Small help with immutable types...
// private readonly int _age;
// public int Age { get { return _age; } }
public int Age { get; }
const condition = true; | |
// I don't know why, but adding an if here makes me sad since I started programming :L | |
condition ? 1 : -1; | |
// Alternative way 1 | |
(-1) ** condition; | |
// Alternative way 2 | |
2 * condition - 1; |
<?php | |
//+ Jonas Raoni Soares Silva | |
//@ http://raoni.org | |
class Lazy { | |
private $_cache; | |
private $_handler; | |
public function __construct(callable $handler) | |
{ |
//Split by nothing/position | |
'USDEUR'.split(/(?=\w{3}$)/); //["USD", "EUR"] | |
//Split without consuming/swallowing | |
'2020-10-10'.split(/(-)/); //["2020", "-", "10", "-", "10"] |
//+ Jonas Raoni Soares Silva | |
//@ http://raoni.org | |
<template lang="pug"> | |
span.field(@click.stop="") | |
input.is-checkradio( | |
v-bind="$attrs" | |
type="checkbox" | |
ref="checkbox" | |
:indeterminate.prop="status === null" |
registry=https://artifactory.example.com/api/npm/proxy_of_npm/ | |
//artifactory.example.com/api/npm/proxy_of_npm/:_authToken=SUPER_SECRET_KEY | |
//artifactory.example.com/api/npm/proxy_of_npm/:always-auth=true | |
//artifactory.example.com/api/npm/YOUR_PERSONAL_REPOSITORY/:_authToken=SUPER_SECRET_KEY | |
//artifactory.example.com/api/npm/YOUR_PERSONAL_REPOSITORY/:always-auth=true |
'1234567890.123'.replace(/\d(?=(\d{3})+(?:$|\.))/g, '$& '); |
//+ Jonas Raoni Soares Silva | |
//@ http://raoni.org | |
export default class NumericDirective { | |
constructor(input, binding) { | |
Object.assign(this, { | |
input, | |
binding | |
}); | |
input.addEventListener('keydown', this); |
//+ Jonas Raoni Soares Silva | |
//@ http://raoni.org | |
// NOTES: | |
// 1. The vnode is provided by the directive callbacks | |
// 2. If eval sounds scary to you, you might replace it by any function that provides "navigation" from a string like "array[0].property" (that's what you get from the "expression") =] | |
getValue (vnode) { | |
//standard v-model | |
if (vnode.data.model) { |
//+ Jonas Raoni Soares Silva | |
//@ http://raoni.org | |
function tree(items) { | |
const tree = []; | |
const map = new Map; | |
for (const item of items) { | |
const placeholder = map.get(item.id); | |
item.children = placeholder ? placeholder.children : []; | |
map.set(item.id, item); |