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How to get a random number in Ruby
... Isn't this terribly non-ruby-like? I thought everything is an object, least-surprise and that...
– Dan Rosenstark
Jan 26 '10 at 18:50
1
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Copy folder recursively, excluding some folders
...den files and folders into another folder, but I want to exclude certain specific folders. How could I achieve this?
8 Ans...
How to delete multiple files at once in Bash on Linux?
...ith names beginning with abc.log.2012-03-.
rm -f abc.log.2012-03-*
I'd recommend running ls abc.log.2012-03-* to list the files so that you can see what you are going to delete before running the rm command.
For more details see the Bash man page on filename expansion.
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How to scale Docker containers in production
So I recently discovered this awesome tool, and it says
10 Answers
10
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使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
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使用App Inventor扩展实现多点触控：Scale Detector
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Web安全测试之XSS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...文和很多的字符是不允许出现在url中的。
例如在baidu中搜索"测试汉字"。 URL会变成
http://www.baidu.com/s?wd=%B2%E2%CA%D4%BA%BA%D7%D6&rsv_bp=0&rsv_spt=3&inputT=7477
所谓URL编码就是： 把所有非字母数字字符都将被替换成百分号（%）后跟两位...
Retrieve only the queried element in an object array in MongoDB collection
Suppose you have the following documents in my collection:
14 Answers
14
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Does Python SciPy need BLAS?
...y distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then statically link to the Fortran libraries BLAS and LAPACK:
mkdir -p ~/src/
cd ~/src/
wget http://www.netlib.org/blas/blas.tgz
tar xzf blas.tgz
cd BLAS-*
#...
Get a list of all git commits, including the 'lost' ones
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indeed. probably the easiest way to recover from that situation will be to look at the reflog for HEAD itself.
– araqnid
Jan 24 '11 at 21:29
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Why do we need C Unions?
...er:
u.f = 3.14159f;
printf("As integer: %08x\n", u.i);
Although this is technically undefined behavior according to the C standard (you're only supposed to read the field which was most recently written), it will act in a well-defined manner in virtually any compiler.
Unions are also sometimes us...