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Is the “struct hack” technically undefined behavior?
...subscript (as in the lvalue expression a[1][7] given the declaration int a[4][5]) (6.5.6).
Paragraph 8 of Section 6.5.6 Additive operators has another mention that access beyond defined array bounds is undefined:
If both the pointer operand and the result point to elements of the same array...
How to use glob() to find files recursively?
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1411
pathlib.Path.rglob
Use pathlib.Path.rglob from the the pathlib module, which was introduced in...
How can I validate a string to only allow alphanumeric characters in it?
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Akshay Khot
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answered Jun 25 '09 at 23:47
cletuscletus
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PHP function to make slug (URL string)
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455
Instead of a lengthy replace, try this one:
public static function slugify($text)
{
// repl...
How are the points in CSS specificity calculated
...ase is.
It turns out that the "very large base" employed (at least by the 4 most commonly-used browsers*) to implement this standard algorithm is 256 or 28.
What this means is that a style specified with 0 ids and 256 class-names will over-ride a style specified with just 1 id. I tested this out...
区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...特币和区块链相关的初创公司的风投资金规模就达到了约4.8亿美元,2016年第一季度已达到1.6亿美元,由此可见其增长趋势。如图：
(图1：比特币/区块链年度风投资金规模)
(图2：比特币/区块链领域季度风投资金规模)
除了投...
How can I make git accept a self signed certificate?
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edited Jan 4 at 2:01
evandrix
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ans...
How to convert a data frame column to numeric type?
... a 1
2 b 2 2 b 2
3 c 3 3 c 3
4 d 4 4 d 4
5 e 5 5 e 5
and let us run:
> sapply(d, mode)
char fake_char fac char_fac num
"character" "character" "numeric" "numeric" "numer...
How to sort git tags by version string order of form rc-X.Y.Z.W?
...keRobert Mutke
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Delaying a jquery script until everything else has loaded
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Jose BasilioJose Basilio
47k1111 gold badges113113 silver badges116116 bronze badges
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