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Regular expressions in an Objective-C Cocoa application

...'re interested in the position of the match or position of subexpressions, and you cannot get it with NSPredicate. As mentioned you can use regex POSIX functions. But they are considered slow, and the regex syntax is limited compared to other solutions (ICU/pcre). There are many OSS libraries, Cocoa...
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How to remove files and directories quickly via terminal (bash shell) [closed]

... +1 and glad you added the "Be careful!" part... definitely a "Sawzall" command that can quickly turn a good day into a bad one.. if wielded carelessly. – itsmatt Apr 15 '10 at 1:30 ...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...ng functions, time , clock getrusage , clock_gettime , gettimeofday and timespec_get , I want to understand clearly how they are implemented and what are their return values in order to know in which situation I have to use them. ...
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OS X: equivalent of Linux's wget

... Also, wget is available via both MacPorts and Fink. – Brian Clapper Dec 31 '10 at 20:26 47 ...
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64 bit OS下int占几个字节? - C/C++ - 清泛网 - 专注C/C++及内核技术

64 bit OS下int占几个字节?int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的,不受编译器的影响。__int64才是8位的。另外,指针是受编译器 OS影响的,3...int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的...
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how to read System environment variable in Spring applicationContext

... -Dprop=... sets a java property in command line. You can read this property via System.getProperty("prop"). If you would like to read a OS property then use System.getenv("os-env-variable"). See javadoc: docs.oracle.com/javase/6/docs/api/java/lang/System.html ...
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Is it possible to use Visual Studio on macOS?

...hich also now supports debugging. Thus, if you install Visual Studio Code and .NET Core on a Mac in OS X you can quite freely edit and compile and run and debug and share your code with Visual Studio 2017 on a PC. – DavidMWilliams Feb 2 '17 at 5:16 ...
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How do I set environment variables from Java?

...s to start, though, so I'd rather modify the current process's environment and let the subprocesses inherit it. 19 Answers ...
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Node.JS constant for platform-specific new line?

... Node.js 0.6.x and earlier: Unfortunately there isn't a constant, but you determine it yourself using: var nl = (process.platform === 'win32' ? '\r\n' : '\n') (note this is quite a naive solution) ...
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Xcode 4 - slow performance

...ake sure Xcode isn't open. Now find your project file. Right-click on it, and select Show Package Contents. Next, delete project.xcworkspace. Open Xcode and enjoy faster performance! Thanks to: http://meachware.blogspot.com/2011/06/speed-up-xcode-4.html Edit: I've gotten several commen...