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how does Array.prototype.slice.call() work?
...normally, this is an Array, and then it just iterates over that Array, and does its work.
How is this in the .slice() function an Array? Because when you do:
object.method();
...the object automatically becomes the value of this in the method(). So with:
[1,2,3].slice()
...the [1,2,3] Array i...
What does Python's eval() do?
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@GeorgeCummins, codepad.org does not use eval, nor could it do what it does with eval.
– Mike Graham
Feb 21 '12 at 20:01
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How many bytes does one Unicode character take?
...as I know old ASCII characters took one byte per character. How many bytes does a Unicode character require?
12 Answers
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How long does it take for GitHub page to show changes after changing index.html
I am just wondering how long does it take for GitHub page to show the new items that I have added to the repository.
3 Answ...
What does git push -u mean?
I have two different versions of git.
In the 1.6.2 version, git push does not have the -u option. It only appears in the 1.7.x version.
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What does the regex \S mean in JavaScript? [duplicate]
What does /\S/ mean in a regex?
5 Answers
5
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What Does This Mean in PHP -> or => [duplicate]
...P all the time but I don't have a clue as to what they actually mean. What does -> do and what does => do. And I'm not talking about the operators. They're something else, but nobody seems to know...
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What does the -u flag mean in git push -u origin master? [closed]
I was just wondering what does the -u flag mean in this command?
2 Answers
2
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MySQL ('root'@'%') does not exist 的问题 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
MySQL ('root'@'%') does not exist的问题：
在使用mysql时出现问题： The user specified as a definer ('root'@'%') does not exist。
一般是由于root用户对全局host无访问权限。因此只要给root用户添加一个访问权限即可。
解决办法：
登陆mysql ，...
‘std::tr1’ does not name a template type - C/C++ - 清泛网 - 专注C/C++及内核技术
‘std::tr1’ does not name a template typestd-tr1-does-not-name-a-template-type解决方法：添加头文件 if !defined(_MSC_VER) include <tr1 memory> endifC++ Technical Report 1 (TR1)是ISO IEC TR 19768, C++ Library Extensions（函式库扩充）的 解决方法：添加头文件
#if !def...