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Why does calling a function in the Node.js REPL with )( work?

..., World!"); } hi)( Error: SyntaxError: Unexpected token ) at Module._compile (module.js:439:25) at Object.Module._extensions..js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) a...
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How to get object length [duplicate]

...ize method, as well as a toArray method, which may get you what you need. _.size({one : 1, two : 2, three : 3}); => 3 share | improve this answer | follow ...
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Authorize a non-admin developer in Xcode / Mac OS

... You need to add your OS X user name to the _developer group. See the posts in this thread for more information. The following command should do the trick: sudo dscl . append /Groups/_developer GroupMembership <username> ...
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How to create a date object from string in javascript [duplicate]

...return a JS Date object, with a robust selection of methods available from __proto__. Demo in jsFiddle – KyleMit Apr 11 '17 at 19:19 4 ...
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Curly braces in string in PHP

...eral {$. Some examples to make it clear: <?php // Show all errors error_reporting(E_ALL); $great = 'fantastic'; // Won't work, outputs: This is { fantastic} echo "This is { $great}"; // Works, outputs: This is fantastic echo "This is {$great}"; echo "This is ${great}"; // Works echo "This sq...
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What characters are valid for JavaScript variable names?

...mmarizing the relevant spec sections: An identifier must start with $, _, or any character in the Unicode categories “Uppercase letter (Lu)”, “Lowercase letter (Ll)”, “Titlecase letter (Lt)”, “Modifier letter (Lm)”, “Other letter (Lo)”, or “Letter number (Nl)”. The r...
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Programmatically find the number of cores on a machine

...<thread> //may return 0 when not able to detect const auto processor_count = std::thread::hardware_concurrency(); Reference: std::thread::hardware_concurrency In C++ prior to C++11, there's no portable way. Instead, you'll need to use one or more of the following methods (guarded by app...
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Is nested function a good approach when required by only one function? [closed]

... >>> def sum(x, y): ... def do_it(): ... return x + y ... return do_it ... >>> a = sum(1, 3) >>> a <function do_it at 0xb772b304> >>> a() 4 Is this what you were looking for? It's called a closure. ...
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remove objects from array by object property

...d:'efg',name:'em'}, {id:'hij',name:'ge'}]; items.splice(_.indexOf(items, _.findWhere(items, { id : "abc"})), 1); With ES5 or higher (without lodash/underscore) With ES5 onwards we have findIndex method on array, so its easy without lodash/underscore items.splice(items.findIn...
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Difference between “git checkout ” and “git checkout -​- ”

...ould normally discard uncommitted changes # to the _file_ "README" git checkout master # would normally switch the working copy to # the _branch_ "master" git checkout -- master # discard uncommitted changes to the _file_ "master" and option/f...