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# include following in .bashrc / .bash_profile / .zshrc
# usage
# $ mkvenv myvirtualenv # creates venv under ~/.venv/
# $ venv myvirtualenv   # activates venv
# $ deactivate          # deactivates venv
# $ rmvenv myvirtualenv # removes venv

export VENV_HOME="$HOME/.venv"
[[ -d $VENV_HOME ]] || mkdir $VENV_HOME

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How to use a PS3 controller on Mac OS X 10.7 (Lion)

1. Open Apple menu -> System Preferences -> Bluetooth and disable Bluetooth on Mac as well as any other nearby Macs or devices which will try to pair with and confuse the controller.

2. Reset PS3 controller by inserting paperclip into pinhole near L2 button.

3. Connect PS3 controller to Mac with USB cable.

4. Enable Bluetooth.

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{% for post in site.posts limit:5 %}
  <div class="box">
    <h3>{{post.title}}</h3>
    <div class="clearfix"></div>
    <div class="right big">
      {% assign breakIndex = -1 %}
      {% for element in post.content %}
        {% if element contains '<!--more-->' %}
          {% assign breakIndex = forloop.index %}
        {% endif %}

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Sass/Less Comparison

In this document I am using Sass's SCSS syntax. You can choose to use the indented syntax in sass, if you prefer it, it has no functional differences from the SCSS syntax.

For Less, I'm using the JavaScript version because this is what they suggest on the website. The ruby version may be different.

Variables

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One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

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require 'open-uri'
require 'hpricot'

user, project = ARGV # 'tobi', 'liquid'
fail "get-github-wiki <username> <projectname>" unless user and project

uri = "http://wiki.github.com/#{user}/#{project}"
xpath = "div.sidebar/ul[1]//a"
command = %w[wget -t 2 -mkc --no-parent]

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(a gist based on the old toolmantim article on setting up remote repos)

To collaborate in a distributed development process you’ll need to push code to remotely accessible repositories.

This is somewhat of a follow-up to the previous article setting up a new rails app with git.

For the impatient

Set up the new bare repo on the server:

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#include <stdio.h>

/* BEGIN HACKERY */

typedef struct field {
    enum {
      TABLE_NAME,
      TABLE_FIELD,
      TABLE_TERMINATOR
    } tag;