Paratron

import React from "react";

let lsBus = {};
let ssBus = {};

/**
 * Redraw all components that have a hook to localStorage with the given key.
 * @param {string} key
 * @param {*} newValue
 */

yalab

$ echo 'gem "webpacker"' >> Gemfile
$ bundle install
$ rails webpacker:install
$ yarn add bootstrap@4.0.0-beta jquery popper.js

diff --git a/config/webpack/environment.js b/config/webpack/environment.js
index d16d9af..86bf1a7 100644

bastman

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

paulirish

/* bling.js */
window.$ = document.querySelector.bind(document);
window.$$ = document.querySelectorAll.bind(document);
Node.prototype.on = window.on = function(name, fn) { this.addEventListener(name, fn); };
NodeList.prototype.__proto__ = Array.prototype;
NodeList.prototype.on = function(name, fn) { this.forEach((elem) => elem.on(name, fn)); };

JamesMGreene

Initialize

gitflow	git
git flow init	git init
	git commit --allow-empty -m "Initial commit"
	git checkout -b develop master

Connect to the remote repository

sshaw

;;; gh-link.el --- Create URLs to a buffer's location in its GitHub repository

;; Author: Skye Shaw <skye.shaw@gmail.com>
;; Version: 0.0.1

;;; Commentary:

;; Create a URL representing the current buffer's location in its GitHub repository at
;; the current line number or active region. The URL will be added to the kill ring.
;; 

daneharrigan

package main

import (
  "bytes"
	"flag"
	"fmt"
	"github.com/bmizerany/aws4"
	"io/ioutil"
	"log"
	"net/http"

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

dwbutler

# Tested in Ruby 1.8.7

class ParentClass
  def call_private_good
    # Private methods can only be called without an explicit receiver
    private_test
  end
  
  def call_private_bad
    # Calling a private method with an explicit receiver (self) will fail

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'