mlr

Sometimes restart can leave PostgreSQL not running.

tail -n 100 /usr/local/var/log/postgresql@9.6.log

FATAL: lock file "postmaster.pid" already exists HINT: Is another postmaster (PID 470) running in data directory "/usr/local/var/postgresql@9.6"?

rm /usr/local/var/postgresql@9.6/postmaster.pid

benlinton

Multiple MySQL Versions for Development

Options included below:

• Using Docker docker-compose
• Using Homebrew brew

Using Docker (recommended)

This gist was originally created for Homebrew before the rise of Docker, yet it may be best to avoid installing mysql via brew any longer. Instead consider adding a barebones docker-compose.yml for each project and run docker-compose up to start each project's mysql service.

chantastic

Hi Nicholas,

I saw you tweet about JSX yesterday. It seemed like the discussion devolved pretty quickly but I wanted to share our experience over the last year. I understand your concerns. I've made similar remarks about JSX. When we started using it Planning Center, I led the charge to write React without it. I don't imagine I'd have much to say that you haven't considered but, if it's helpful, here's a pattern that changed my opinion:

The idea that "React is the V in MVC" is disingenuous. It's a good pitch but, for many of us, it feels like in invitation to repeat our history of coupled views. In practice, React is the V and the C. Dan Abramov describes the division as Smart and Dumb Components. At our office, we call them stateless and container components (view-controllers if we're Flux). The idea is pretty simple: components can't

sponomarev

# remove
/usr/libexec/PlistBuddy -c 'Add :LSUIElement bool true' /Applications/iTerm.app/Contents/Info.plist

# restore
/usr/libexec/PlistBuddy -c 'Delete :LSUIElement' /Applications/iTerm.app/Contents/Info.plist

sao

createuser --no-createdb --no-createrole --no-superuser [username]
createdb --owner [username] --encoding utf8 [database]
pg_restore --verbose --clean --no-acl --no-owner -h localhost -U [username] -d [database] -p 5432 [data_file]

PGUSER=[username] heroku pg:pull HEROKU_POSTGRESQL_NAME [local_database] --app app-name

sao

module Paperclip
  class Masker < Processor
    def initialize file, options = {}, attachment = nil
      super
      @format = File.extname(@file.path)
      @basename = File.basename(@file.path, @format)
    end

    def make
      source      = @file

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

ryanb

module Abilities
  def self.ability_for(user)
    if user.admin?
      AdminAbility.new(user)
    else user
      MemberAbility.new(user)
    else
      GuestAbility.new
    end
  end

mikehaertl

Learn you a Haskell - In a nutshell

This is a summary of the "Learn You A Haskell" online book under http://learnyouahaskell.com/chapters.

---

1. Introduction

• Haskell is a functional programming language.

marktheunissen

This playbook has been removed as it is now very outdated.