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13 Reasons Why You Should Pay Attention to Mobile Web Performance
Mobile is no longer on the sidelines. If you’re not already thinking mobile first, you should at least consider it. Let’s go over compelling data that...
分类:Web程序   时间:2014-09-03 10:50:56    阅读次数:235
add to svn ignore disabled
The problem is that the folder is already under version control. Here's how I fix this type of problem when it comes up: In your local shell, make a c...
分类:其他好文   时间:2014-09-02 17:20:24    阅读次数:179
error 'there is already an open datareader associated with this command which must be closed first'
This can be easily solved by allowing MARS in your connection string. AddMultipleActiveResultSets=trueto the provider part of your connection string (...
分类:其他好文   时间:2014-09-02 12:16:14    阅读次数:178
让程序只启动一个实例
在应用程序的InitInstance方法中,添加如下几行代码:CreateMutex(NULL,true,m_pszAppName); if(GetLastError()==ERROR_ALREADY_EXISTS) { AfxMessageBox(_T("程序已启动"),MB_OK|MB_APPLMODAL|MB_ICONSTOP); returnfalse; }
分类:其他好文   时间:2014-09-01 15:52:03    阅读次数:164
Reverse Integer
问题描述 Example1: x = 123, return 321 Example2: x = -123, return -321 Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already...
分类:其他好文   时间:2014-09-01 15:38:13    阅读次数:199
Java Socket常见异常处理 和 网络编程需要注意的问题
在java网络编程Socket通信中,通常会遇到以下异常情况: 第1个异常是 java.net.BindException:Address already in use: JVM_Bind。 该异常发生在服务器端进行new ServerSocket(port)(port是一个0,65536的整...
分类:编程语言   时间:2014-08-31 16:59:51    阅读次数:236
"org.jboss.netty.internal.LoggerConfigurator".DESCRIBED is already registered 的解决办法
jboss 6.2 EAP上 DuplicateServiceException错误的解决办法
分类:Web程序   时间:2014-08-30 12:36:59    阅读次数:406
linux知识点
1.Error, some other host already uses address事件: 今天帮客户重装完系统后,刚开始网络是正常的,IP是在安装的过程中配置好。但修改ifcfg-eth0文件后重启网络服务时,就出现"Error, some other host already uses a...
分类:系统相关   时间:2014-08-29 09:26:07    阅读次数:190
The GPG keys listed not correct
The GPG keys listed for the "Extra Packages for Enterprise Linux 5 - x86_64" repository are already installed but they are not correct for this packag...
分类:其他好文   时间:2014-08-28 19:46:05    阅读次数:503
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