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How to duplicate virtualenv

...t to install (or have already installed in case of file generated by pip), and what versions they're at. To generate a requirements file, go into your original virtualenv, and run: pip freeze > requirements.txt This will generate the requirements.txt file for you. If you open that file up in ...
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Compile, Build or Archive problems with Xcode 4 (and dependencies)

...ed over the past several weeks to cover more general issues with xcode4 (and upgrading projects form older xcode s). 14 ...
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String contains - ignore case [duplicate]

...ks if CharSequence contains a search CharSequence irrespective of case, handling null. Case-insensitivity is defined as by String.equalsIgnoreCase(String). A null CharSequence will return false. This one will be better than regex as regex is always expensive in terms of performance. For ...
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How to find if directory exists in Python

...en classes are callable. Also, functions are first-class values in Python, and you can use them without the parentheses notation, like in existing = filter(os.path.isdir(['/lib', '/usr/lib', '/usr/local/lib']) – phihag Mar 30 '13 at 7:38 ...
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Regular expression to extract text between square brackets

...ollowing regex globally: \[(.*?)\] Explanation: \[ : [ is a meta char and needs to be escaped if you want to match it literally. (.*?) : match everything in a non-greedy way and capture it. \] : ] is a meta char and needs to be escaped if you want to match it literally. ...
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How to use MySQLdb with Python and Django in OSX 10.6?

... I had the same error and pip install MySQL-python solved it for me. Alternate installs: If you don't have pip, easy_install MySQL-python should work. If your python is managed by a packaging system, you might have to use that system (e.g. sudo...
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Get the string representation of a DOM node

Javascript: I have the DOM representation of a node (element or document) and I'm looking for the string representation of it. E.g., ...
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Coding Style Guide for node.js apps? [closed]

... I'd review the coding standards checked by JSLint or look at the author of NPM (Isaac Shlueter's) coding standards. You could also look at the style used by notable Node.JS coders: TJ Holowaychuk Isaac Shlueter Tim Caswell Jeremy Ashkenas Felix G...
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Removing index column in pandas when reading a csv

I have the following code which imports a CSV file. There are 3 columns and I want to set the first two of them to variables. When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column? ...
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How to remove the default link color of the html hyperlink 'a' tag?

...default color of the html element is black. The default colour of the body and of a paragraph is inherited. This <a href="http://example.com">link</a> would normally take on the default link or visited color, but has been styled to inherit the color from the paragraph.</p> ...