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.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
| # First, install all of the things | |
| apt-get update | |
| apt-get install nginx | |
| /etc/init.d/nginx start | |
| apt-get install python-dev | |
| apt-get install python-pip | |
| apt-get install libjpeg-dev libpng-dev libtiff-dev libjasper-dev libgtk2.0-dev python-numpy python-pycurl libwebp-dev python-opencv libjpeg-progs | |
| ln -s /usr/lib/x86_64-linux-gnu/libjpeg.so /usr/lib | |
| pip install pillow |
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%w(action_controller/railtie coderay).each &method(:require)
| Dear soon-to-be-former user, | |
| We've got some fantastic news! Well, it's great news for us anyway. You, on | |
| the other hand, are fucked. | |
| We've just been acquired by: | |
| # These are my notes from the PragProg book on CoffeeScript of things that either | |
| # aren't in the main CS language reference or I didn't pick them up there. I wrote | |
| # them down before I forgot, and put it here for others but mainly as a reference for | |
| # myself. | |
| # assign arguments in constructor to properties of the same name: | |
| class Thingie | |
| constructor: (@name, @url) -> | |
| # is the same as: |