Dartv

_.each(dateRange(), function (month) {

      var beatmaps = osu.getBeatmapsRaw({
        since: month
      }, Meteor.bindEnvironment(function (err, res) {
        if (err) throw new Meteor.Error(err);
        var mapsJson = JSON.stringify(res);
        var maps = JSON.parse(mapsJson);
        for (var map in maps) {
          var objectToUpdate = {

Dartv

Template.myTemplate.viewmodel({
  page: new ReactiveVar(0),
  scrollListener: _.debounce(function () {
  var self = this;
  var diff = $(document).height() - $(window).height();
  if ($(window).scrollTop() === diff) {
    self.viewmodel.page().set(self.viewmodel.page().get() + 1);
  }
}, 50);
});

Dartv

Beatmaps.find().forEach(function(x) {
    Beatmaps.update({_id: x._id}, {
      $set: {
        approved: Number(x.approved),
        total_length: Number(x.total_length),
        hit_length: Number(x.hit_length),
        diff_size: Number(x.diff_size),
        diff_overall: Number(x.diff_overall),
        diff_approach: Number(x.diff_approach),
        diff_drain: Number(x.diff_drain),

Dartv

let nums = [30, 36, 37, 41, 42, 41, 40, 41, 46, 47, 46, 46, 47, 45, 46, 45, 50, 51, 50, 52, 52, 51, 51, 52, 50, 50, 56, 55, 56, 57, 57, 57, 57, 58, 58, 55, 61, 62, 67, 67];
let unique = _.unique(nums);
let absoluteFrequency = _.countBy(nums, num => num);
let relativeFrequency = () => {
  let obj = {};
  let values = _.values(absoluteFrequency);
  let keys = _.keys(absoluteFrequency);
  for (var i = 0; i < keys.length; i++) {
    obj[keys[i]] = values[i] / nums.length;
  }

Dartv

handleQueries(queries, values) {
  let obj = {};
  for (let i = 0; i < queries.length; i++) {
    obj[queries[i]] = this[queries[i]]() ? values[i] : null;
  }
  let vals = _.values(obj).filter(x => x !== null);
  return vals;
}

Dartv

db.beatmaps.aggregate([
    {
        "$group": {
            "_id": "$beatmapset_id",
            "count": { "$sum": 1 },
            "uniqueIds": { "$addToSet": "$_id" },
            "maxRating": { "$max": "$difficultyrating" }
        }
    },

Dartv

arr = [
  { id: 324, difficulty: 3 },
  { id: 324, difficulty: 2 },
  { id: 324, difficulty: 5 },
  { id: 500, difficulty: 3 },
  { id: 500, difficulty: 3.5 },
  { id: 500, difficulty: 7 }
];

let map = _.groupBy(arr, (el) => el.id)

Dartv

  const $chat = $('.chat-content');
  const $message = $(ReactDOM.findDOMNode(component));
  const msgOffset = $message.offset().top;

  // center the linked message in the chat box
  const elHeight = $message.height();
  const chatHeight = $chat.height();

  const offset = msgOffset - ((chatHeight / 2) - (elHeight / 2));

Dartv

const getOffset = (offset, index, arr) => arr[(arr.length + index + (offset % arr.length)) % arr.length]

Dartv

// ==UserScript==
// @name         Itunes lower volume
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://itunes.apple.com/*/album/*/*$
// @grant        none
// ==/UserScript==