For some background, I'm on Windows 10 however with the files I'm going to talk about I've used them in shared folders with Ubuntu VMs before.  In a folder on my machine, there is a file named '...' I really don't know where this file came from. It was inside a directory which contained one of my programming projects, in which I was using git. However, I cannot delete this file in any means I've tried so far. When attempting a simple right-click + delete, I get the message: "Error 0x80070091 The directory is not empty."   When I attempt to delete from powershell using del or rm, I get the message: "When attempting to del : An object at the specified path C:\Users\mdmil\Concurrency\... does not exist."  I cannot rename the file by any means. When I try to rename from powershell, I get the same aforementioned error. When I try to rename from file explorer, I get a "this file is open in another program" error.  I even got desparate enough to try to share the folder with a Linux VM, and attempt to delete the file via the inode number to no avail.  When I attempt to open the file in notepad++, no file opens. I presume it is because it is trying to interpret it as a directory due to the ... naming.  I'm currently at a loss as to how to fix this. Any help would be appreciated!
I have a folder on my desktop which is named ".." (which itself contains subfolders with an empty name). The folder can't be deleted the usual ways, even not when using the CLI. Does anyone know how I can remove this folder on Windows Vista 64-bit?  Renaming does not work, either (obviously).  This is what "dir /x" echoes:  09.10.2009  15:04    &lt;DIR&gt;                       . 09.10.2009  15:04    &lt;DIR&gt;                       .. 08.03.2007  11:18    &lt;DIR&gt;                       cgi-bin                0 Datei(en),              0 Bytes                3 Verzeichnis(se), 45.866.037.248 Bytes frei
Programming pattern to generate VGA signal with micro-controller? I want to generate VGA signal with micro-controller (like TI Tiva ARM which runs at 90/120Mhz speed).  I'm not sure how to make accurate timings with micro-controller. Which programming pattern I need to use?  Do I need any inline assembler code? How to wisely use interrupts?  Would be great if anybody show some pseudo code how to generate VGA signal.  I successfully generated VGA signal with FPGA. But I just can't figure out how to do it with MCU. How to create a custom UI? I was watching this  on making a custom UI tab using Python, and in the line from bpy.types import Menu, Panel, UIList, I see the names of objects that look like they can all be used to make different UI elements. Does bpy.types contain all the objects that people use when they want to make custom UI elements? Creating all possible line segments between all points using QGIS sample make file for creating more than one exe files with different directory In the sentence      It's one of the best films that has/have ever been made   What should the verb agreement be? The pronunciation of words which begins 'con' and 'com' How do I construct the $SU(2)$ representation of the Lorentz Group using $SU(2)\times SU(2)\sim SO(3,1)$ ? Zero visitors? What happened to site analytics about a week ago? This is the views section of the site analytics visible to 25k users on one of my sites:    That's, uh, not correct.  Our site has had its usual activity level during this time.  I checked a couple other sites, and the pattern is consistent.  This looks like a problem in the analytics data that's coming in; did Google change their API?  Update: Same site a week later; note that in addition to the brief spike of accuracy, page views have dropped to (near-)zero for the whole period, unlike the earlier report.  (I know this question has been closed as a dupe, but I thought having the two screen shots together might help somebody.) Why are duplicates not being merged? I see more and more exact duplicates on SO. Instead of being merged they are being simply closed. I think this is very big disservice to SO. Why don't moderators merge duplicates? Why don't owners of the site do anything about this?  EDIT  It's disservice because this way we have more and more junk. Duplicates are duplicates and should be merged so that information in in one place.     If the duplicate has no answers then there is no benefit to merging.   Of course there is. You don't need to waste your time with dupes.     It also means that the search routes to the main question are   diminished which makes the posting of new duplicates more likely   There's easy solution for this which I gave in  back in march.     If both questions have answers that have been accepted, which one   should be unaccpeted?   There are plenty of solutions. You accept most voted accepted answer or the first accepted answer or both (I think this is be the best). Yes, there will be possibility of many accepted answers to one question. So what?     