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@blairanderson
blairanderson / DependencyInjectionInRuby.md
Last active Jun 19, 2019
Dependency Injection in Ruby. Originally from Jim Weirich’s blog which does not exist except for googles cache.
View DependencyInjectionInRuby.md

Dependency Injection in Ruby 07 Oct 04

Introduction

At the 2004 Ruby Conference, Jamis Buck had the unenviable task to explain Dependency Injection to a bunch of Ruby developers. First of all, Dependency Injection (DI) and Inversion of Control (IoC) is hard to explain, the benefits are subtle and the dynamic nature of Ruby make those benefits even more marginal. Furthermore examples using DI/IoC are either too simple (and don’t convey the usefulness) or too complex (and difficult to explain in the space of an article or presentation). I once attempted to explain DI/IoC to a room of Java programmers (see onestepback.org/articles/dependencyinjection/), so I can’t pass up trying to explain it to Ruby developers.

Thanks goes to Jamis Buck (the author of the Copland DI/IoC framework) who took the time to review this article and provide feedback.

What is Dependency Injection?

@clayton
clayton / ffmpeg-install.sh
Created Aug 9, 2013
Install FFMPEG on OS X with HomeBrew to convert Mp4 to WebM
View ffmpeg-install.sh
# Installation
brew install ffmpeg --with-vpx --with-vorbis --with-libvorbis --with-vpx --with-vorbis --with-theora --with-libogg --with-libvorbis --with-gpl --with-version3 --with-nonfree --with-postproc --with-libaacplus --with-libass --with-libcelt --with-libfaac --with-libfdk-aac --with-libfreetype --with-libmp3lame --with-libopencore-amrnb --with-libopencore-amrwb --with-libopenjpeg --with-openssl --with-libopus --with-libschroedinger --with-libspeex --with-libtheora --with-libvo-aacenc --with-libvorbis --with-libvpx --with-libx264 --with-libxvid
# Easy Peasy
ffmpeg -i video.mp4 video.webm
@steve-kertes
steve-kertes / get_books_on_shelf.py
Last active Dec 8, 2018 — forked from gpiancastelli/goodreads-oauth-example.py
A Python example of how to use OAuth on GoodReads. Includes scripts to pull list of books that are on a shelf and to add all owned books to a shelf.
View get_books_on_shelf.py
from string import Template
import oauth2 as oauth
import urlparse
import urllib
import time
import xml.dom.minidom
import sys, getopt
# If you get 'Title Messed Up By Unicode Error' messages try
# export PYTHONIOENCODING=utf-8
@juanplopes
juanplopes / dfa.py
Last active May 20, 2019
simple dfa in python
View dfa.py
class Automaton:
def __init__(self, nstates):
self.transitions = [{} for i in range(nstates)]
self.accept_states = [False] * nstates
def register(self, source_state, char, target_state):
self.transitions[source_state][char] = target_state
def register_accept(self, state):
self.accept_states[state] = True
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