servatj

Tabs and Windows

Function	Shortcut
New Tab	⌘ + T
Close Tab or Window	⌘ + W (same as many mac apps)
Go to Tab	⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction	⌘ + Option + Arrow Key
Cycle iTerm Windows	⌘ + backtick (true of all mac apps and works with desktops/mission control)

servatj

/*
Búsqueda binaria (Binary Search): Implementación de ejemplo.

Recibe un array ordenado y el elemento a buscar. Si encuentra el elemento
devolverá el índice del elemento encontrado, si no se encuentra devolverá `-1`.
*/


function binarySearch(array, item) {

servatj

How to prune docker containers

1 - Stop all the containers

docker kill $(docker ps -q)

2 - Run a system prune

servatj

pragma solidity ^0.4.21;

contract Lottery {
  address public manager;
  address[] public players;

  constructor() public {
    manager = msg.sender;
  }

servatj

Screen Quick Reference

Basic

Description	Command
Start a new session with session name	screen -S <session_name>
List running sessions / screens	screen -ls
Attach to a running session	screen -x
Attach to a running session with name	screen -r

servatj

const classToObject = theClass => {
  const originalClass = theClass || {}
  const keys = Object.getOwnPropertyNames(Object.getPrototypeOf(originalClass))
  return keys.reduce((classAsObj, key) => {
    classAsObj[key] = originalClass[key]
    return classAsObj
  }, {})
}

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const falsyValues = [undefined, null, 0, '', NaN]
const isTruthy = (value) => !falsyValues.includes(value)

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val fullDate = DateTimeFormatter.ofPattern("yyyy-MM-dd")

val getDates = (days: Int) => {
  val datesList = ListBuffer[String]()
  var count: Int = 0;
    for (i <- 1 to days) {
      datesList += fullDate.format(LocalDate.now().minusDays(i))
    }
  datesList
}

servatj

var oneDay = 24*60*60*1000; // hours*minutes*seconds*milliseconds
var firstDate = new Date(2018,08,13);
var secondDate = new Date(2019,02,25);

var diffDays = Math.round(Math.abs((firstDate.getTime() - secondDate.getTime())/(oneDay)));

servatj

This is only a test 
I guees i can add code 
 ```
   println("")
 ```