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Double not (!!) operator in PHP

What does the double not operator do in PHP? 6 Answers 6 ...
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related

Using any php application results in: 11 Answers 11 ...
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JSON encode MySQL results

... $rows[] = $r; } print json_encode($rows); The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here NOTE: mysql is deprecated as of PHP 5.5.0, use mysqli extension instead http://php.net/manual/en/migration55.deprecated.php. ...
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Are “elseif” and “else if” completely synonymous?

... From the PHP manual: In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this i...
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Codeigniter - no input file specified

... Just add the ? sign after index.php in the .htaccess file : RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?/$1 [L] and it would work ! ...
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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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Convert HTML + CSS to PDF [closed]

...tten in C++ and therefore much faster and much less of a resource hog than PHP based implementation. – Koobz Feb 15 '10 at 12:36 ...
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Is it possible to delete an object's property in PHP?

...ght mind, convert an array into an object? It just makes no sense (even if PHP allows it). I will not encorage and spread bad programming habits by commenting on this :) No offense. – Yanick Rochon Mar 21 '14 at 2:54 ...
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What is the difference between `git merge` and `git merge --no-ff`?

...to discard changes in working directory) # # modified: ecc/Desktop.php # modified: ecc/Mobile.php # deleted: ecc/ecc-config.php # modified: ecc/readme.txt # modified: ecc/test.php # deleted: passthru-adapter.igs # deleted: shop/mickey/index....
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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...果不可到达,则就将其回收,这样也可以消除引用循环的问题。在Java语言中,判断一个内存空间是否符合垃圾收集标准有两个:一个是给对象赋予了空值null,以下再没有调用过,另一个是给对象赋予了新值,这样重新分配了内...