Chris Blackburn cblackburn-ajla

🏠

Working from home

Solutions Architect for AJLA

cblackburn-ajla / GIF-Screencast-OSX.md

Created May 18, 2021 16:39 — forked from dergachev/GIF-Screencast-OSX.md

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:

cblackburn-ajla / postgres_queries_and_commands.sql

Created April 1, 2020 19:20 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

cblackburn-ajla / rbenv-install-system-wide.sh

Created June 7, 2018 15:14 — forked from jpfuentes2/rbenv-install-system-wide.sh

CentOS: rbenv install and system wide install

	#!/bin/bash

	# CentOS rbenv system wide installation script
	# Forked from https://gist.github.com/1237417

	# Installs rbenv system wide on CentOS 5/6, also allows single user installs.

	# Install pre-requirements
	yum install -y gcc-c++ patch readline readline-devel zlib zlib-devel libyaml-devel libffi-devel openssl-devel \
	make bzip2 autoconf automake libtool bison iconv-devel git-core

cblackburn-ajla / gist:e72bfaa662befd533945770cab19bf21

Created January 25, 2018 21:16 — forked from iangreenleaf/gist:b206d09c587e8fc6399e

Rails naming conventions

Class names are CamelCase.

Methods and variables are snake_case.

Methods with a ? suffix will return a boolean.

cblackburn-ajla / watcher.rb

Created November 16, 2017 14:29

Watchers in ruby at the instance variable level.

	module Watcher

	# Ensure compatibility.
	def self.included( mod )
	mod.extend( self )
	end

	# Declare a watcher. The block or lambda will be invoked with argumens of what the value was and now is, in that
	# order.
	def watch( sym, lambda = nil, &block )