markmichon

class CircuitBreaker {
  constructor(request) {
    this.request = request
    this.state = "CLOSED"
    this.failureThreshold = 3
    this.failureCount = 0
    this.successThreshold = 2
    this.successCount = 0
    this.timeout = 6000
    this.nextAttempt = Date.now()

typebrook

gist - Manage your gist like a pro

All your notes, scripts, config files and snippets deserve version control and tagging!
gist is a simple bash script for gist management. It is lightweight(~700LOC) and dependency-free! Helps you to boost coding workflow.

• Getting Started
• Dependencies
• Basic Commands
• Update and clone gists from Github

joelnet

// Y Combinator
const Y = a => (b => b (b)) (b => a (c => b (b) (c)))

// isomorphic Church encoding/decoding
const Church = {
  to: n => f => x => Array.from (Array (n)).reduce (f, x),
  from: f => f (x => x + 1) (0)
}

const True = a => b => a

padolsey

Number.prototype.to = function*(n) {
  let finish = n.valueOf();
  let start = this.valueOf();
  let finishLessThan = start >= finish;
  for (
    let i = start;
    finishLessThan ? i >= finish: i <= finish;
    i += finishLessThan ? -1 : +1
  ) yield i;
};

rgrove

/*
The Express body-parser library, which you may be using to parse incoming JSON
request bodies, doesn't currently protect against prototype poisoning via the
`__proto__` key.

The dangers of prototype poisoning are described in detail here:
https://hueniverse.com/a-tale-of-prototype-poisoning-2610fa170061

Until body-parser provides its own fix, you can protect yourself by adding a
reviver function that throws an error if it sees any key named "__proto__". This

RabaDabaDoba

/*
 * This is free and unencumbered software released into the public domain.
 *
 * For more information, please refer to <https://unlicense.org>
 */

//Regular text
#define BLK "\e[0;30m"
#define RED "\e[0;31m"
#define GRN "\e[0;32m"

john-doherty

(function () {

    'use strict';

    /**
     * wraps a promise in a timeout, allowing the promise to reject if not resolve with a specific period of time
     * @param {integer} ms - milliseconds to wait before rejecting promise if not resolved
     * @param {Promise} promise to monitor
     * @example
     *  promiseTimeout(1000, fetch('https://courseof.life/johndoherty.json'))

ebidel

<script src="https://unpkg.com/@webcomponents/custom-elements"></script>

<style>
  body {
    margin: 0;
  }
  /* Style the element from the outside */
  /*
  fancy-tabs {
    margin-bottom: 32px;

olih

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

paullewis

/*!
 * Copyright 2015 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software