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Optimise PostgreSQL for fast testing

I am switching to PostgreSQL from SQLite for a typical Rails application. 2 Answers 2 ...
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How to compile and run C/C++ in a Unix console/Mac terminal?

...e executable just built is the same as running any program - but you will most often need to specify the path to the executable as the shell will only search what is in $PATH to find executables, and most often that does not include the current directory (.). So to run the built executable foo: ./...
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How can you detect the version of a browser?

... just discovered serious issue downgrading broswer IE11 to IE10 navigatior user agent showing Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/6.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4...
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Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ervers”个子进程后,为了满足MinSpareServers设置的需要创建一个进程,等待一秒钟,继续创建两个,再等待一秒钟,继续创建四个……如此按指数级增加创建的进程数,最多达到每秒32个,直到满足MinSpareServers设置的值为止。这就...
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Proper stack and heap usage in C++?

I've been programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap. ...
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How can I distribute python programs?

... with disutils for Linux, and Py2exe or something similar for Windows. For OS X I don't know. If it's an end user application you would probably want an disk image type of thing, I don't know how to do that. But read this post for more information on the user experience of it. For an application mad...
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...imed out Socket error 10061 - Connection refused Socket error 10064 - Host is down Socket error 10065 - No route to host Socket error 10067 - Too many processes Socket error 10091 - Network subsystem is unavailable Socket error 10092 - WINSOCK.DLL version out of range Socket error 1009...
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提升速度:XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...lete三个键,然后点击“Processes(进程)”选项卡,可以看到一个对话框,在这里可以看到目前正在运行的所有进程。如果要为一个程序分配更多的进程时间,如3D Studio Max,只需右键点击这个进程,再把鼠标指针向下移动到“Set Prio...
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Python concatenate text files

...if they were a single file is very handy. (Also, the fact that fileinput closes each file as soon as it's done means there's no need to with or close each one, but that's just a one-line savings, not that big of a deal.) There are some other nifty features in fileinput, like the ability to do in-pl...
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Visibility of global variables in imported modules

... Globals in Python are global to a module, not across all modules. (Many people are confused by this, because in, say, C, a global is the same across all implementation files unless you explicitly make it static.) There are different ways to solve this, depending on your ac...