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How to modify a global variable within a function in bash?

...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ? ...
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Creating the Singleton design pattern in PHP5

... /** * Singleton class * */ final class UserFactory { /** * Call this method to get singleton * * @return UserFactory */ public static function Instance() { static $inst = null; if ($inst === null) { $inst = new UserFactory(); ...
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How to determine the version of the C++ standard used by the compiler?

... By my knowledge there is no overall way to do this. If you look at the headers of cross platform/multiple compiler supporting libraries you'll always find a lot of defines that use compiler specific constructs to determine such things: /*Define Microsoft V...
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How can I implement a tree in Python?

... I came across this answer via Google. This library is really nice. I especially love the ability to use the mixin class to make an tree of any object! – Rÿck Nöthing Mar 8 '19 at 1:21 ...
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Count how many files in directory PHP

...n you include other directories within that directories and so on to count all files and exclude directories from the count? – The Bumpaster Jul 2 '16 at 13:40 1 ...
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Differences and relationship between glActiveTexture and glBindTexture

...ve "texture unit". Each texture unit can have multiple texture targets (usually GL_TEXTURE_1D, 2D, 3D or CUBE_MAP). 4 Answe...
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correct way to use super (argument passing)

... Shouldn't Base call super(Base, self).__init__()? – cha0site Jan 23 '12 at 14:47 4 ...
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How to include() all PHP files from a directory?

...t because this question was about including everything in a directory - usually this would be in different directories: eg DataClass defined in BE directory and BL.class.php defined in BL directory. – Carmageddon May 13 '13 at 15:52 ...
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How to serve static files in Flask

...ample below, I have moved my templates and static files into a sub-folder called web. app = Flask(__name__, static_url_path='', static_folder='web/static', template_folder='web/templates') static_url_path='' removes any preceding path from the URL (i.e. the d...
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How do I execute a string containing Python code in Python?

...;>> x 4 However, the first step should be to ask yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, ...