大约有 17,000 项符合查询结果(耗时:0.0200秒) [XML]

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Reference - What does this error mean in PHP?

... about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them. This is also a Community Wiki, so everyone is invited to participate adding to and maintaining this list. ...
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...进依赖项,否则会出错。最开始的时候,就是这么一点小问题,让我浪费了几天时间。   再点击添加必须的插件,自动添加其它的依赖项。   再下一步,设置项目的构建路径,如下图:   下一步,导出我们的...
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What's the use of ob_start() in php?

...ean() since ob_get_clean() essentially performs both functions. Reference: php.net/manual/en/function.ob-get-clean.php (PHP 4 >= 4.3.0, PHP 5) – Con Antonakos May 20 '15 at 16:49 ...
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How do I PHP-unserialize a jQuery-serialized form?

Using $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery. ...
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Why would $_FILES be empty when uploading files to PHP?

...mpServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such...
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Getting the name of a child class in the parent class (static context)

... in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references: 30423 37684 34421 edit: an example of late static binding in PHP 5.3 (mentioned in comments). no...
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...一台服务器来提供数据服务的时候,我会遇到如下的两个问题:1)一台服务器的性能不足以提供足够的能力服务于所有的网络...当我们在生产线上用一台服务器来提供数据服务的时候,我会遇到如下的两个问题: 1)一台服务...
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Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...可以梳理总结出来作为分享。 原则   对于性能问题,分析和改善有必要遵循以下原则: 一切看数据说话,不能跟着感觉走,感觉哪有问题就去改,很有可能会适得其反; 性能优化是一个持续的过程,需要不断...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...来源:http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html 问题:如何知道一个session都执行过哪些SQL语句?(查看当前比较容易,历史的呢?怎么复原sql的执行场景——事务关系、执行序列、单SQL还是存储过程) 【方法一】查...
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LINGO使用指南.doc - 脚本技术 - 清泛IT论坛,有思想、有深度

LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立最优化模型的语言,可以简便地表达大规模问题,利用LINGO高效的求解器可快速求解并分析结果。 §1  LINGO快速入门当你在windows下开始运行LINGO系统时...