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How to declare a global variable in JavaScript?

... <h1>Hello !</h1> </body> </html> init.js (Based on this answer) var MYLIBRARY = MYLIBRARY || (function(){ var _args = {}; // private return { init : function(Args) { _args = Args; // some other initialising }, ...
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Passing argument to alias in bash [duplicate]

... combination of an alias and a function like this, for instance: function __t2d { if [ "$1x" != 'x' ]; then date -d "@$1" ...
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Python: Is it bad form to raise exceptions within __init__?

Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type? ...
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TypeError: got multiple values for argument

...ng of the box to another function, relaying all extra arguments. def color_box(color, *args, **kwargs): painter.select_color(color) painter.draw_box(*args, **kwargs) Then the call color_box("blellow", color="green", height=20, width=30) will fail because two values are assigned to colo...
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PHP and Enumerations

...ever, other use cases may require more validation of constants and values. Based on the comments below about reflection, and a few other notes, here's an expanded example which may better serve a much wider range of cases: abstract class BasicEnum { private static $constCacheArray = NULL; ...
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How is “=default” different from “{}” for default constructor and destructor?

...me noexcept specification depending upon the noexcept specification of the bases and members. The only difference I'm detecting so far is that if Widget contains a base or member with an inaccessible or deleted destructor: struct A { private: ~A(); }; class Widget { A a_; public: #if 1 ...
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error LNK2019: 无法解析的外部符号_socket,该符号在函数 中被引用 - C/C+...

error LNK2019: 无法解析的外部符号_socket,该符号在函数 中被引用1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@4,该符号在函数 _main 中被引用1>NetClient.obj : error L...1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@...
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Redirecting from HTTP to HTTPS with PHP

... Try something like this (should work for Apache and IIS): if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === "off") { $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; header('HTTP/1.1 301 Moved Permanently'); header('Location: ' . $location); exit; }...
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How do I specify “close existing connections” in sql script

...marAndomar 210k4141 gold badges330330 silver badges364364 bronze badges 8 ...
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How to len(generator()) [duplicate]

...e advantages over functions that return lists. However, you could len(list_returning_function()) . Is there a way to len(generator_function()) ? ...