paulirish

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

n0531m

#!/bin/bash 

# https://cloud.google.com/compute/docs/faq#find_ip_range
# nslookup -q=TXT _cloud-netblocks.googleusercontent.com  8.8.8.8

myarray=()
for LINE in `dig txt _cloud-netblocks.googleusercontent.com +short | tr " " "\n" | grep include | cut -f 2 -d :`
do
	myarray+=($LINE)
	for LINE2 in `dig txt $LINE +short | tr " " "\n" | grep include | cut -f 2 -d :`

clintongormley

# [Mon Jan 16 11:23:14 2012] Protocol: http, Server: 192.168.5.10:9200
curl -XPUT 'http://127.0.0.1:9200/users/?pretty=1'  -d '
{
   "mappings" : {
      "info" : {
         "_all" : {
            "type" : "string",
            "analyzer" : "uax_url_email"
         },
         "properties" : {