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Difference between float and double in php?

... There is no difference in PHP. float, double or real are the same datatype. At the C level, everything is stored as a double. The real size is still platform-dependent. See the manual for more details: http://www.php.net/manual/en/language.types.flo...
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Can I Replace Apache with Node.js?

...l suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.j...
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Unique constraint on multiple columns

...lumn unique constraint to an existing table. Under the table, right click Indexes->Click/hover New Index->Click Non-Clustered Index... A default Index name will be given but you may want to change it. Check the Unique checkbox and click Add... button Check the columns you want included ...
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Two way/reverse map [duplicate]

... If it has to be efficient, then under the covers you need both keys to be indexed in some index data structure — whether that's a hash, a sorted list, a binary tree, a trie, a suffix array full of sistrings, or something even more exotic. The simple way to do that in Python is to use a hash. ...
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Convert PHP closing tag into comment

...w this regex, I'd say: Hmmm, what's going on? But that is downright and totally subjective. – ppeterka Mar 5 '13 at 9:20 ...
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How to define an empty object in PHP

...(); A comment in the manual sums it up best: stdClass is the default PHP object. stdClass has no properties, methods or parent. It does not support magic methods, and implements no interfaces. When you cast a scalar or array as Object, you get an instance of stdClass. You can us...
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How to send a PUT/DELETE request in jQuery?

...ch as PUT and DELETE, can also be used here, but they are not supported by all browsers." from: api.jquery.com/jQuery.ajax/#options – andilabs Dec 2 '13 at 8:11 23 ...
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How to get whole and decimal part of a number?

... This breaks and throws warning about undefined index, if number is integer or does not contain decimal part. – Andreyco Nov 16 '13 at 16:42 1 ...
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linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...2、往版本库中添加新的文件 svn add file 例如:svn add test.php(添加test.php) svn add *.php(添加当前目录下所有的php文件) 3、将改动的文件提交到版本库 svn commit -m “LogMessage“ [-N] [--no-unlock] PATH(如果选择了保持锁,就使用–no-unloc...
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Any decent text diff/merge engine for .NET? [closed]

...pf diff viewer based on the Diff.Sections collection: http://www.eqqon.com/index.php/GitSharp#GitSharp.Demo share | improve this answer | follow | ...