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require 'fileutils'

class Ruby2Pack
  attr_reader :source_path, :ruby_version, :platform, :rel, :output_path

  def initialize(source_path:, ruby_version:, platform:, rel:)
    @source_path = source_path
    @ruby_version = ruby_version
    @platform = platform
    @rel = rel

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#lang racket/base

; One way to define a logger
(define lg (make-logger 'my-logger))
; Define a receiver for this logger, along with a log level
(define rc (make-log-receiver lg 'error)) ; also try with 'debug

; Another way to define a logger, with additional forms
(define-logger lg2)
(define rc2 (make-log-receiver lg2-logger 'debug))

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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:

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<template>
  <div id="app">
    <router-view></router-view>
    <div class="refresh-container" v-if="hashChanged && $root.env !== 'development'">
      <div class="notification-header">
        <button type="button" class="close-refresh-modal" @click="closeModal" aria-label="Close">
          <span aria-hidden="true"><i class="fal fa-times fa-sm"></i></span>
        </button>
      </div>
      <div class="notification-body">

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import axios from 'axios';

export const refreshPageMixin = {
  data() {
    return {
      currentHash: '{{POST_BUILD_ENTERS_HASH_HERE}}',
      token: localStorage.getItem('user-token'),
      hashChanged: false,
      newHash: ''
    }

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{
  "scripts": {
    "build": "node build/build.js && npm run post:build",
    "post:build": "node build/post-build.js"
  },
}

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const path = require('path');
const fs = require('fs');
const util = require('util');

// get application version from package.json
const appVersion = require('../package.json').version;

// promisify core APIs
const readDir = util.promisify(fs.readdir);
const writeFile = util.promisify(fs.writeFile);

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#!/usr/bin/env bash
set -e
# Uninstall Java 9 off the bat, so we can fix our local installation
if brew cask ls --versions "java" &>/dev/null; then
  echo "Uninstalling Java"
  brew cask uninstall java
fi
# Install jenv, java8 and java9
brew install jenv
brew cask install caskroom/versions/java8

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#! /bin/bash
###################### USAGE ######################################
usage() {
  echo "
Usage: mongotos3 [-t n] mongo_host mongo_collection s3_bucket
  -t                : number of parallel processes to use
  mongo_host        : the host of the mongodb server
  mongo_collection  : the collection to collecthe gridfs data from
  s3_bucket         : the name of the bucket you want to cp the files to
  "

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const a = new Set([1, 2, 3, 4, 4, 4])
const b = new Set([3, 4, 5, 6])

const intersect = (set1, set2) => [...set1].filter(num => set2.has(num))
const differ = (set1, set2) => [...set1].filter(num => !set2.has(num))
const joinSet = (set1, set2) => [...set1, ...set2]

const myIntersectedSet = new Set(intersect(a, b))
console.log('myIntersectedSet', myIntersectedSet)