When a question is closed as a duplicate, there is a link to the   duplicate question. What more do you want?   I don't want yet another link. I want to have all answers to some problem in one place. Is this that hard? Isn't this natural expectaion?     Removal of the question means that the text in it is no longer searchable - that's a disservice.   See my answer above to Scrooge's comment. Trim string in JavaScript? Possible Duplicate:          The square root of a number squared is equal to the absolute value of that number. Why is $\sqrt{x^2} = |x|$? Why not just $x$? Please give me a reason and also help me prove it. Do I have to worry about copyright issues for code posted on Stack Overflow? I was wondering about the copyright of code snippets from answers. Let's say you ask a question and the solution consists of ten lines of code, which are given in an answer. Are there any restrictions about the use of that code?   It seems that the content of this page is under the . So does one have to attribute the author if code is used in an open source project? Can it be legally used in closed source projects at all?  I guess ten lines of code are not really problematic, but is there a critical number of lines? I have put together a map using the British OS Strategi data set which is pretty densely detailed. It is surveyed at 1:250,000 and so contains roads down to track level, rivers, villages, railway lines - you name it. There's a lot of data.  When I try and export an image version of the map (at about 1m x 1m), I always get an 'Exception: bad allocation' error. This happens when I try to export as a raster image or PDF. I have tried printing to a PDF generator (CutePDF) but the same thing happens. The print spooler shows the file size at 1.6Gb.  I am running QGIS on a dual core 2ghz Windows 8 system with 4Gb of RAM. Is it just a case of the file being too big? Is there anything I can do? Or is there an alternative, free GIS package that would do a similar job? A comparison between Grade, Mark, Score and Point Let's suppose a teacher wants to punish a student and wants to decrease his / her achieved points on a test paper; he would say something to the student; I would like to know which one of the following self-made examples may work here:        I have to take two marks of you.   I have to take two grades of you.   I have to take two scores of you.   I have to take two points of you.      For me all the first three mean the same and though the last one is not the same, but works here either. I need to get your feedback. Is it possible to make LaTeX mark overfull boxes in the output? How to solve and see resolution of $13^{53} \pmod 7$ using Fermat little Theorem? How do I tell Maven to use the latest version of a dependency? In Maven, dependencies are usually set up like this:  &lt;dependency&gt;   &lt;groupId&gt;wonderful-inc&lt;/groupId&gt;   &lt;artifactId&gt;dream-library&lt;/artifactId&gt;   &lt;version&gt;1.2.3&lt;/version&gt; &lt;/dependency&gt;   Now, if you are working with libraries that have frequent releases, constantly updating the &lt;version&gt; tag can be somewhat annoying. Is there any way to tell Maven to always use the latest available version (from the repository)? I'd like to create a Categorized style in QGIS, classify with it data in a shapefile and then save the shapefile with the new categorized style. Is it possible? How to check if a 2D point is in a polygon? Does a fighter's Action Surge trigger Extra Attack? Context  A player in my game will play a fighter with a greatsword. At 5th level he has Extra Attack and the option to use Action Surge. PHB p.72 states:     Action Surge. Starting at 2nd level, you can push yourself beyond your normal limits for a moment. On your turn, you can take one   additional action on top of your regular action and a possible bonus   action.      Once you use this feature, you must finish a short or long rest before   you can use it again. Starting at 17th level, you can use it twice   before a rest, but only once on the same turn.        Extra Attack. Beginning at 5th level, you can attack twice, instead of once,   whenever you take the Attack action on your turn.       The number of attacks increases to three when you reach 11th level in   this class and to four when you reach 20th level in this class.   Confusion  The questions and answers that I find on here deal with multi-classing or Two Weapon fighting specifically, which don't really give a clear yes or no on my question.  The way I read these two features is that when a fighter takes an Attack action, he gets the Extra Attack. After using Action Surge he gets the opportunity to take another Attack action, and with that another Extra Attack. This results in four attacks with the greatsword in one turn, which sounds amazing but also rather powerful. Is this correct, or am I missing something?