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How to find where gem files are installed
...t about your gem environment:
RubyGems Environment:
- RUBYGEMS VERSION: 2.1.5
- RUBY VERSION: 2.0.0 (2013-06-27 patchlevel 247) [x86_64-darwin12.4.0]
- INSTALLATION DIRECTORY: /Users/ttm/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0
- RUBY EXECUTABLE: /Users/ttm/.rbenv/versions/2.0.0-p247/...
get list of pandas dataframe columns based on data type
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How do I check if a string is unicode or ascii?
...Unicode characters. There is a bytes type that holds raw bytes.
In Python 2, a string may be of type str or of type unicode. You can tell which using code something like this:
def whatisthis(s):
if isinstance(s, str):
print "ordinary string"
elif isinstance(s, unicode):
pri...
What is the difference between String.slice and String.substring?
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slice() works like substring() with a few different behaviors.
Syntax: string.slice(start, stop...
Check if all elements in a list are identical
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Two versions of python on linux. how to make 2.7 the default
...ed by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?
On top of that, monkeying with /usr/bin can break your package manager's ability to manage packages. And changing the order of directories in your PATH will affect a lot of oth...
Regular Expression to reformat a US phone number in Javascript
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C++ preprocessor __VA_ARGS__ number of arguments
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ValueError: setting an array element with a sequence
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From the code you showed us, the only thing we can tell is that you are trying to create an ar...
how to rotate a bitmap 90 degrees
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You can also try this one
Matrix matrix = new Matrix();
matrix.postRotate(90);
Bitmap scale...