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@zhengjia
zhengjia / capybara cheat sheet
Created June 7, 2010 01:35
capybara cheat sheet
=Navigating=
visit('/projects')
visit(post_comments_path(post))
=Clicking links and buttons=
click_link('id-of-link')
click_link('Link Text')
click_button('Save')
click('Link Text') # Click either a link or a button
click('Button Value')
@jimbojsb
jimbojsb / gist:1630790
Created January 18, 2012 03:52
Code highlighting for Keynote presentations

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

@postpostmodern
postpostmodern / rails_bootstrap_delete_confirmation_modal.md
Created February 19, 2012 07:38 — forked from trey/rails_bootstrap_delete_confirmation_modal.md
A nice delete confirmation modal in Rails courtesy of Bootstrap

Here's what you get.

Some CoffeeScript (verbosely commented for clarity)

# Override Rails handling of confirmation

$.rails.allowAction = (element) ->
  # The message is something like "Are you sure?"
  message = element.data('confirm')
@avalonalex
avalonalex / RSA.py
Last active March 6, 2021 10:46
A implementation of RSA public key encryption algorithms in python, this implementation is for educational purpose, and is not intended for real world use. Hope any one want to do computation like (a^b mode n) effectively find it useful.
#!/usr/bin/env python
import argparse
import copy
import math
import pickle
import random
from itertools import combinations
@havenwood
havenwood / chruby_ruby-build.sh
Created November 27, 2012 20:46
On Debian, Ubuntu, or Mint: install Ruby with chruby and ruby-build
# Install apt-get packages:
sudo apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion pkg-config
# Install chruby:
cd
wget https://github.com/downloads/postmodern/chruby/chruby-0.2.3.tar.gz
tar -xzvf chruby-0.2.3.tar.gz
cd chruby-0.2.3
sudo make install
@jswanner
jswanner / migrate.rake
Last active April 1, 2021 22:05
Rolls back migrations in current branch not present in specified branch.
desc 'rolls back migrations in current branch not present in other'
task :rollback_branch_migrations, [:other_branch] do |t, args|
load "#{Dir.pwd}/Rakefile"
branch_migrations = BranchMigrations.new(args.other_branch)
puts ['Rollback the following migrations', branch_migrations, 'y,n? ']
next if %w[no n NO N].include?(STDIN.gets.chomp)
Rake::Task['environment'].invoke
@jsteiner
jsteiner / .vimrc
Last active August 29, 2016 03:15
Example .vimrc projections, including projections for Active Model Serializers, Draper, and FactoryGirl
let g:rails_projections = {
\ "config/projections.json": {
\ "command": "projections"
\ },
\ "spec/features/*_spec.rb": {
\ "command": "feature",
\ "template": "require 'spec_helper'\n\nfeature '%h' do\n\nend",
\ }}
let g:rails_gem_projections = {
@stevenyap
stevenyap / Capistrano 3.md
Created February 21, 2014 08:52
Capistrano 3 Setup

This guide explains the way to setup a production server using Capistrano.

Setup Capistrano on LOCAL

  • Capistrano is a development gem which assist the developer to run commands on the production server (something like a Heroku toolbelt)
  • Hence, it is installed and configured on developer's computer
# Gemfile

# Use Capistrano for deployment
@nicolasembleton
nicolasembleton / restart_bluetooth.sh
Last active May 11, 2024 17:43
Restart Bluetooth Daemon on Mac OS X without restarting
#!/bin/bash
sudo kextunload -b com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport
sudo kextload -b com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport
@tamoyal
tamoyal / gist:2ea1fcdf99c819b4e07d
Last active February 13, 2020 11:24
Upgrade Postgres 9.3 to 9.4 on Ubuntu
# Be sure to save your config files. Optional but I do:
sudo cp /etc/postgresql/9.3/main/postgresql.conf ~
sudo cp /etc/postgresql/9.3/main/pg_hba.conf ~
# Package repo (for apt-get)
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main" >> /etc/apt/sources.list.d/postgresql.list'
# Also probably optional but I like to update sources and upgrade
sudo apt-get update