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What are bitwise shift (bit-shift) operators <em>a<em>nem>dem> how do they work?
I've bee<em>nem> attempti<em>nem>g to lear<em>nem> C i<em>nem> my spare time, <em>a<em>nem>dem> other la<em>nem>guages (C#, Java, etc.) have the same co<em>nem>cept (<em>a<em>nem>dem> ofte<em>nem> the same operators) ...
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Ca<em>nem><em>nem>ot issue data ma<em>nem>ipulatio<em>nem> stateme<em>nem>ts with executeQuery()
I<em>nem> MySQL I have two tables, tableA <em>a<em>nem>dem> tableB . I am tryi<em>nem>g to execute two queries:
10 A<em>nem>swers
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Which is the preferred way to co<em>nem>cate<em>nem>ate a stri<em>nem>g i<em>nem> Pytho<em>nem>?
...ri<em>nem>g to a stri<em>nem>g variable is to use + or +=. This is because it's readable <em>a<em>nem>dem> fast. They are also just as fast, which o<em>nem>e you cho<em>osem>e is a matter of taste, the latter o<em>nem>e is the m<em>osem>t commo<em>nem>. Here are timi<em>nem>gs with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
Howeve...
How do I se<em>nem>d a P<em>OSem>T request with PHP?
... whe<em>nem> it is do<em>nem>e. The problem is that the URL o<em>nem>ly accepts P<em>OSem>T methods, <em>a<em>nem>dem> it does <em>nem>ot take a<em>nem>y actio<em>nem> with GET method...
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Pytho<em>nem> hashable dicts
As a<em>nem> exercise, <em>a<em>nem>dem> m<em>osem>tly for my ow<em>nem> amuseme<em>nem>t, I'm impleme<em>nem>ti<em>nem>g a backtracki<em>nem>g packrat parser. The i<em>nem>spiratio<em>nem> for this is i'd like to have a better idea about how hyge<em>nem>ic macr<em>osem> would work i<em>nem> a<em>nem> algol-like la<em>nem>guage (as app<em>osem>ed to the sy<em>nem>tax free lisp dialects you <em>nem>ormally fi<em>nem>d them i<em>nem>). Because...
通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...这些问题时，经常使用的一种简单手段。ulimit 是一种 li<em>nem>ux 系统的内键功能，它具有一套参数集，用于为由它生成的 shell 进程及其子进程的资源使用设置限制。本文将在后面的章节中详细说明 ulimit 的功能，使用以及它的影响，...
How do I make a redirect i<em>nem> PHP?
...it(): The Daily WTF
Absolute or relative URL
Si<em>nem>ce Ju<em>nem>e 2014 both absolute <em>a<em>nem>dem> relative URLs ca<em>nem> be used. See RFC 7231 which had replaced the old RFC 2616, where o<em>nem>ly absolute URLs were allowed.
Status Codes
PHP's "Locatio<em>nem>"-header still uses the HTTP 302-redirect code, this is a "temporary" redirec...
U<em>nem>derst<em>a<em>nem>dem>i<em>nem>g “r<em>a<em>nem>dem>om<em>nem>ess”
I ca<em>nem>'t get my head arou<em>nem>d this, which is more r<em>a<em>nem>dem>om?
28 A<em>nem>swers
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Git <em>a<em>nem>dem> Mercurial - Compare <em>a<em>nem>dem> Co<em>nem>trast
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Disclaimer: I use Git, follow Git developme<em>nem>t o<em>nem> git maili<em>nem>g list, <em>a<em>nem>dem> eve<em>nem> co<em>nem>tribute a bit to Git (gitweb mai<em>nem>ly). I k<em>nem>ow Mercurial from docume<em>nem>tatio<em>nem> <em>a<em>nem>dem> some from discussio<em>nem> o<em>nem> #revctrl IRC cha<em>nem><em>nem>el o<em>nem> Free<em>Nem>ode.
Tha<em>nem>ks to all people o<em>nem> o<em>nem> #mercurial IRC cha<em>nem><em>nem>el who provided help about Mer...
Ca<em>nem> you split a stream i<em>nem>to two streams?
...ld<em>nem>'t create two producers of the origi<em>nem>al stream, I could see this bei<em>nem>g h<em>a<em>nem>dem>led by a collector that provides two streams.
– Brett Rya<em>nem>
Feb 12 '14 at 7:24
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