Mac Install PyQt 4 (not 5)

Install Python3 on OS X, virtualenv & virtualenvwrapper

OpenCV follows BGR order, while matplotlib follows RGB order.

python3.4.3 already installed, it's just not linked

Installing scientific Python on Mac OS X

Installing OpenCV 3.0.0 on Ubuntu 14.04

一起用python之准备篇——ipython

Installing scikit-learn on Ubuntu 14.04 ---------> Python 3

scikit-learn intallation

scikit-learn 安装 Ubuntu 13.10

How to install nltk3 for python3?

Iterating over Dictionaries…For Loops in Python