pinkmomo027

class PI
  
  @@TIME = 10000000
  attr :circle, :square
  
  def initialize
    @circle = 0
    @square = 0
    calculate_pi
  end

pinkmomo027

// http://stackoverflow.com/questions/10730362/get-cookie-by-name
function getCookie(name) {
  var value = "; " + document.cookie;
  var parts = value.split("; " + name + "=");
  if (parts.length == 2) return parts.pop().split(";").shift();
}

pinkmomo027

class ColorCard extends React.Component {
  
  constructor(props) {
    super(props);
    this.state = {color: ''};
    this.handleSubmit = this.handleSubmit.bind(this);
    // this.handleChange = this.handleChange.bind(this);
  }
  
  handleSubmit(e) {

pinkmomo027

const List = props => (
  <ul>
    {
      props.items.map( (item, index) => <li key={index}>{item}</li> )
    }  
  </ul>
)
class TodoList extends React.Component {
  
  constructor(props) {

pinkmomo027

// SyntheticEvent
// 'this' inside your event handler refers to the component the event handler lives in

class PlusButton extends React.Component {
  render(){
    
    const buttonStyle= {
      fontSize: '1em',
      width: 30,
      height: 30,

pinkmomo027

i.toString(2).replace(/0/,'').length

pinkmomo027

package main

import (
	"fmt"
)

func Sqrt(x float64) float64 {
	i := 0;
	z := float64(1)
	for i < 10 {

pinkmomo027

func Sqrt(x float64) float64 {
	i := 1;
	z := float64(1)
	t := z - (z*z - x) / (2*z)
	delta := 0.0000001
	for math.Abs(t-z) > delta {
		z = t
		t = z - (z*z - x) / (2*z)
		fmt.Println(z)

pinkmomo027

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

pinkmomo027

'use strict';

/*****************NATIVE forEACH*********************/

Array.prototype.myEach = function(callback) {
    for (var i = 0; i < this.length; i++)
        callback(this[i], i, this);
};

//tests