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PHP + MySQL transactions examples
... rollback the transaction
$db->rollback();
throw $e; // but the error must be handled anyway
}
Note that, with this idea, if a query fails, an Exception must be thrown:
PDO can do that, depending on how you configure it
See PDO::setAttribute
and PDO::ATTR_ERRMODE and PDO::ERRMODE_EXCE...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...如果你需要返回一个String对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做这个操作。
当从输入的数据集中抽取出Strings的时候，尝试返回原数...
windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到UTF8失败”
6、服务器端都没问题了，但是客户端不能连接主机
下面就根据这几个问题，一一解答：
1、svn可以分为单个或多个版本库，假设：
版本库目录为 /data/svndata/repos1
启动程序如果是：svnserve -d -r /data/svndata/re...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...
answered Apr 1 '10 at 3:05
Avi FlaxAvi Flax
45.1k99 gold badges4141 silver badges6161 bronze badges
...
Java Look and Feel (L&F) [closed]
I am developing a desktop application with Java Swing for my personal use.I am in need of some beautiful Look and Feel for my application. How can I do it using Java or a 3rd party API?
...
得合伙人者得天下：腾讯五虎、新东方三驾马车、携程四君子、复旦五虎 - 资...
...的指导老师，3人随后产生交集。
携程四君子：交大是连接纽带
学校：上海交通大学
创业者：季琦、沈南鹏、范敏
携程创业四君子中，除CEO梁建章是复旦毕业的，沈南鹏、范敏、季琦均是上海交大校友。早在1982年中学生计...
fastest MD5 Implementation in JavaScript
There are many MD5 JavaScript implementations out there.
Does anybody know which one is the most advanced, most bugfixed and fastest?
...
窝窝与众美联合并 新公司命名“众美窝窝” - 资讯 - 清泛网 - 专注C/C++及内核技术
...淘宝早期的策略。
最后，窝窝越过同业，直接与商家“连接”。以上案例通过同业横向兼并，获得更多B端商户和C端流量，壮大平台。而窝窝则是通过与行业联盟结合，直接获得商家资源及其用户资源，与同业兼并殊途同归，...
Check whether an array is empty [duplicate]
...'t mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() cons...
How do I cancel a build that is in progress in Visual Studio?
... Studio on one of my projects (I turn MVC view building on to catch markup errors), well, the project becomes unresponsive while building. I can't cancel the build using the keyboard shortcuts.
So I made this batch file that sits on my quick launch task bar.
@echo off
echo KILL BILLd
for /L %%i in...