piyonishi

open -a Firefox
open -a Safari
open -a Google\ Chrome

piyonishi

// 命令形
var total = 0,
    num = 0,
    ave,
    i;
 
for (i = 1; i <= 10; i++) {
  total += i;
  num++;
}

piyonishi

function newCounter() {
 var i = 0;
 return function() {
 i = i + 1;
 return i;
 }
}
var c1 = newCounter();
var c2 = newCounter();
console.log(c1()); // 1

piyonishi

// Cache the querySelector/All for easier and faster reuse
window.$ = document.querySelectorAll.bind(document);
window.$$ = document.querySelector.bind(document);

// Get element(s) by CSS selector:
window.qs = function (selector, scope) {
  return (scope || document).querySelector(selector);
};
window.qsa = function (selector, scope) {
  return (scope || document).querySelectorAll(selector);

piyonishi

.pannel {
  display: block;
  position: relative;
  width: 100%;

  &:before {
    content: "";
    display: block;
    padding-top: 50%;
  }

piyonishi

git config --global core.quotepath false

piyonishi

.posts {
  list-style: none;
  margin: 0;
  padding: 0;
}


/* 上書きする例(bad) */
.post {
  border-bottom: 1px solid #eee;

piyonishi

# Dockerで<none>なイメージを一括で削除するワンライナー

# not danglingなimageを全て削除
docker image prune

# not danglingなcontainer, volume, network,imageを全て削除
docker system prune

piyonishi

@-moz-document url-prefix() {
  select {
    -moz-appearance: none;
    text-indent: 0.01px;
    text-overflow: "";
  }
}

piyonishi

// https://coderwall.com/p/0iz_zq/how-to-put-focus-at-the-end-of-an-input-with-react-js

moveCaretAtEnd(e) {
  var temp_value = e.target.value
  e.target.value = ''
  e.target.value = temp_value
}

render() {
  <textarea