staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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mlynch

Single Page Apps are ruling the world and AngularJS is leading the charge. But many of the lessons we learned in the Web 2.0 era no longer apply, and few are as drastically different as authentication.

CORS

CORS is an oft-misunderstood feature of new browsers that is configured by a remote server. CORS stands for Cross-Origin-Resource-Sharing, and was designed to make it possible to access services outside of the current origin (or domain) of the current page.

Like many browser features, CORS works because we all agree that it works. So all major browsers like Chrome, Firefox, and IE support and enforce it. By using these browsers, you benefit from the security of CORS.

That means certain browsers do not enforce it, so it is not relevant there. One large example is a native Web View for things like Cordova and Phonegap. However, these tools often have configuration options for whitelisting domains so you can add some security that way.

sararob

/* 

This example shows how you can use your data structure as a basis for 
your Firebase security rules to implement role-based security. We store
each user by their Twitter uid, and use the following simplistic approach
for user roles:

0 - GUEST
10 - USER
20 - MODERATOR

filipbec

Keys for obtaining US Driver's license data

Standard for US Driver's Licenses defines 9 different barcode standards (AAMVA versions) with over 80 different fields encoded inside a barcode. Some fields exist on all barcode standards, other exist only on some. To standardize the API, we have structured the fields in the following sections:

1. Determining AAMVA version
2. Keys existing on all barcode versions
   • Mandatory values
     • Personal data
     • License data
   • Optional values

adammw

(function() {
  var hash = {};
  var anonymise = function() {
    // Handle links to user profiles, e.g. those shown when someone likes a post
    Array.prototype.forEach.call(document.querySelectorAll('[data-hovercard*="user.php"], [data-hovercard*="hovercard.php"]'), function(hovercardLink) {
      if (!hovercardLink.dataset.hovercard) return;
      var id = /id=(\d+)/.exec(hovercardLink.dataset.hovercard)[1];
      var hue = hash[id] = hash[id] || (Math.random() * 360);
    
      hovercardLink.style.background = 'hsl(' + hue + ',55%,60%)';

magicznyleszek

CSS Selectors Cheatsheet

Hi! If you see an error or something is missing (like :focus-within for few years :P) please let me know ❤️

Element selectors

Element -- selects all h2 elements on the page

h2 {

shawndumas

var partial = function () {
  var toArray = function (a) { return [].slice.call(a); },
      appliedArgs = toArray(arguments),
      fn = appliedArgs.shift(),
      placeholderPositions = appliedArgs.map(function (e, i) {
        if (e === '_') { return i; }
      }).join('').split('');
  
  return function () {
    var args = toArray(arguments);

prakhar1989

Rich Hickey on becoming a better developer

Rich Hickey • 3 years ago

Sorry, I have to disagree with the entire premise here.

A wide variety of experiences might lead to well-roundedness, but not to greatness, nor even goodness. By constantly switching from one thing to another you are always reaching above your comfort zone, yes, but doing so by resetting your skill and knowledge level to zero.

Mastery comes from a combination of at least several of the following:

justinobney

var clientSide = [
  'javascript',
  'elm',
  'ember',
  'angular',
  'jquery',
  'backbone',
  'react',
  'reactjs',
  'clojurescript',

bobbygrace

Hello, visitors! If you want an updated version of this styleguide in repo form with tons of real-life examples… check out Trellisheets! https://github.com/trello/trellisheets

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Trello CSS Guide

“I perfectly understand our CSS. I never have any issues with cascading rules. I never have to use !important or inline styles. Even though somebody else wrote this bit of CSS, I know exactly how it works and how to extend it. Fixes are easy! I have a hard time breaking our CSS. I know exactly where to put new CSS. We use all of our CSS and it’s pretty small overall. When I delete a template, I know the exact corresponding CSS file and I can delete it all at once. Nothing gets left behind.”

You often hear updog saying stuff like this. Who’s updog? Not much, who is up with you?