dg3feiko

package com.company;

public class Main {

    public static void main(String[] args) {
	    SoftwareEngineer a = new SoftwareEngineer();
        ((Employee)a).foo();
    }
}

dg3feiko

Java

• Reflection
• Change modifier to protected and put tests into same place

Go

/github.com/example/mypackage.go
 /mypackage_internal_test.go 

dg3feiko

var RESPONSIVE_BREAKPOINT_WIDTH = 770;
var mileStone, home, master, productListing, productListDropdown;
var isResponsive = false;
var pagePos = 0;
var storeLocator;
var featuredPhotoArr = [];
var isMobile = checkMobile();

	if (!Object.keys) {
	  Object.keys = (function() {

dg3feiko

defmodule MyModule do
  def doSomething(num) do
    if num != 1 do
      {:ok, num + 1}
    else
      {:error, "some reason"}
    end
  end
end

dg3feiko

defmodule PongServer do
  use GenServer

  def handle_call(:ping, _from, state) do
    :timer.sleep(1000)
    {:reply, { :ok, "pong #{state}" }, state}
    
  end
end

dg3feiko

'use strict';

//data type
class Option { }
Option.None = class { toString() { return "None" } };
Option.Some = class { constructor(value) { this.some = value } toString() { return `Some:${this.some}` } };

//computation builder
let maybe = function (genFunc) {
    let gen = new genFunc();

dg3feiko

'use strict';
const util = require("util");

let foo = {};
let bar = {};

foo.ref = bar;
bar.ref = foo;

console.log(JSON.stringify(foo));

dg3feiko

'use strict';
const co = require("./co.js");
const co_nothrow = require("./co-nothrow");


var boom = ()=> {
	return new Promise((resolve, reject)=>{
		setTimeout(()=>{
			reject("boom");
		}, 1000);

dg3feiko

Top 10 javascript developer in HK rated by activities

SELECT actor_attributes_email, count(*) as cnt
FROM [githubarchive:github.timeline]
where actor_attributes_location like "%Hong%" and repository_language = "JavaScript"
group by actor_attributes_email
order by cnt desc
LIMIT 10;

dg3feiko

class: left

Title

var redis = require("redis");
var mongo = require("mongodb");

class DataStore {		
	constructor(){