknown system variable 'server_uuid' Im trying to setup replication between mariadb(10.1.31-MariaDB - MASTER) and mysql(5.7.12-log - SLAVE). After executed the start slave, I got the below error.     Fatal error: The slave I/O thread stops because a fatal error is   encountered when it tries to get the value of SERVER_UUID variable   from master.   Then I tried to get the value of master_uuid.  MariaDB [(none)]&gt; show variables like '%server_uuid%'; Empty set (0.00 sec)   Then tried to setup this in mysql prompt.  MariaDB [(none)]&gt; set global  server_uuid = 11123c25-cac0-3523-8089-4c54d9b46f33; ERROR 1193 (HY000): Unknown system variable 'server_uuid'   And also I tried to setup auto.cnf in data directory.  [auto] server_uuid = 11123c25-cac0-3523-8089-4c54d9b46f33  chmod 644 auto.cnf   But still im getting the fatal error is encountered when it tries to get the value of SERVER_UUID variable from master. I've previously used the default Email app on my CyanogenMod 7 EVO because I had an Exchange account at work. However, I switched jobs recently and my new place just uses GMail corporate accounts (which I enjoy). Since I don't have the Exchange account anymore, I'd like to move over to the GMail app because I prefer the UI and whatnot, but I can't for the life of me find any kind of "Select All" functionality in it.  The Email app allows me to do this from the options menu (Menu-&gt;Select All selects everything in the current folder). In GMail I noticed that if I select one or more items, then "Deselect All" becomes available in the options menu, but not "Select All". I've also tried various forms of long-pressing on messages, accounts, and folders to no avail.  Is there any way to do this in the GMail app, or am I just stuck without it? I searched the issue tracker and didn't find anything relevant, which surprised me a bit, to be honest. Obviously I can do this from a computer if I need to empty a folder/label, but I'd kind of like to retain the functionality on my phone, too. Am I missing some non-obvious (or perhaps even obvious) menu item somewhere? Can every even integer be expressed as the difference of two primes? How do I check if a string is a number (float)? What is the best possible way to check if a string can be represented as a number in Python?   The function I currently have right now is:  def is_number(s):     try:         float(s)         return True     except ValueError:         return False   Which, not only is ugly and slow, seems clunky. However I haven't found a better method because calling float in the main function is even worse. The Chinese government has a really specific list of requirements for visa photos:    I had an old unused photo from last time I applied for a visa or passport, and compared it to the requirements (decided not to use it because it was damaged). It seemed to match most of the requirements, except that it seems that they want a photo which isn't square: The required width is less than the required height.  Assuming most drugstores are still providing square passport photos, the question becomes: Should I cut the photo to match the specified width?   What adds to the confusion is if you look at the  the box for the photo is nearly square, not the oblong shape in the requirements. And I have seen other advice that you need to make sure it fully fits the box.  Any advice about what to do here? When are "if" and "whether" equivalent? Shell with better editing capabilities Shells (at least what I know) have really bad command editing capabilities.  For example:    I can't point the cursor to any point of the command. I can't select and backspace/delete/replace text in the command.   Currently these are so distracting, I use gedit to edit commands before pasting them to the terminal.  Is there any solution that's good for these? Remove association with blank file extension? "Whether" Vs. "If" Could someone please help me with these sentences? I need to know  Which one doesn’t sound natural? Which one is formal and which one is not?   A - I don’t know whether this word fits in the sentence. B - I don’t know if this word fits in the sentence.   C - I don’t know whether or not this word fits in the sentence. D - I don’t know if or not this word fits in the sentence.   E - I don’t know whether this word fits in the sentence or not. F - I don’t know if this word fits in the sentence or not.  For me only D doesn't work and sounds not idiomatic. Meanwhile for me all of these sentences can be used in both written and spoken languages. Do you confirm me? Current measurement maximum time On my multimeter I have two current measurement connection. One for the mA and one for the A.  On the ampere one there's a time limitation but not on the mA one. Also they mention in the manual a kind of "cooldown time" after the measurement for the A one. So, basicaly, probing with this input can really slow down my project. (max 15 sec every 5 minutes)  My question is, I have to switch to that A one for a 600-700mA current (mA input is 500mA), as it's not a "big" current, can I bypass this limitation ? Is it design for higher current only or any measurement done on that input ? It's a middle-end multimeter but even the online datasheet is not complete about what. (Was excepting a kind of measured current/cooldown time graph) Determine number of real roots of $f(x)=x^{5}+x^{3}-2x+1$.   I used Descartes's rule of sign to determine the number of positive and negative roots; there is only 1 negative (hence minimum 1 real root) and two positive roots. These 2 positive roots can be anything- a complex pair, or two real roots- but what about the other 2 roots? Is there any flaw in my understanding of rule of signs? How can I find the exact number of real roots?  Thanks in advance.