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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]

... feature in C99. I think the only confusion here has arisen because I mentioned that vararg lists are unsafe immediately after discussing empty parameter lists. This was simply because I imagine someone reading the explanation and then thinking "Oh, I wonder what amazing things I can achieve with th...
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Python extending with - using super() Python 3 vs Python 2

...r: global name '__class__' is not defined, and super(self.__class__) is erroneous as well. You must provide an instance as a second argument, which would suggest you need to do super(self.__class__, self), but that is wrong. If Class2 inherits from Class1 and Class1 calls super(self.__class__, self)...
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jQuery trigger file input

...restriction is only when the <input type="file"/> is set to display:none; or is visbilty:hidden. So i tried positioning it outside the viewport by setting position:absolute and top:-100px; and voilà it works. see http://jsfiddle.net/DSARd/1/ call it a hack. Hope that works for you. ...
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Two way/reverse map [duplicate]

...se additions, but it'd be helpful to delete old key pairs when setting new ones (d['foo'] = 'baz' would need to additionally remove the bar key). – beardc Jan 29 '13 at 19:10 ...
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Calculate the date yesterday in JavaScript

... previous answer and added an arrow function // a (not very efficient) oneliner let yesterday = new Date(new Date().setDate(new Date().getDate()-1)); console.log(yesterday); // a function call yesterday = ( function(){this.setDate(this.getDate()-1); return this} ) .call(new Date); c...
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How to update a single library with Composer?

... for production, but can take a bit of time to run so it is currently not done by default. --lock: Only updates the lock file hash to suppress warning about the lock file being out of date. --with-dependencies: Add also all dependencies of whitelisted packages to the whitelist. --prefer-stable: Pref...
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Split a string by another string in C#

...BROWNxxFOX"; return data.Split(new string[] { "xx" }, StringSplitOptions.None); share | improve this answer | follow | ...
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Convert a Unix timestamp to time in JavaScript

... numbers far more efficiently than strings. When string concatenation is done, there's a lot of memory management going on in the background. (However, if you're already doing a string concatenation anyway, then including a few extra characters in one of the strings might actually be less costly o...
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PHP Warning: PHP Startup: Unable to load dynamic library

... It means there is an extension=... or zend_extension=... line in one of your php configuration files (php.ini, or another close to it) that is trying to load that extension : ixed.5.2.lin Unfortunately that file or path doesn't exist or the permissions are incorrect. Try to search in th...
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Convert object string to JSON

...ng is not valid JSON, so JSON.parse (or jQuery's $.parseJSON) won't work. One way would be to use eval to "parse" the "invalid" JSON, and then stringify it to "convert" it to valid JSON. var str = "{ hello: 'world', places: ['Africa', 'America', 'Asia', 'Australia'] }" str = JSON.stringify(eval('(...