ibanez270dx’s gists

ibanez270dx / gist:937632f667660c4e01e4058f66237a2f

Created February 28, 2018 20:17

english dictionary

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ibanez270dx / snippet1.rb

Created June 19, 2016 09:34

Snippets from my blog post "Better Conditional Validations in Rails"

	class Person < ActiveRecord::Base
	validates :surname, presence: true, if: "name.nil?"
	end

ibanez270dx / setup.md

Last active June 16, 2016 17:06

Server Setup

Update and upgrade the system

sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade && sudo apt-get autoremove
sudo reboot

sudo dpkg-reconfigure tzdata
sudo apt-get install -y ntp

ibanez270dx / filestack.rb

Last active June 4, 2016 21:19

Helper for displaying an image using filestack.com and their conversion options

	# Usage:
	# <%= filestack_image_tag post.filestack_url, resize: { width: 100, height: 200, fit: crop }, oil_paint: { amount: 7 } %>
	#
	# => https://process.filestackapi.com/[FILESTACK API KEY]/resize=width:72,height:72,fit:crop/oil_paint=amount:7/https://cdn.filestackcontent.com/abc23...

	def filestack_image_tag(url, task_options={}, image_tag_options={})
	base_path = "https://process.filestackapi.com/#{Rails.application.config.filestack_api_key}"
	task_path = task_options.collect do \|task, options\|
	"#{task.to_s}=#{options.collect{\|k,v\| "#{k}:#{v}"}.join(',')}"
	end.join('/')

ibanez270dx / tracerpoint-example.rb

Created May 22, 2016 21:10

Using tracerpoint

	def tracerpoint
	calls = []
	trace = TracePoint.new(:call, :c_call) do \|tp\|
	calls << [tp.defined_class, tp.method_id, tp.lineno]
	end
	trace.enable
	yield
	trace.disable
	{
	calls: calls.group_by(&:itself).map {\|k, v\| {k => v.length}}.sort_by {\|h\| -h.values.first},

ibanez270dx / example.rb

Last active July 14, 2016 03:46

TracerPoint

	# Setup ActiveRecord
	require 'active_record'
	ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: 'benchmark.db')
	ActiveRecord::Migration.class_eval { create_table :users } unless ActiveRecord::Base.connection.table_exists? 'users'
	class User < ActiveRecord::Base;end

	# Use TracerPoint
	user = User.new
	trace = tracerpoint do
	puts user.present?

ibanez270dx / prompt.sh

Created January 11, 2016 15:59

	#!/usr/bin/env bash

	##################################################
	# Bash Prompt
	##################################################

	# Current configuration produces:
	# 00:00:50 jeff@edison:~/Dev/humani.se (git:master:156d0b4) ruby-2.2.0
	# → _

ibanez270dx / scraper.rb

Last active September 27, 2017 14:35

Use Capybara w/ Poltergeist (PhantomJS) to scrape the text content from the body of an HTML page located at the given URL.

	#!/usr/bin/env ruby
	require 'capybara'
	require 'capybara/poltergeist'

	class Scraper
	include Capybara::DSL
	Capybara.register_driver :poltergeist do \|app\|
	Capybara::Poltergeist::Driver.new app,
	phantomjs_options: ['--load-images=no','--ignore-ssl-errors=yes'],
	js_errors: false,

ibanez270dx / deflate.rb

Last active October 28, 2015 13:43

Turn a hash into a sorted array of strings in order to compare to another hash

	def deflate(hash)
	hash.collect do \|k,v\|
	[k.to_s].push v.is_a?(Hash) ? v.to_a.flatten : v
	end.flatten.collect(&:to_s).sort
	end

	event1 = { foo: 'bar', bars: [4,6,10] }
	event2 = { bars: [10,4,6], foo: 'bar' }

	event1 == event2

ibanez270dx / gist:75b935176a3dfaa7fdce

Created October 27, 2015 01:22

iTerm2 drop down over full-screen'd apps


	Open iTerm2 over full-screen'd apps (HACK)
	------------------------------------------
	READ: https://gitlab.com/gnachman/iterm2/issues/1570

	defaults write /Applications/iTerm.app/Contents/Info LSUIElement true