mike-north

defmodule MyApp.User do
  def changeset(model, params \\ :empty) do
    model
    |> cast(params, @required_fields, @optional_fields)
    |> validate_format(:email, ~r/@/)
    |> validate_length(:password, min: 8)
    |> validate_format(:password, ~r/[0-9]+/, message: "Password must contain a number") # has a number
    |> validate_format(:password, ~r/[A-Z]+/, message: "Password must contain an upper-case letter") # has an upper case letter
    |> validate_format(:password, ~r/[a-z]+/, message: "Password must contain a lower-case letter") # has a lower case letter
    |> validate_format(:password, ~r/[#\!\?&@\$%^&*\(\)]+/, message: "Password must contain a symbol") # Has a symbol

andrewhao

defmodule Game do
  use GenServer

  def init(game_id) do
    {:ok, %{game_id: game_id}}
  end

  def start_link(game_id) do
    GenServer.start_link(__MODULE__, game_id, name: {:global, "game:#{game_id}"})
  end

bradtraversy

// Construct Single Node
class Node {
  constructor(data, next = null) {
    this.data = data;
    this.next = next;
  }
}

// Create/Get/Remove Nodes From Linked List
class LinkedList {

SolidAlloy

using UnityEngine;

/// <summary>
///     A class that allows to visualize the Physics2D.BoxCast() method.
/// </summary>
/// <remarks>
///     Use Draw() to visualize an already cast box,
///     and BoxCastAndDraw() to cast a box AND visualize it at the same time.
/// </remarks>