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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

...PHP Triple Equals === Equality chart: Source code to create these images: https://github.com/sentientmachine/php_equality_charts Guru Meditation Those who wish to keep their sanity, read no further because none of this will make any sense, except to say that this is how the insanity-fractal, of PHP...
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Double not (!!) operator in PHP

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How and why does 'a'['toUpperCase']() in JavaScript work?

... toUpperCase is a standard javascript method: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/toUpperCase The reason it works like 'a'['toUpperCase']() is that the toUpperCase function is a property of the string object 'a'. You can r...
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Tactics for using PHP in a high-load site

... database. The upside to this is that it is pretty easy to implement. The downside (depending on implementation) is that you lose flexibility because you're treating all caching the same with regard to cache expiration. In the shop I work in, we use business layer caching, which means each concret...
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Code snippet or shortcut to create a constructor in Visual Studio

...Actions and Refactorings menu; Select Generate constructor from the drop-down menu; Pick the members you want to include as constructor parameters. You can order them using the up and down arrows. Choose OK. The constructor is created with the specified parameters. Generate a constructor in Vis...
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How to generate .NET 4.0 classes from xsd?

...ng="utf-8"?> <!-- Created with Liquid Technologies Online Tools 1.0 (https://www.liquid-technologies.com) --> <shiporder xsi:noNamespaceSchemaLocation="schema.xsd" orderid="string" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <orderperson>string</orderperson> ...
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In Java, what does NaN mean?

...defined. Like dividing 0.0 by 0.0. You can look here for more information: https://web.archive.org/web/20120819091816/http://www.concentric.net/~ttwang/tech/javafloat.htm Post your program here if you need more help. share ...
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Why check both isset() and !empty()

...et: '" . isset($s) . "'. "; print "!empty: '" . !empty($s) . "'"; ?> https://3v4l.org/J4nBb share | improve this answer | follow | ...
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How do I install a module globally using npm?

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Storing money in a decimal column - what precision and scale?

...ered Oct 22 '08 at 12:47 Marcus DowningMarcus Downing 9,34899 gold badges5858 silver badges7979 bronze badges ...