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Can an Option in a Select tag carry multiple values?
... options in a HTML form:
(the data will be collected and processed using PHP)
15 Answers
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一个转型程序员的销售观 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...，我们擅长技术，却完全不懂营销跟销售。当意识到这个问题的严重性后，我开始承担起业务销售这个角色。
程序员转销售？能做得好吗？做了三年多的app程序开发，自已觉得在技术领域还是做得比较出色的，两年的安卓加一...
Cookies on localhost with explicit domain
...ting it to "" or NULL or FALSE instead of "localhost" is not enough.
For PHP, see comments on http://php.net/manual/en/function.setcookie.php#73107.
If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all.
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哥开始构思第一个方案，我们开始想用统计的方法来解决问题，当我们拿着第一个方案和Ray讨论时，发现不能优雅应对Ray的所有提问：1、测试环境的准确性，失败到底是因为网络的特性导致还是因为用户当前的环境变化导致的...
How to destroy an object?
...It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of the comments fr...
Fatal error: Class 'SoapClient' not found
... service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file:
11 Answers
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...设备的控制”。
控制风扇转速
MacBook Pro的风扇控制有些问题，最高转速有6000RPM，噪音非常大。可以下载smcFanControl这款软件来手动控制风扇转速（平时建议设为3000RPM）。
查看温度
安装iStat Pro，然后调出Dashboard，就能看到CPU...
MySQL: determine which database is selected?
... currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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Mixing a PHP variable with a string literal
...ake a look to the Variable parsing - Complex (curly) syntax section of the PHP manual.
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Are global variables in PHP considered bad practice? If so, why?
In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; .
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