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程序员：编程能力与编程年龄的关系 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...清洗条件如下：(数据全量是1694981用户，平均年龄30.3岁)
15-70岁之间的用户(这年龄段的用户被称做“Working age”)，当然，有很多用户没有输入年龄，这些用户都被过滤了。
用户在2012年内都回答过问题。因为StackOverflow在2012年对...
SQL Server dynamic PIVOT query?
... executing it?
– The Red Pea
Oct 2 '15 at 20:08
How would you sort the rows and columns on this?
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A better similarity ranking algorithm for variable length strings
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157
Simon White of Catalysoft wrote an article about a very clever algorithm that compares adjacen...
What is the difference between integration and unit tests?
...ng). (continues)
– Rogério
Apr 22 '15 at 21:53
6
Unit tests can exercise multiple classes, provi...
What purpose does a tag serve inside of a tag?
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dr jimbob
15k33 gold badges5252 silver badges7272 bronze badges
answered Aug 18 '14 at 9:11
Qantas 94 HeavyQant...
Where does the @Transactional annotation belong?
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546
I think transactions belong on the Service layer. It's the one that knows about units of work ...
Remove Last Comma from a string
...become "8,7"
– Miguel
Aug 24 '17 at 15:22
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Convert javascript array to string
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edited Oct 22 '15 at 22:00
answered Mar 13 '11 at 13:00
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git revert back to certain commit [duplicate]
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git reset --hard 4a155e5 Will move the HEAD back to where you want to be. There may be other references ahead of that time that you would need to remove if you don't want anything to point to the history you just deleted.
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TSQL - How to use GO inside of a BEGIN .. END block?
...prior to it).
– Tom
Jun 23 '17 at 3:15
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