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jondkinney / popen3_test
Created Sep 10, 2017 — forked from chrisn/popen3_test
Ruby example of using Open3.popen3 with a select loop to read a child process's standard output and standard error streams.
View popen3_test
#!/usr/bin/env ruby
require 'open3'
# Returns true if all files are EOF
def all_eof(files)
files.find { |f| !f.eof }.nil?
# Script to (generate a script to) fix excess use of double-quotes in HAML.
# To use:
# haml-lint app/views/ > haml_errors
# grep "you don't need string interpolation" haml_errors | awk '{print $1}' > single_quote_me
# perl
# bash
# git commit -a -m "Use single-quotes in straightforward cases"
jondkinney / edgerouter-qos
Created Apr 16, 2016 — forked from beardicus/edgerouter-qos
EdgeRouter Lite QOS Settings
View edgerouter-qos
# fair-queue based settings for EdgeRouter Lite traffic shaping
# download is typically 30 and change. everything can burst to 100%
# of bandwidth, priority rules keep the garbage in check
set traffic-policy shaper download
set traffic-policy shaper download bandwidth 30Mbit
View missing_spec_generator.rb
require 'erb'
# lib/missing_spec_generator.rb
class MissingSpecGenerator
RAILS_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
def spec_file spec_path, file_name, spec_template, namespace
spec_name = file_name.gsub('.rb', '') + '_spec.rb'
if File.exist?("#{spec_path}/#{spec_name}")
puts "#{spec_path}/#{spec_name} exists"

Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh root@

Add ssh fingerprint and enter password provided in email

View auto_annotate_models.rake
# Run annotate task after db:migrate
# and db:rollback tasks
Rake::Task['db:migrate'].enhance do
Rake::Task['db:rollback'].enhance do
View gist:8759068
MyExceptions = [RangeError, RegexpError, IOError].freeze
raise IOError, "should be rescued"
rescue *MyExceptions => e
puts e
jondkinney / .vimrc
Created Jan 22, 2014
Ctags in Vim. Open in a new tab or a vertical split.
View .vimrc
" open ctag in tab/vertical split
map <C-\> :tab split<CR>:exec("tag ".expand("<cword>"))<CR>
map <leader><C-\> :vsp <CR>:exec("tag ".expand("<cword>"))<CR>

What is a unit in TDD - a unit of work. A use-case in the system.

3 options for a unit of work:

  • Return Value / Exception
  • Noticable State Change (adding a user for example)
  • 3rd Party Call (only place to use mock objects?)

More than just testing the implementation of the code that you're writing, or

View vimrc_main
" Reload Google Chrome on Mac from Vim.
" Adapted from:
function! ChromeReload()
python << EOF
from subprocess import call
browser = """
tell application "Google Chrome" to tell the active tab of its first window
end tell