Chris Irish supairish

1. Get your IP Address

echo `ifconfig $(netstat -nr | grep -e default -e "^0\.0\.0\.0" | head -1 | awk '{print $NF}') | grep -e "inet " | sed -e 's/.*inet //' -e 's/ .*//' -e 's/.*\://'`

2. Modify your hosts file

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

Installing ngrok on OSX

For Homebrew v2.6.x and below:

brew cask install ngrok

For Homebrew v2.7.x and above:

Integrate Gem/Engine and main Rails app

Overview

Paths
Routes
Add functionality to controller
Improving (Extending or overriding) Engine functionality
Helpers
Assets

	# app/jobs/example_job.rb

	class ExampleJob < ActiveJob::Base
	queue_as :default

	rescue_from(ActiveRecord::RecordNotFound) do
	retry_job wait: 1.minute, queue: :default
	end

	def perform(param_1, param_2)

	describe "My page" do
	it "lists the item" do
	item = create_item

	within item_row(item) do
	expect(page).to mention_item(item)
	end
	end

	private

	export default Ember.Component.extend({
	interval: 1000,
	timer: null,
	startTimer() {
	const timer = Ember.run.later(this, () => {
	this.sendAction('tick');
	this.startTimer();
	}, this.get('interval'));
	this.set('timer', timer);
	},

	# Compresses all .js and .css files under the assets path.
	namespace :deploy do
	# It is important that we execute this after :normalize_assets because
	# ngx_http_gzip_static_module recommends that compressed and uncompressed
	# variants have the same mtime. Note that gzip(1) sets the mtime of the
	# compressed file after the original one automatically.
	after :normalize_assets, :gzip_assets do
	on release_roles(fetch(:assets_roles)) do
	assets_path = release_path.join('public', fetch(:assets_prefix))
	within assets_path do

	# to generate your dhparam.pem file, run in the terminal
	openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048