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@krisbulman
krisbulman / countCSSRules.js
Last active August 25, 2022 19:53 — forked from psebborn/countCSSRules.js
Count the number of rules and selectors for CSS files on the page. Flags up the >4096 threshold that confuses IE. — This snippet has been modified to count more than just the first level of CSSStyleRule objects within CSSMediaRule.
function countCSSRules() {
var results = '',
log = '';
if (!document.styleSheets) {
return;
}
for (var i = 0; i < document.styleSheets.length; i++) {
countSheet(document.styleSheets[i]);
}
function countSheet(sheet) {
@twokul
twokul / hidden-classes-in-js-and-inline-caching.md
Last active May 30, 2024 19:41
Hidden classes in JavaScript and Inline Caching

Hidden classes in JavaScript and Inline Caching

Knowing how internals work is always a good. Pretty much for everything. Cars, trains, computers, you name it. It gives you an insight on what happens under the hood. You also act/react differently based on this knowledge.

As you might have guessed, it’s also true for web development. Knowledge of CSS transitions allows you to achieve better performance and not to use JavaScript in most cases. Knowledge of V8 internals allows you to write more performant JavaScript code. So let’s talk about V8 a little.

A little about V8

V8 is a JavaScript engine built by Google. Firefox built SpiderMonkey, Opera built Carakan and Microsoft built Chakra. One very important difference between V8 and other JavaScript engines is that V8 doesn’t generate any intermediate code. It compiles JavaScr

@vjpr
vjpr / README.md
Last active June 27, 2022 10:01
RPC for Chrome Packaged App to allow communication between sandbox and privileged environment

ChromeRPC

I will eventually turn this into a bower module when I have time with tests and the whole shebang.

Usage

background.html

@erichurst
erichurst / US Zip Codes from 2013 Government Data
Created December 9, 2013 23:00
All US zip codes with their corresponding latitude and longitude coordinates. Comma delimited for your database goodness. Source: http://www.census.gov/geo/maps-data/data/gazetteer.html
This file has been truncated, but you can view the full file.
ZIP,LAT,LNG
00601,18.180555, -66.749961
00602,18.361945, -67.175597
00603,18.455183, -67.119887
00606,18.158345, -66.932911
00610,18.295366, -67.125135
00612,18.402253, -66.711397
00616,18.420412, -66.671979
00617,18.445147, -66.559696
@wookiecooking
wookiecooking / aliases.sh
Created November 30, 2013 00:52
[Shell] Assortment of OSX influenced bash aliases and functions
# Rails Stuff
alias stoprails='kill -9 $(lsof -i :3000 -t)'
alias startrails='rails server -d'
alias restartrails='stopRails && startRails'
#Check PHP For Erroes
alias phpcheck='find ./ -name \*.php | xargs -n 1 php -l'
# ROT13-encode text. Works for decoding, too! ;)
alias rot13='tr a-zA-Z n-za-mN-ZA-M'
@kujohn
kujohn / portforwarding.md
Last active April 27, 2024 20:16
Port forwarding in Mavericks

Port Forwarding in Mavericks


Since Mavericks stopped using the deprecated ipfw (as of Mountain Lion), we'll be using pf to allow port forwarding.

####1. anchor file Create an anchor file under /etc/pf.anchors/<anchor file> with your redirection rule like:

@ejdyksen
ejdyksen / mini-console.html
Last active September 18, 2017 22:13
A tool for getting at a JS console when there is none available.
<div id="consolelog" style="font-family: 'Courier New', Courier, monospace; font-size: 12px; margin: 40px 30px 0px; background-color: white; border: 2px solid black; padding: 10px;"></div>
<input type="text" id="consoleinput" style="margin: 0px 30px; width: 400px;" onkeypress="return evalConsoleInput(event, this.value);" />
<script type="text/javascript">
var appendConsole = function(message, type) {
var color = "black";
if (type === "error") {
color = "red";
} else if (type === "debug") {
@jeremyckahn
jeremyckahn / inherit-by-proxy.js
Created May 10, 2013 04:25
Proxy-based inheritance pattern in JavaScript.
function inherit (child, parent) {
function proxy () {};
proxy.prototype = parent.prototype;
child.prototype = new proxy();
};
function Parent () {}
function Child () {}
inherit(Child, Parent);
@SlexAxton
SlexAxton / .zshrc
Last active April 25, 2023 03:57
My gif workflow
gifify() {
if [[ -n "$1" ]]; then
if [[ $2 == '--good' ]]; then
ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png
time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif
rm out-static*.png
else
ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif
fi
else