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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...
Is there a concurrent List in Java's JDK?
.... :)
– Matt Passell
Sep 3 '14 at 13:05
3
@AlikElzin-kilaka Nitpicking, but according to the JLS v...
GPU Emulator for CUDA programming without the hardware [closed]
...ved in a future release.
/usr/include/i386-linux-gnu/bits/byteswap.h(47): error: identifier "__builtin_bswap32" is undefined
/usr/include/i386-linux-gnu/bits/byteswap.h(111): error: identifier "__builtin_bswap64" is undefined
/home/user/Downloads/helloworld.cu(12): error: identifier "cudaDeviceSy...
How do you generate dynamic (parameterized) unit tests in python?
... File "x.py", line 12, in test_sequence
self.assertEqual(a,b)
AssertionError: 'a' != 'b'
For historical reasons I'll leave the original answer circa 2008 ):
I use something like this:
import unittest
l = [["foo", "a", "a",], ["bar", "a", "b"], ["lee", "b", "b"]]
class TestSequense(unittest...
Force line-buffering of stdout when piping to tee
...ering
-o, --output=MODE adjust standard output stream buffering
-e, --error=MODE adjust standard error stream buffering
If MODE is 'L' the corresponding stream will be line buffered.
This option is invalid with standard input.
If MODE is '0' the corresponding stream will be unbuffered.
Oth...
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...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
I want to use my Amazon ec2 instance but faced the following error:
29 Answers
29
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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?
...
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
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