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How do I update pip itself from inside my virtual environment?
I'm able to update pip-managed packages, but how do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
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ipython reads wrong python version
I've been having trouble with Python, iPython and the libraries. The following points show the chain of the problematics. I'm running Python 2.7 on Mac Lion.
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How to convert a factor to integer\numeric without loss of information?
When I convert a factor to a numeric or integer, I get the underlying level codes, not the values as numbers.
10 Answers
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
I installed MySQL on Mac OS X Mountain Lion with homebrew install mysql , but when I tried mysql -u root I got the following error:
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Deleting multiple elements from a list
Is it possible to delete multiple elements from a list at the same time? If I want to delete elements at index 0 and 2, and try something like del somelist[0] , followed by del somelist[2] , the second statement will actually delete somelist[3] .
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How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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How do you use variables in a simple PostgreSQL script?
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How can I find unused images and CSS styles in a website? [closed]
Is there a method (other than trial and error) I can use to find unused image files? How about CSS declarations for ID's and Classes that don't even exist in the site?
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How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
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原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
原子vector的一种实现源码(atomic-vector)atomic-vector来自Facebook的一种实现,源码如下: * +----------------------------------------------------------------------+ | HipHop for PHP 来自Facebook的一种实现,源码如下:
/*
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