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NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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How to write to a file in Scala?
...O being not very active, if any, Li Haoyi suggests his own library lihaoyi/os-lib, that he presents below.
June 2019, Xavier Guihot mentions in his answer the library Using, a utility for performing automatic resource management.
Edit (September 2011): since Eduardo Costa asks about Scala2.9, an...
Dark theme in Netbeans 7 or 8
...e wraps that original implementation, adapting it to NetBeans. So we see close fidelity to the original Darcula. [By the way, there are many other reasons beyond Darcula to use IntelliJ – both IntelliJ and NetBeans are truly excellent and amazing products.]
This NetBeans plugin is itself open-sou...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
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Just use Ctrl+K, Ctrl+D.
(for OS X: Cmd+K, Cmd+D)
Needs a bit of practice, but gets the job done!
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C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...);
printf("&i = %x\n", &pt->i); //因为操作符优先级，我没有写成&(pt->i)
printf("&c = %x\n", &pt->c);
printf("&p = %x\n", &pt->p);
return 0;
}
看到这里，你...
OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术
...是一个比较抽想的概念，一般来说是不需要我们直接进行操作的。
当使用者通过视修改了数据时，应该调用GetDocument()->SetModifiedFlag(TRUE)通知文档数据已经被更新，这样在关闭文档时会自动询问用户是否保存数据。
OnDraw()和...
Match whitespace but not newlines
...de does not consider it whitespace. For that reason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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How do I prevent the iPhone screen from dimming or turning off while my application is running?
... answered Sep 24 '08 at 6:07
lajoslajos
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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...等待的过程中，IE进程消耗掉了CPU资源的50-60%。点击翻页操作，或者改变IE的窗口大小会触发viewer对pdf进行重新解析和渲染。有时把IE前端的某个挡住他的程序窗口（比如一个txt）移开也会导致重新渲染，但是并不是每次都会触发...
Converting NSString to NSDate (and back again)
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totally worth checking this post.
– iOmi
Jan 22 '13 at 9:45
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