ghoseb

;;
;; NS CHEATSHEET
;;
;; * :require makes functions available with a namespace prefix
;;  and optionally can refer functions to the current ns.
;;
;; * :import refers Java classes to the current namespace.
;;
;; * :refer-clojure affects availability of built-in (clojure.core)
;;   functions.

timohausmann

/**
 * return the distance between two points.
 *
 * @param {number} x1		x position of first point
 * @param {number} y1		y position of first point
 * @param {number} x2		x position of second point
 * @param {number} y2		y position of second point
 * @return {number} 		distance between given points
 */
Math.getDistance = function( x1, y1, x2, y2 ) {

deanishe

#!/usr/bin/python
# encoding: utf-8
#
# Copyright (c) 2013 <deanishe@deanishe.net>.
#
# MIT Licence. See http://opensource.org/licenses/MIT
#
# Created on 2013-11-01
#

nolanlawson

// Promise.all is good for executing many promises at once
Promise.all([
  promise1,
  promise2
]);

// Promise.resolve is good for wrapping synchronous code
Promise.resolve().then(function () {
  if (somethingIsNotRight()) {
    throw new Error("I will be rejected asynchronously!");

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

benlinton

Multiple MySQL Versions for Development

Options included below:

• Using Docker docker-compose
• Using Homebrew brew

Using Docker (recommended)

This gist was originally created for Homebrew before the rise of Docker, yet it may be best to avoid installing mysql via brew any longer. Instead consider adding a barebones docker-compose.yml for each project and run docker-compose up to start each project's mysql service.

schoenkaft

# Set GPG_TTY environment variable
export GPG_TTY=$(tty)

midnightcodr

const fetch = require('node-fetch')

const delay = (ms) => {
    return new Promise(resolve => {
        setTimeout(() => {
            resolve()
        }, ms)
    })
}
const retryFetch = (url, fetchOptions={}, retries=3, retryDelay=1000) => {

WebReflection

// now an npm package qith 100% code coverage:
// https://github.com/WebReflection/endow#endow---

// (c) Andrea Giammarchi, @WebReflection (ISC)
const mix = Super => ({
  with: (...mixins) =>
    mixins.reduce(
      (Class, Mixin) => {
        Class = Mixin(Class);
        if (!Mixin.hasOwnProperty(Symbol.hasInstance)) {

schoenkaft

#!/bin/bash

# Check if command was ran as root.
if [[ $(id -u) -eq 0 ]]; then
    echo "The command \"sphp\" should not be executed as root or via sudo directly."
    echo "When a service requires root access, you will be prompted for a password as needed."
    exit 1
fi

# Usage