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Is unsigned integer subtraction defined behavior?
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The result of a subtraction generating a negative number in an unsigned type is well-defined:
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How can I find the length of a number?
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13 Answers
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Commenting multiple lines in DOS batch file
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185
You can use a goto to skip over code.
goto comment
...skip this...
:comment
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How to read from a file or STDIN in Bash?
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15 Answers
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...unt. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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Automatically update version number
... Visual Studio (2005/2008). I have tried to specify the AssemblyVersion as 1.0.* but it doesn't get me exactly what I want.
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就拿最简单的两个数据使用Apache提供的 Levenshtein for 循环100w次计算这两个数据的相似度。代码结果如下：
String s1 = "你妈妈喊你回家吃饭哦，回家罗回家罗" ;
String s2 = "你妈妈叫你回家吃饭啦，回家罗回家罗" ;
long t1 = System.c...
Android Debug Bridge (adb) device - no permissions [duplicate]
...oblem connecting HTC Wildfire A3333 in debugging mode with my Fedora Linux 17. Adb says:
20 Answers
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How to round a number to significant figures in Python
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146
You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
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