Kir Belevich deepsweet

2015-01-29 Unofficial Relay FAQ

Compilation of questions and answers about Relay from React.js Conf.

Disclaimer: I work on Relay at Facebook. Relay is a complex system on which we're iterating aggressively. I'll do my best here to provide accurate, useful answers, but the details are subject to change. I may also be wrong. Feedback and additional questions are welcome.

What is Relay?

Relay is a new framework from Facebook that provides data-fetching functionality for React applications. It was announced at React.js Conf (January 2015).

The Modern.ie Virtual Machine Images – VMs used for testing several versions of IE – are now also available as vagrant boxes. Here’s the list:

XP with IE6: http://aka.ms/vagrant-xp-ie6
XP with IE8: http://aka.ms/vagrant-xp-ie8
Vista with IE7: http://aka.ms/vagrant-vista-ie7
Windows 7 with IE8: http://aka.ms/vagrant-win7-ie8
Windows 7 with IE9: http://aka.ms/vagrant-win7-ie9
Windows 7 with IE10: http://aka.ms/vagrant-win7-ie10
Windows 7 with IE11: http://aka.ms/vagrant-win7-ie11
Windows 8 with IE10: http://aka.ms/vagrant-win8-ie10

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

Atom Clojure Setup

This describes how I setup Atom for an ideal Clojure development workflow. This fixes indentation on newlines, handles parentheses, etc. The keybinding settings for enter (in keymap.cson) are important to get proper newlines with indentation at the right level. There are other helpers in init.coffee and keymap.cson that are useful for cutting, copying, pasting, deleting, and indenting Lisp expressions.

Install Atom

Download Atom

The Atom documentation is excellent. It's highly worth reading the flight manual.

https://telegram.me/zavtracast Официальный канал Завтракаста - подкаста об играх, медиа, технологиях

https://telegram.me/webstandards_ru Ежедневные новости фронтенда от «Веб-стандартов»

https://telegram.me/addmeto филиал addmeto.сс на земле

https://telegram.me/techsparks Аннотированные ссылки на интересные, полезные и удивительные новости хайтека (ведет @asebrant)

https://telegram.me/globchan Новостной канал о мире, науке и технологиях

	var path = require('path');
	var webpack = require('webpack');

	var reactNativeExternalsPromise = (function () {
	var reactNativeRoot = path.dirname(require.resolve('react-native/package'));
	var blacklist = require('react-native/packager/blacklist');
	var ReactPackager = require('react-native/packager/react-packager');
	const rnEntryPoint = require.resolve('react-native');

	return ReactPackager.getDependencies({

	#!/bin/sh

	# This script runs every other night at 04:56 CET on a webserver I maintain
	# Results are always at: https://jult.net/block.txt ( or https://jult.net/block.txt.gz )
	# And much smaller, stripped of BS; https://jult.net/bloc.txt
	# For use in Tixati IP filter: https://jult.net/bloc.txt.gz !!!
	# And finally a txt file with just the bold IP-ranges: https://jult.net/bl.txt (or https://jult.net/bl.txt.gz )

	# Download open block-lists, unpack, filter:
	curl -s https://www.iblocklist.com/lists.php \| grep -A 2 Bluetack \| xargs wget -qO - --limit-rate=500k \| gunzip -f \| egrep -v '^#' > /tmp/xbp

	# In order for gpg to find gpg-agent, gpg-agent must be running, and there must be an env
	# variable pointing GPG to the gpg-agent socket. This little script, which must be sourced
	# in your shell's init script (ie, .bash_profile, .zshrc, whatever), will either start
	# gpg-agent or set up the GPG_AGENT_INFO variable if it's already running.

	# Add the following to your shell init to set up gpg-agent automatically for every shell
	if [ -f ~/.gnupg/.gpg-agent-info ] && [ -n "$(pgrep gpg-agent)" ]; then
	source ~/.gnupg/.gpg-agent-info
	export GPG_AGENT_INFO
	else

	# http://stackoverflow.com/a/28818420/484780
	git describe --abbrev=0 --tags `git rev-list --tags --skip=1 --max-count=1`