Kyle Cannon kylecannon

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

export LANGUAGE="en_US.UTF-8" 
export LANG="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
locale-gen en_US.UTF-8 
dpkg-reconfigure locales

apt-get install unzip libpcre3 libpcre3-dev libssl-dev libpcrecpp0 zlib1g-dev debhelper dh-systemd libgeoip-dev autotools-dev libgd2-noxpm-dev libluajit-5.1-dev libmhash-dev libpam0g-dev libperl-dev po-debconf libexpat-dev libxslt1-dev

Magento Enterprise 1.12 cluster

Scaling Magento presentation with 60 slides and notes, which was then reviewed by Alan Storm.

Awesome PHP

Awesome PHP has been relocated permanently to its own Github repository. No further updates will made to this gist.

Please open an issue for any new suggestions.

	import Rx from 'rxjs';
	import { ActionsObservable } from 'redux-observable';
	import { ajax } from 'rxjs/observable/dom/ajax';

	import { loadGames } from '../../src/epics/games';

	import { ajax } from 'rxjs/observable/dom/ajax';
	jest.mock('rxjs/observable/dom/ajax', () => ({
	ajax: jest.fn(),
	}));

	ramfs:
	rm -r tmp
	mkdir tmp
	sudo mount -t tmpfs -o size=512m tmpfs ./tmp


	clean:
	rm -r tmp/*
	rm dist/build.js

	# import config.
	# You can change the default config with `make cnf="config_special.env" build`
	cnf ?= config.env
	include $(cnf)
	export $(shell sed 's/=.*//' $(cnf))

	# import deploy config
	# You can change the default deploy config with `make cnf="deploy_special.env" release`
	dpl ?= deploy.env
	include $(dpl)

	#!/bin/sh
	# Script to boot strap new EC2 instances and get them connected to our Puppet Enterprise master

	rpm --quiet -q git rubygems \|\| yum -y install git rubygems

	if rpm --quiet -q pe-puppet; then
	# Puppet Enterprise is already installed, let's reconfigure it - this instance was most likely booted up in the past, or is using an AMI that already has Puppet baked in

	service pe-puppet stop
	cat > /etc/puppetlabs/puppet/puppet.conf <<EOF


	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'