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How to install Homebrew on OS X?
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It's on the top of the Homebrew homepage.
From a Terminal prompt:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
The command brew install wget is an example of how to use Homebrew to install another application (in this cas...
In Python script, how do I set PYTHONPATH?
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Is there a reason to prefer this answer over the one from @DavidZ ?
– Dror
Sep 8 '14 at 7:48
If ...
What is getattr() exactly and how do I use it?
...ct.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.
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Split Java String by New Line
...ex (regular expressions). Since Java 8 regex supports \R which represents (from documentation of Pattern class):
Linebreak matcher
\R Any Unicode linebreak sequence, is equivalent to
\u000D\u000A|[\u000A\u000B\u000C\u000D\u0085\u2028\u2029]
So we can use it to mat...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...k on our new HPC.
Both the hardware as well as the software stack changed from the setup in the original answer.
I put the results in a google spreadsheet (contains also the results from the original answer).
Hardware
Our HPC has two different nodes one with Intel Sandy Bridge CPUs and one with ...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... so far for clocks in Linux and OS X:
time() returns the wall-clock time from the OS, with precision in seconds.
clock() seems to return the sum of user and system time. It is present in C89 and later. At one time this was supposed to be the CPU time in cycles, but modern standards like POSIX requ...
How to escape os.system() calls?
...e desirable.It's interesting how their implementations are quite different from each other, and also much more complicated than Greg Hewgill's answer.
– Laurence Gonsalves
Oct 4 '10 at 16:47
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Python, add trailing slash to directory string, os independently
...os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
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Upgrade Node.js to the latest version on Mac OS
...de.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there any step that I have missed? Or, should I thoroughly uninstall the old version before installing the...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...版本，以及用户使用何种浏览器等信息，本文主要提供getOS、getBrowser、getBrowserVer三个方法，对网上各方法进行测试汇总整理，持续更新希望能成为最佳实现，欢迎大家多提意见。一、获取操作系统信息：
/**
* 获取os信息
*
...