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What reason is there to use null instead of undefined in JavaScript?

...t said, there is one major difference - variables that aren't initialized (including function parameters where no argument was passed, among other things) are always undefined. Which is why in my code I never use null unless something I don't control returns null (regex matching for example). The ...
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How to display count of notifications in app launcher icon [duplicate]

... int badgeCount = 1; ShortcutBadger.applyCount(context, badgeCount); It includes a demo application that allows you to test its behavior. share | improve this answer | fol...
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How to get the source directory of a Bash script from within the script itself?

...f the user has smartly overridden cd to redirect output to stderr instead (including escape sequences, such as when calling update_terminal_cwd >&2 on Mac). Adding >/dev/null 2>&1 at the end of your cd command will take care of both possibilities. To understand how it works, try run...
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How to iterate over arguments in a Bash script

...ted that (as per bash man page) the first positional parameter ($0) is not included inside $@ or "$@". This is in general what you want when executing a script file but this may surprise you when executing bash -c 'echo "$@"' a b only shows b. – Gabriel Devillers ...
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How do I terminate a thread in C++11?

...ting system. Process incorporates and isolates execution environment state including local memory of the process and data inside it and all system resources like files, sockets, synchronization objects. Isolation is a critically important characteristic of the process, because it limits the faults p...
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Are the days of passing const std::string & as a parameter over?

...std::string & as a parameter over? No. Many people take this advice (including Dave Abrahams) beyond the domain it applies to, and simplify it to apply to all std::string parameters -- Always passing std::string by value is not a "best practice" for any and all arbitrary parameters and applica...
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Understanding the difference between Object.create() and new SomeFunction()

...hat browsers don't provide an easy way to visualize the network of objects including functions and prototypes). P.S. I found this link helpful : davidwalsh.name/javascript-objects-deconstruction – Qwertie Jul 2 '16 at 4:27 ...
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Eclipse IDE for Java - Full Dark Theme

...k Theme, Top Eclipse Luna Feature #5", Eclipse 4.4 (Luna) has a dark theme included in it (see informatik01's comment): When Eclipse 3.0 shipped in 2004 it brought a new look to the workbench. Now, 10 years later, an entirely new Dark Theme is launching. The theme extends to more than jus...
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Downloading jQuery UI CSS from Google's CDN

... The Google AJAX Libraries API, which includes jQuery UI (currently v1.10.3), also includes popular themes as per the jQuery UI blog: Google Ajax Libraries API (CDN) Uncompressed: http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.js Compressed: ht...
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How to convert floats to human-readable fractions?

...on terms, ** we just keep the last partial product of these matrices. */ #include <stdio.h> main(ac, av) int ac; char ** av; { double atof(); int atoi(); void exit(); long m[2][2]; double x, startx; long maxden; long ai; /* read command line arguments */ ...