alessioalex

/**
 * Polyfill of DOMTokenList for IE < 9
 * Monkey patch of .add, .remove for IE 10 / 11, Firefox < 26 to support multiple arguments
 * Monkey patch of .toggle for IE 10 / 11, Firefox < 24 to support second argument
 */
/*global define: false, module: false */
/*jslint nomen: true */
(function domTokenListModule(global, definition) { // non-exporting module magic dance
    'use strict';

alessioalex

(function() {
  var Match, calculate_operations, consecutive_where, create_index, diff, find_match, find_matching_blocks, html_to_tokens, is_end_of_tag, is_start_of_tag, is_tag, is_whitespace, isnt_tag, op_map, recursively_find_matching_blocks, render_operations, wrap;

  is_end_of_tag = function(char) {
    return char === '>';
  };

  is_start_of_tag = function(char) {
    return char === '<';
  };

alessioalex

// Basic AES example using the defaults.
// https://github.com/bitwiseshiftleft/sjcl

var password = "password";
var text = "my secret text";
var parameters = { "iter" : 1000 };
var rp = {};
var cipherTextJson = {};

sjcl.misc.cachedPbkdf2(password, parameters);

alessioalex

/*
import express from 'express';
import db from './core/db';

const app = express();
const port = process.env.PORT || 3000;

app.get('/visits', (req, res, next) => {
  db.connect(async ({ query } => {
    await query('INSERT INTO visit (date) VALUES ($1)', new Date());

alessioalex

#System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

alessioalex

$ cat test.js
function foo () { while (true) { } }
function bar () { return foo(); }
bar();
$ node test.js &
$ gdb attach $(pidof node)
0x00000bf778c63d5f in ?? ()
(gdb) b v8::internal::Runtime_StackGuard
Breakpoint 1 at 0x84a1f0
(gdb) print 'v8::V8::TerminateExecution'(0)

alessioalex

var fs = require('fs');

var infile = process.argv[2];

if (!infile) return console.log("need infile");

var data = fs.readFileSync(infile, 'utf8').split('\n');
var outlines = [];

data.forEach(function(item) {

alessioalex

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2014

 Copyright (C) 2014 Addy Osmani @addyosmani

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

alessioalex

/* http://twitter.github.com/bootstrap/scaffolding.html#responsive */

/* Landscape phones and down */
@media (max-width: 480px) { ... }

/* Landscape phone to portrait tablet */
@media (max-width: 768px) { ... }

/* Portrait tablet to landscape and desktop */
@media (min-width: 768px) and (max-width: 940px) { ... }

alessioalex

var fs = require('fs');
var lame = require('lame');
var Speaker = require('speaker');

fs.createReadStream(process.argv[2])
  .pipe(new lame.Decoder())
  .on('format', function (format) {
    this.pipe(new Speaker(format));
  });