chrissimpkins

Use these rapid keyboard shortcuts to control the GitHub Atom text editor on macOS.

Key to the Keys

• ⌘ : Command key
• ⌃ : Control key
• ⌫ : Delete key
• ← : Left arrow key
• → : Right arrow key
• ↑ : Up arrow key

dleatherman

$(document).ready(function(){
  countdown();
  setInterval(countdown, 1000);
  function countdown () {
  var now = moment(), // get the current moment
    // May 28, 2013 @ 12:00AM
    then = moment([2013, 4, 28]),
    // get the difference from now to then in ms
    ms = then.diff(now, 'milliseconds', true);
    // If you need years, uncomment this line and make sure you add it to the concatonated phrase

jcasimir

Friendly URLs

By default, Rails applications build URLs based on the primary key -- the id column from the database. Imagine we have a Person model and associated controller. We have a person record for Bob Martin that has id number 6. The URL for his show page would be:

/people/6

But, for aesthetic or SEO purposes, we want Bob's name in the URL. The last segment, the 6 here, is called the "slug". Let's look at a few ways to implement better slugs.