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:

Kartones

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

drnic

#!/bin/bash

# Assumes using nats CLI from https://github.com/soutenniza/nats/releases

DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
cd $DIR/..

bosh_target=$(cat .bosh_config | yaml2json | jq -r ".target")
manifest=$(cat .bosh_config | yaml2json | jq -r ".deployment[\"$bosh_target\"]")
mbus=$(cat $manifest | yaml2json | jq -r '.properties.nats | "nats://\(.user):\(.password)@\(.address):\(.port)"')

codeword

#!/usr/bin/env ruby

require 'yaml'
require 'optparse'

options = {
    target: 'local'
}

optparse = OptionParser.new do |opt|

karlkfi

#!/usr/bin/env bash

# Resizing a vagrant centos disk... the hard way

set -o errexit
set -o nounset
set -o pipefail
set -o xtrace

vagrant up