Madrigal

# Command line utility to send attachments to your kindle
# It supports sending a PDF in both regular form and with the convert option
# and sending to the regular (@kindle.com) or free Kindle mail (@free.kindle.com)

# The only argument it has is the name of the file to send. It will detect if
# it is a pdf and treat it accordingly.

## Preferences
# If true, send one version with pdf as-is, another with 'convert' subject
# else, just send the pdf version

skwp

require 'spec/support/grep_matcher'

describe do
  disallow_presence_of pattern: "send(.*#",
    location: "app/",
    description: "Do not use dynamic method invocations",
    failure: "Please change dynamic method call to something more sane."
end

ptrv

package main

import (
	"database/sql"
	"github.com/mattn/go-sqlite3"
	"log"
	"os"
)

func runQuery(db *sql.DB, query string) {

aras-p

// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,

avdi

defmodule Life do
  def run(board) when is_binary(board) do
    board |> parse_board |> run
  end

  def run(board) do
    IO.write("\e[H\e[2J")
    Life.print_board board    
    :timer.sleep 1000
    board = next_board(board)

ethnt

# ...
gem 'sidekiq'
gem 'slim'
# ...

markbates

If you're writing web applications with Ruby there comes a time when you might need something a lot simpler, or even faster, than Ruby on Rails or the Sinatra micro-framework. Enter Rack.

Rack describes itself as follows:

Rack provides a minimal interface between webservers supporting Ruby and Ruby frameworks.

Before Rack came along Ruby web frameworks all implemented their own interfaces, which made it incredibly difficult to write web servers for them, or to share code between two different frameworks. Now almost all Ruby web frameworks implement Rack, including Rails and Sinatra, meaning that these applications can now behave in a similar fashion to one another.

At it's core Rack provides a great set of tools to allow you to build the most simple web application or interface you can. Rack applications can be written in a single line of code. But we're getting ahead of ourselves a bit.

cheald

RSpec.configure do |c|
  def profile
    result = RubyProf.profile { yield }
    name = example.metadata[:full_description].downcase.gsub(/[^a-z0-9_-]/, "-").gsub(/-+/, "-")
    printer = RubyProf::CallTreePrinter.new(result)
    open("tmp/performance/callgrind.#{name}.#{Time.now.to_i}.trace", "w") do |f|
      printer.print(f)
    end
  end

gatlin

#!/bin/bash

# source: http://www.haskell.org/pipermail/haskell-cafe/2011-March/090170.html

sudo rm -rf /Library/Frameworks/GHC.framework
sudo rm -rf /Library/Frameworks/HaskellPlatform.framework
sudo rm -rf /Library/Haskell
rm -rf ~/.cabal
rm -rf ~/.ghc
rm -rf ~/Library/Haskell

passcod

# ...
gem 'sidekiq'
# ...