André Luiz Leoni andreleoni

🎮

playing software development

I'm a developer in love with beautiful code.

andreleoni / postgres_queries_and_commands.sql

Created April 11, 2018 21:09 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

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

andreleoni / measure.rb

Created February 1, 2018 13:16 — forked from camertron/measure.rb

Measure the memory taken by a Ruby object (by Robert Klemme)

	#!/bin/env ruby

	# lazy hack from Robert Klemme

	module Memory
	# sizes are guessed, I was too lazy to look
	# them up and then they are also platform
	# dependent
	REF_SIZE = 4 # ?
	OBJ_OVERHEAD = 4 # ?

andreleoni / rspec_cheatsheet_controller_spec.rb

Created August 10, 2017 12:59 — forked from eliotsykes/rspec_cheatsheet_controller_spec.rb

RSpec Cheatsheet

	require 'rails_helper'

	RSpec.describe TodosController, :type => :controller do

	describe "GET #index" do
	#describe "POST #create" do
	#describe "GET #show" do
	#describe "PATCH #update" do (or PUT #update)
	#describe "DELETE #destroy" do
	#describe "GET #new" do