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Rails server says port already used, how to kill that process?
... Just to clarify for novices: in the second line of code, you are supposed to replace the PID with the actual number that is shown in your console upon entering the first line of code (eg, 12345).
– CodeBiker
Aug 7 '13 at 18:48
...
Android Archive Library (aar) vs standard jar
...o aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
4 Answers
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What is the difference between exit() and abort()?
... Objects with automatic storage duration are all destroyed in a program whose function main() contains no automatic objects and executes the call to exit(). Control can be transferred directly to such a main() by throwing an exception that is caught in main().
struct exit_exception {
int c; ...
What unique features does Firebug have that are not built-in to Firefox?
... can replace firebug with the native tools someday, because I think its impossible for the firebug addon to get the high performance of the native tools.
– malisokan
Nov 15 '14 at 13:30
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Why is there no logical xor in JavaScript?
...ld never use it as a logical operator on boolean because implementation is OS dependant. I was using some kind of a ^= true to toggle booleans and it fails on some machines such as phones.
– Masadow
Jun 5 '15 at 15:14
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How to run a C# console application with the console hidden
...ot GUI) applications, you have to set CreateNoWindow to true:
System.Diagnostics.ProcessStartInfo start =
new System.Diagnostics.ProcessStartInfo();
start.FileName = dir + @"\Myprocesstostart.exe";
start.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden; //Hides GUI
start.CreateNoWin...
What are the most-used vim commands/keypresses?
...pecific line number
By marker:
mx set mark x; 'x go to mark x
'. go to position of last edit
' ' go back to last point before jump
Scrolling:
^F forward full screen; ^B backward full screen
^D down half screen; ^U up half screen
^E scroll one line up; ^Y scroll one line down
zz centre cursor l...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...ging, I found this discussion, which mentions a browser switch in opening post. Run your Chrome instance with:
chrome.exe --allow-file-access-from-files
This may be acceptable for development environments, but little else. You certainly don't want this on all the time. This still appears to be an...
What are the differences between various threading synchronization options in C#?
..., that can be used to activate and suspend threads.
Mutex, Semaphores are OS-level concepts. e.g with a named mutex you could synchronize across multiple (managed) exes (ensuring that only one instance of your application is running on the machine.)
Mutex:
Unlike monitors, however, a mutex ca...
Can I Replace Apache with Node.js?
I have a website running on CentOS using the usual suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm w...