nobitagit

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

nobitagit

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

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.

---

nobitagit

/**
 * from this..
 **/
const list = [
  {id: 0 , parent: null},
  {id: 1 , parent: 0},
  {id: 2 , parent: 1},
  {id: 3 , parent: 1},
  {id: 4 , parent: 2},
  {id: 5 , parent: 1},

nobitagit

# create a venv wiht python 3
# which python3
virtualenv -p /usr/local/bin/python3 yourenv

nobitagit

Find command by name:

1. SHIFT+CMD+a

Search anywhere:

1. SHIFT+SHIFT

GIT blame:

nobitagit

# to grep for commmits, apart from the usual "| grep" you can:
git log --grep=some --grep=key_word --since=1.month
# more here: http://gitster.livejournal.com/30195.html
# after checking out a previous revision on git log, you can come back to the previous HEAD by doing
git ckeckout -

nobitagit

// Returns undefined for non existent props
// taken from http://stackoverflow.com/questions/18891939/javascript-retrieve-object-property-path/18892019#18892019
function getKey(key, obj) {
  return key.split('.').reduce(function(a,b){
    return a && a[b];
  }, obj);
}

getKey('foo.bar', obj); //=> "I want this"
getKey('foo.baz', obj); //=> undefined

nobitagit

# Move to end of line and enter EDIT mode
A
# Move to beginning of line and enter EDIT mode
I
# Move to end of file
G
# combine commands to get to end of last line and enter EDIT mode
GA
# Move to beginning of file
1G or gg

nobitagit

" A minimal vimrc for new vim users to start with.
" Referenced here: http://vimuniversity.com/samples/your-first-vimrc-should-be-nearly-empty
"  If you don't understand a setting in here, just type ':h setting'.
" Use Vim settings, rather than Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

" Make backspace behave in a sane manner.
set backspace=indent,eol,start

nobitagit

/**
 * Lessons learned implementing a simple adder.
 * Array functions do not have the arguments object
 **/

var add = function() {
  var args = Array.prototype.slice.call(arguments)
  return args.reduce((all, item) => {
     return all + item;
   }, 0);