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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
淘宝应对双"11"的技术架构分析双11最热门的话题是TB，最近正好和阿里的一个朋友聊淘宝的技术架构，发现很多有意思的地方，分享一下他们的解析资料：淘宝海量数据产品技术... 双“11”最热门的话题是TB ，最近正好和阿里的...
Routing for custom ASP.NET MVC 404 Error page
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Community♦
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answered Feb 16 '09 at 17:40
Alex ReitbortAlex Reitbort
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Get UIScrollView to scroll to the top
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11
I was able to scroll to the top, right below the navigation and status bar. [scrollView setContentOffset:CGPointMake(0, -scrollView.conten...
Are there any standard exit status codes in Linux?
...died with %u\n", WTERMSIG(status));
/* prints: "second child died with 11" */
}
How are you determining the exit status? Traditionally, the shell only stores an 8-bit return code, but sets the high bit if the process was abnormally terminated.
$ sh -c 'exit 42'; echo $?
42
$ sh -c 'kill -SE...
Good introduction to the .NET Reactive Framework [closed]
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edited Dec 24 '16 at 8:11
C2H6O
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answered Jan 4 '11 at 14:51
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Explanation of …
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rolling stone
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answered Feb 6 '11 at 9:53
David TangDavid Tang
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Is it possible to have SSL certificate for IP address, not domain name?
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Community♦
111 silver badge
answered Jan 11 '10 at 17:41
PekkaPekka
408k128128 gold badge...
Completion block for popViewController
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Joris KluiversJoris Kluivers
11.1k11 gold badge4242 silver badges4646 bronze badges
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Extract first item of each sublist
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You could use zip:
>>> lst=[[1,2,3],[11,12,13],[21,22,23]]
>>> zip(*lst)[0]
(1, 11, 21)
Or, Python 3 where zip does not produce a list:
>>> list(zip(*lst))[0]
(1, 11, 21)
Or,
>>> next(zip(*lst))
(1, 11, 21)
Or, (my favorite) u...
Placeholder Mixin SCSS/CSS
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Dave HeinDave Hein
2,00311 gold badge1212 silver badges1111 bronze badges
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