zhang zdying

Updates without submitting to App Store

This is allowed for ReactNative apps. Source

AppHub.io is one option, open source coming soon.

Building a ReactNative app with Swift

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

	// Based on http://stackoverflow.com/a/10520017/1307721 and http://stackoverflow.com/a/16022728/1307721

	Podium = {};

	Podium.keydown = function(k) {
	var oEvent = document.createEvent('KeyboardEvent');

	// Chromium Hack
	Object.defineProperty(oEvent, 'keyCode', {
	get : function() {

	China stock api
	1.163_API(0-sh,1-sz):http://api.money.126.net/data/feed/1002151,0600036,hkHSI,hkHSCEI,hk00005
	2.QQ_API(sh,sz,s_simple data):http://qt.gtimg.cn/r=0.8409869808238q=s_sz000559,s_sz002434,s_sz002472,s_sz002488,hk00700
	3.sina_API(sh,sz,s_simple data):http://hq.sinajs.cn/list=sh600000,sh600004,hk00700,sz002594
	# 4.xueqiu_API:http://xueqiu.com/v4/stock/quote.json?code=02318,01211,SH000001,DJI30,HKHSI

	163
	日内实时盘口（JSON）：
	http://api.money.126.net/data/feed/1000002,1000001,1000881,0601398,money.api

	var chunkedUrl = 'https://jigsaw.w3.org/HTTP/ChunkedScript';
	fetch(chunkedUrl)
	.then(processChunkedResponse)
	.then(onChunkedResponseComplete)
	.catch(onChunkedResponseError)
	;

	function onChunkedResponseComplete(result) {
	console.log('all done!', result)
	}

	1 copy the file into /etc/init.d/xvfb
	2 chmod +x /etc/init.d/xvfb
	3 ./etc/init.d/xvfb start
	4 # some headless test here
	5 ./etc/init.d/xvfb stop

	function whatDoesItDo(val){

	return val ? 1 : 2;

	}