Sebastian Sauer basti1253

RxJS 5 Operators By Example

⚠️ UPDATE: I have moved the contents of this gist plus more to http://www.learnrxjs.io and https://github.com/btroncone/learn-rxjs. For expanded examples, explanations, and resources, please check out this new location!

A complete list of RxJS 5 operators with easy to understand explanations and runnable examples.

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

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

	#!/usr/bin/env bash
	# Runs a command wrapped in btrfs snapper pre-post snapshots.
	# Usage: $ snp <commands>
	# e.g.: $ snp pacman -Syyu
	# Requirements: snapper (https://wiki.archlinux.org/title/snapper)
	# The latest version of this script is hosted at https://gist.github.com/erikw/5229436

	log_path="/var/local/log/snp"
	date=$(date "+%Y-%m-%d-%H%M%S")
	log_file="${log_path}/snp_${date}.log"

	<?php

	require_once __DIR__ . '/../lib/vendor/Silex/silex.phar';

	$app = new Silex\Application();

	$app['debug'] = true;

	// Registering Symfony\Yaml and Symfony\Config
	$app['autoloader']->registerNamespace('Symfony', __DIR__.'/../lib/vendor/symfony/src');