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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是Lucy这个单词。
换行符就是'\n',ASCII编码为10(十六进制0x0A)的字符。
如果同时使用其它元字符，我们就能构造出功能更强大的正则表达式。比如下面这个例子：
0\d\d-\d\d\d\d\d\d\d\d匹配这样的字符串：以0开头，然后是两个数字，...
Getting the thread ID from a thread
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84
In C# when debugging threads for example, you can see each thread's
ID.
This will be the...
How to auto-remove trailing whitespace in Eclipse?
...nes or ignoring empty lines - really annoying.
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Feb 12 '14 at 13:06
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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]
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Bo PerssonBo Persson
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Detecting input change in jQuery?
...akAlnitak
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How do I install pip on macOS or OS X?
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If you brew-install Python, but pip is still not in your path, you might need to re-link, like this brew unlink python && brew link...
How is malloc() implemented internally? [duplicate]
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DarkDustDarkDust
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What is the list of supported languages/locales on Android?
... [Chiga (Uganda)]
chr_ [Cherokee]
chr_US [Cherokee (United States)]
cs_ [Czech]
cs_CZ [Czech (Czech Republic)]
cy_ [Welsh]
cy_GB [Welsh (United Kingdom)]
da_ [Danish]
da_DK [Danish (Denmark)]
da_GL [Danish (Greenland)]
dav_ [Taita]
dav_KE [Taita (Kenya)]
de_ [German]
de_AT [German (Austria)]
de_BE [...
Calculate distance between 2 GPS coordinates
... in meters using eliptical model, accurate to the mm
4326 is SRID for WGS84 elipsoidal Earth model
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How to toggle a value in Python
...gt; print "%.2f usec/pass" % (1000000 * t3.timeit(number=100000)/100000)
9.84 usec/pass
>>> stmt4="""
x=0
for i in xrange(0,100):
x=x-1
"""
>>> t4=timeit.Timer(stmt=stmt4)
>>> print "%.2f usec/pass" % (1000000 * t4.timeit(number=100000)/100000)
6.32 usec/pass
...