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OpenSUSE 升级最新系统步骤 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...稳定的更新源，或内网搭建的更新源） URL是源的地址，Alias是自定义的源的别名，-f 开启自动刷新zypper addrepo -f [URL] [Al 步骤如下：
#添加镜像地址，如果需要的话（更快更稳定的更新源，或内网搭建的更新源）
#URL是源的地...
count(*) vs count(column-name) - which is more correct? [duplicate]
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COUNT(*) counts all rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...em.
You can use JavaScript/Canvas to do the job but it is still experimental.
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std::vector versus std::array in C++
... should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same.
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What is the correct answer for cout
...r<<(std::operator<<(std::cout, a++), a);
C++ guarantees that all side effects of previous evaluations will have been performed at sequence points. There are no sequence points in between function arguments evaluation which means that argument a can be evaluated before argument std::ope...
Mockito matcher and array of primitives
With Mockito, I want to verify() a method call with byte[] in its argument list, but I didn't find how to write this.
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JavaScript error (Uncaught SyntaxError: Unexpected end of input)
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The lesson is, always indent your code (and indent it correctly).
– SLaks
Oct 20 '10 at 23:29
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See all breakpoints in Visual Studio 2010+
Is there a window in Visual Studio 2010 and newer where I can see all the breakpoints that I have in my project or solution?
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get keys of json-object in JavaScript [duplicate]
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[What you have is just an object, not a "json-object". JSON is a textual notation. What you've quoted is JavaScript code using an array initializer and an object initializer (aka, "object literal syntax").]
If you can rely on having ECMAScript5 features available, you can use the Object.keys f...
Convert String array to ArrayList [duplicate]
... answered May 10 '12 at 8:41
Lalit BhudiyaLalit Bhudiya
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