大约有 7,000 项符合查询结果(耗时:0.0142秒) [XML]

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Sanitizing strings to make them URL and filename safe?

...t's not clear whether this is the locale of the server or client. From the PHP docs: A "word" character is any letter or digit or the underscore character, that is, any character which can be part of a Perl "word". The definition of letters and digits is controlled by PCRE's character tabl...
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Why is it bad practice to call System.gc()?

...ly not necessarily true - the Java heap itself grows independently of Java allocations. As in, the JVM will hold memory (many tens of megabytes) and grow the heap as necessary. It doesn't necessarily return that memory to the system even when you free Java objects; it is perfectly free to hold o...
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Random string generation with upper case letters and digits

...ly, Django is using this piece of code for generating passwords & CSRF tokens. Although you should replace random with random.SystemRandom() : github.com/django/django/blob/… – user Jun 21 '14 at 7:03 ...
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How to Sort Multi-dimensional Array by Value?

... Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first: function sortByOrder($a, $b) { return $a['order'] - $b['order']; } usort($myArray, 'sortByOrder'); Starting in PHP 5.3, you can use an anonymous func...
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How to check for valid email address? [duplicate]

...) >>> parseaddr('invalid-email') ('', 'invalid-email') So, as @TokenMacGuy put it, the only definitive way of checking an e-mail address is to send an e-mail to the expected address and wait for the user to act on the information inside the message. However, you might want to check for,...
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Saving timestamp in mysql table using php

... Type safety: FROM_UNIXTIME yields a native mysql date type while php's date() returns a string. – Richard Tuin May 20 '16 at 6:19 ...
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?

...7) But, there are at least two differences : __DIR__ only exists with PHP >= 5.3 which is why dirname(__FILE__) is more widely used __DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time so, __DIR__ is (or, should be) faste...
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PHP global in functions

...alVariablesAreBad How is testing the registry pattern or singleton hard in PHP? Flaw: Brittle Global State & Singletons static considered harmful Why Singletons have no use in PHP SOLID (object-oriented design) share ...
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PHP String to Float

I am not familiar with PHP at all and had a quick question. 8 Answers 8 ...
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Make a link use POST instead of GET

...ng more than you already have. <form name="myform" action="handle-data.php" method="post"> <label for="query">Search:</label> <input type="text" name="query" id="query"/> <button>Search</button> </form> <script> var button = document.querySelec...