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...，而火车票瞬时有千万级别甚至是亿级别的）（更新：2014年1月11日：来了淘宝后，对淘宝的系统有了解，淘宝的秒杀活动，本质上是用输验证码并在CDN上把用户直接过滤掉了，比如：1千万个用户过滤了只剩2万个用户，这样数据...
filtering NSArray into a new NSArray in Objective-C
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NSArray and NSMutableArray provide methods to filter array contents. NSArray provides filteredA...
What is a singleton in C#?
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A singleton is a class which only allows one instance of itself to be created - and gives simpl...
How do I find the current executable filename? [duplicate]
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System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName
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Can I implement an autonomous `self` member type in C++?
...ED(Bar2,Foo,Foo2)
{
/* ... */
};
I have verified this to work on gcc 4.8 and clang 3.4.
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How to achieve code folding effects in Emacs?
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
... processor, such as real mode, protected mode, virtual 8086 mode, and (amd64) long mode. This can be confusing to some.
x86 is a CISC machine. For a long time this meant it was slower than RISC machines like MIPS or ARM, because instructions have data interdependency and flags making most forms of i...
Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird ...
How do I remove blank elements from an array?
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edited Aug 10 '15 at 3:54
answered May 4 '11 at 4:51
Matt...
“Debug certificate expired” error in Eclipse Android plugins
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Delete y...