kenzan100

# https://adventofcode.com/2021/day/3

require 'pp'
require_relative 'get_response'

# Abstracted getting/parsing input
raw = GetResponse.new(day: 3).call

# ----- Part 2 ------
# writing my own transpose just for fun

kenzan100

fn use_v() {
  let mut v = make_v();
  let w = &mut v;
  
  w.push(8);   // error! Cannot borrow `v` as immutable
  print_v(&v); // because it is also borrowed as mutable
}

fn print_v(v: &Vec<i32>) {
  println!("{}", v[0]);

kenzan100

fn use_x() {
  let v = make_v();
  print_v(&v);
  print_v(&v);
}

fn print_v(v: &Vec<i32>) {
  println!("{}", v[0]);
}

kenzan100

fn use_v() {
  let v = make_v();
  print_v(v); // error! use of moved value: `v`
  print_v(v); // value used here after move
}

fn print_v(v: Vec<i32>) {
  println!("{}", v[0]);
}

kenzan100

fn use_v() {
  let v = make_v();
  print_v(v);
}

fn print_v(v: Vec<i32>) {
  println!("{}", v[0]);
}
 
fn make_v() -> Vec<i32> {

kenzan100

fn make_v() {
    let mut v = vec![2, 4]; // owned by make_v's scope
    v.push(8);
    // scope ends, `v` is destroyed
}

kenzan100

navigator.getUserMedia = navigator.getUserMedia ||
                         navigator.webkitGetUserMedia ||
                         navigator.mozGetUserMedia;

var SKYWAY_API_KEY = 'XXXXXXXXXXXXXXX';
var peer =null;
var selfId = null;
var localStream = null;

function initializePeer(callback) {

kenzan100

<!-- Video element (live stream) -->
<label>Video Stream</label>
<video autoplay id="video" width="640" height="480"></video>

<!-- Canvas element (screenshot) -->
<label>Screenshot (base 64 dataURL)</label>
<canvas id="canvas" width="640" height="480"></canvas>

<!-- Capture button -->
<button id="capture-btn">Capture!</button>

kenzan100

Proc.new do |elem|
  elem.send(:to_s)
end

kenzan100

{
  "timezone": "GMT+0000 (UTC)",
  "results": [
    {
      "date_parser": "chronic",
      "date_elem": [
        "(m|mm)/(d|dd)/yy",
        "yyyy.mm.dd"
      ]
    }