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400 BAD request HTTP error code meaning?

...ound) and valid (i.e. semantically sound, e.g. according to a schema). The description of the 400 code is "the request could not be understood by the server due to malformed syntax" - so it shouldn't be used for validation errors, imho. – Martin Lie Mar 6 '17 a...
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Null vs. False vs. 0 in PHP

...other good "nothing" entities. What is the difference, specifically in PHP? Does it have something to do with === ? 1...
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How to create an array for JSON using PHP?

From PHP code I want to create an json array: 10 Answers 10 ...
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PHP memory profiling

What's a good way to profile a PHP page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory. ...
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Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio

What is the easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lion)? 12 Answ...
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl

When I attempt to connect to a MySQL server from PHP, I see the following error: 1 Answer ...
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How to get current time in milliseconds in PHP?

...e in seconds since the Unix epoch accurate to the nearest microsecond (see PHP reference). It's actually very easy to test if you run the above code in a loop and display the milliseconds. – laurent Dec 18 '12 at 10:08 ...
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How to use HTML Agility pack

...lityPack; namespace GetMetaData { /// <summary> /// Summary description for MetaDataWebService /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] ...
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PHP - Get key name of array value

...f you're sorting, use asort (asort($arr)). This maintains the key values. php.net/manual/en/function.asort.php – Rich701 Mar 9 '17 at 16:26 add a comment  |...
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PHP 5: const vs static

In PHP 5, what is the difference between using const and static ? 7 Answers 7 ...