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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
...生的数据，通过淘宝自主研发的数据传输组件DataX、DbSync和Timetunnel准实时地传输到一个有1500个节点的Hadoop集群上，这个集群我们称之为“云梯”，是计算层的主要组成部分。在“云梯”上，我们每天有大约40000个作业对1.5PB的原...
How do I enable/disable log levels in Android?
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edited Oct 23 '14 at 18:49
matt5784
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Python hashable dicts
... is called a literal
– smido
Oct 6 '18 at 20:09
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@smido: Thanks. I also found that you can just ...
Understanding typedefs for function pointers in C
I have always been a bit stumped when I read other peoples' code which had typedefs for pointers to functions with arguments. I recall that it took me a while to get around to such a definition while trying to understand a numerical algorithm written in C a while ago. So, could you share your tips a...
Cannot make a static reference to the non-static method
...ed Jul 20 '16 at 22:33
SpaceCore186
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answered Feb 11 '11 at 12:51
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Github: Can I see the number of downloads for a repo?
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edited Sep 18 '19 at 13:45
answered Dec 2 '10 at 19:40
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
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1183
I think you're looking for dispatch_after(). It requires your block to accept no parameters, ...
华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...司产品投放市场的时间就可缩短一半。例如，摩托罗拉的Codex部在两年内把平均产品研发时间缩短了46%。同样，Bolt，Beranek和Newman采用新过程研发后，第一项产品的投放市场时间大幅度缩短了50%～60%。这是一个什么概念呢?这告诉...
How do you migrate an IIS 7 site to another server?
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Josh Crozier
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answered Jan 29 '09 at 20:55
chewschews
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Extracting text from HTML file using Python
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edited Jun 30 '18 at 20:54
Alireza Savand
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