blackavec

1. JavaScript

• JSFiddle (https://jsfiddle.net/)
• CodePen (https://codepen.io/)
• JS Bin (https://jsbin.com/)

2. HTML/CSS

• JSFiddle (https://jsfiddle.net/)
• CodePen (https://codepen.io/)
• JS Bin (https://jsbin.com/)

3. SQL

• SQL Fiddle (http://sqlfiddle.com/)

blackavec

# Requirements
- 2x Resistors (10K)
- 2x Transistors (S8050)
- USB to UART Module
- ESP32

blackavec

#!/bin/bash

#apt-get update
#apt-get upgrade -y

apt-get install build-essential 

blackavec

% node --print-bytecode --print-bytecode-filter=testFor scenarios/bytecode/benchmark.js
[generated bytecode for function: testFor]
Parameter count 2
Frame size 16
   78 E> 0x596d72600ba @    0 : a0                StackCheck 
   96 S> 0x596d72600bb @    1 : 0c 0a             LdaSmi [10]
         0x596d72600bd @    3 : 26 fb             Star r0
  102 E> 0x596d72600bf @    5 : a0                StackCheck 
  116 S> 0x596d72600c0 @    6 : 25 fb             Ldar r0
         0x596d72600c2 @    8 : 73 00             ToNumeric [0]

blackavec

function testFor(obj) {
  let i = 10

  for(;;) {
    if (i-- === 0)
      return true
  }
}

function testWhile(obj) {

blackavec

module.exports.scenario = function() {
  let runCycles = totalExecutionLimit // 1,000,000,000

  setInitialTime()
  while (true) {
    // do the calculation
    add(2, 2)
  
    if (!runCycles--)
      break

blackavec

module.exports.scenario = function() {
  let runCycles = totalExecutionLimit // 1,000,000,000

  setInitialTime()
  for (;;) {
    // do the calculation
    add(2, 2)
  
    if (!runCycles--)
      break

blackavec

module.exports.add = function(a, b) {
  return a + b
}

blackavec

2.hours.ago # => Fri, 02 Mar 2012 20:04:47 JST +09:00
1.day.from_now # => Fri, 03 Mar 2012 22:04:47 JST +09:00
Date.today.to_time_in_current_zone # => Fri, 02 Mar 2012 22:04:47 JST +09:00
Date.current # => Fri, 02 Mar
Time.zone.parse("2012-03-02 16:05:37") # => Fri, 02 Mar 2012 16:05:37 JST +09:00
Time.zone.now # => Fri, 02 Mar 2012 22:04:47 JST +09:00
Time.current # Same thing but shorter. (Thank you Lukas Sarnacki pointing this out.)
Time.zone.today # If you really can't have a Time or DateTime for some reason
Time.zone.now.utc.iso8601 # When supliyng an API (you can actually skip .zone here, but I find it better to always use it, than miss it when it's needed)
Time.strptime(time_string, '%Y-%m-%dT%H:%M:%S%z').in_time_zone(Time.zone) # If you can't use Time#parse

blackavec

window.startLiking = true

function getRandomArbitrary(min, max) {
    return Math.random() * (max - min) + min;
}

function getRandomTime(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}