edoubart

// Create a function that checks if a given string is a palindrome.
// A palindrome is text that reads the same forwards and backwards, disregarding puncation, spaces, etc.

const testStrings = [
    "b",
    "aba",
    "abc", // FALSE
    "abba",
    "Race Car",
    "Mr. Owl ate my metal worm",

edoubart

const ARRAY = [ 1, 1, 2, 3, 4, 4, 5, 6, 6, 6 ];

function findDuplicates(array) {
  let countDictionary = array.reduce((countDictionary, value) => {
    return {
      ...countDictionary,
      [value]: countDictionary[value] ? countDictionary[value] + 1 : 1
    };
  }, {});

edoubart

set background=dark

syntax on

colorscheme vividchalk

set guifont=Monaco:h20

set backspace=eol,indent,start

edoubart

" take indent for new line from previous line
set autoindent

" "dark" or "light", used for highlight colors
set background=dark

" how backspace works at start of line
set backspace=eol,indent,start

" use spaces when <Tab> is inserted

edoubart

PSQL

Magic words:

psql -U postgres

If run with -E flag, it will describe the underlaying queries of the \ commands (cool for learning!).

Most \d commands support additional param of __schema__.name__ and accept wildcards like *.*

edoubart

# Define a PingPong module.
defmodule PingPong do
  # Attribute
  @game_finish 11

  # Define a ready function to receive messages from other processes.
  def ready do
    # Handle each message.
    receive do
      {_sender, _action, @game_finish} ->

edoubart

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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