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Is it good practice to use the xor operator for boolean checks? [closed]
...said). Most humans would understand the first one easier if they know what xor is (which is pretty useful to know if you're in the field of computing...)
– Harold R. Eason
Nov 22 '13 at 20:53
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Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...捷。
我们还开发了多种自动化测试工具。正如之前我们发布的一篇关于持续部署系统的文章所讲述的那样，一台中央服务器会在所有新代码部署前运行一遍所有的测试。测试服务器高度并行化运作，因此即便是运行全部的测试...
What does the ^ operator do in Java?
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The ^ operator in Java
^ in Java is the exclusive-or ("xor") operator.
Let's take 5^6 as example:
(decimal) (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
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Best way to reverse a string
...'t need to mention unicode: chars in C# are unicode characters, not bytes. Xor may be faster, but apart from being far less readable, that may even be what Array.Reverse() uses internally.
– Nick Johnson
Oct 23 '08 at 13:18
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What does the caret operator (^) in Python do?
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It's a bitwise XOR (exclusive OR).
It results to true if one (and only one) of the operands (evaluates to) true.
To demonstrate:
>>> 0^0
0
>>> 1^1
0
>>> 1^0
1
>>> 0^1
1
To explain one of your own exa...
What is the purpose of XORing a register with itself? [duplicate]
xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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phpcms v9获取当前页面地址的方法:{$url} - 更多技术 - 清泛网 - 专注C/C++及内核技术
phpcms v9获取当前页面地址的方法:{$url}phpcms_current_page_url1、获取当前页面地址的方法:{$url}，可以在模板中生成静态页时使用。不过在新建或编辑内容页时值为空，这时可以考虑使用go()函数。2、主页 {$url} 返回空字符串，因此需要...
Split function equivalent in T-SQL?
...AR(2048) = 'Mike/John/Miko/Matt'; DECLARE CaracString NVARCHAR(1) = '/'; SELECT * FROM dbo.FnSplitString (VarString, CaracString)
– fernando yevenes
Feb 8 '19 at 15:57
ad...
Discuz开启帖子快速回复，设置无效 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... $allowfastpost = false;
}
$fastpost = $allowfastpost;
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