davidsonfellipe

function load(url, callback) {

    var xhr = new XMLHttpRequest();

    xhr.onreadystatechange = onReady;

    function onReady() {

        if(xhr.readyState < 4 || xhr.status !== 200) {
            return;

davidsonfellipe

Meus Contatos:

• http://github.com/davidsonfellipe
• https://twitter.com/davidsonFellipe
• http://www.linkedin.com/in/fellipe
• http://fellipe.com/blog/
• https://www.facebook.com/fellipe

Links falados no Hangout:

davidsonfellipe

$ workon default

$ brew install jpeg

$ pip install --upgrade --no-install PIL

$ vim $VIRTUAL_ENV/build/PIL/setup.py
-> JPEG_ROOT = '/usr/local/Cellar/jpeg/8d/'
-> FREETYPE_ROOT = libinclude('/usr/X11')

davidsonfellipe

#CSS FTW My way to face the challenge: Maintainable + Efficient + Optimized

##General

• YSlow + Page Speed (Performance Rules)…
• CSSLint Rules…
• Don’t use too many web fonts talk to your designer, and explain the impact of loading many sources.

##Tools

davidsonfellipe

# capistrano
if which cap &> /dev/null; then
	echo "==> Checking capistrano... OK"
else
	echo "==> Installing capistrano (gem install capistrano)..."
	sudo gem install capistrano
	echo "==> OK"
fi

davidsonfellipe

if ! which mongod >/dev/null 2>&1 ; then
  if which brew >/dev/null 2>&1 ; then
    echo "==> Installing brew (brew update)..."
    brew update
    echo "==> Installing mongodb (brew install mongodb)..."
    brew install mongodb
  elif which port >/dev/null 2>&1 ; then
    echo "==> Installing mongodb (port install mongodb)..."
    port install mongodb
  else

davidsonfellipe

(A && B)
//Always evaluate A
//If A is true, evaluate B
 
(A || B)
//Always evaluate A
//If A is false, evaluate B
 
(A, B)
//Always evaluate A

davidsonfellipe

var setDelay = (function(){

	var timeout = 0;

	return function(callback, milliseconds){
	
		clearTimeout (timeout);
	
		timeout = setTimeout(callback, milliseconds);
	

davidsonfellipe

stable release:
$ git clone git://www.swi-prolog.org/home/pl/git/pl.git 

or 

development version:
git://www.swi-prolog.org/home/pl/git/pl-devel.git

$ cd pl-devel

davidsonfellipe

Install packages

• $ pip install SomePackage
• $ pip install ./downloads/SomePackage-1.0.4.tar.gz
• $ pip install http://my.package.repo/SomePackage-1.0.4.zip
• $ pip install -e path/to/SomePackage (edit mode)

Version control systems

• $ pip install git+https://github.com/simplejson/simplejson.git