th3hamburgler

@layer utilities {
  /* extra helper classes to account for mobile safe areas */
  .p-safe {
    padding: env(safe-area-inset-top) env(safe-area-inset-right)
      env(safe-area-inset-bottom) env(safe-area-inset-left);
  }
  .px-safe {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);

nahive

extension Comparable {
    /// Returns a Boolean value indicating whether a value is included in a
    /// range.
    ///
    /// You can use this pattern matching operator (`~=`) to test whether a value
    /// is included in a range. The following example uses the `~=` operator to
    /// test whether an integer is included in a range of single-digit numbers.
    ///
    ///     let chosenNumber = 3
    ///     if chosenNumber ~= 0...9 {

mxstbr

Enable tab completion for JSX with Emmet in Atom

This guide assumes you have the emmet and language-babel packages already installed in Atom

1. Open the keymap.cson file by clicking on Atom -> Keymap… in the menu bar
2. Add these lines of code to your keymap:

'atom-text-editor[data-grammar~="jsx"]:not([mini])':

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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shripadk

How to setup Heroku Hostname SSL with GoDaddy SSL Certificate and Zerigo DNS
Heroku recently added an exciting new 'Hostname SSL' option.  This option offers the broad compatibility of IP-based SSL, but at 1/5 the price ($20 / month at the time of this writing).  
 
The following tutorial explains how to use Heroku's new 'Hostname SSL' option on your Heroku project.  Before we begin, let's list what we're using here:

    * Heroku Hostname SSL
    * GoDaddy Standard SSL Certificate
    * Zerigo DNS