beall49

private Map<Integer, Integer> getGroupsById() {
    List<IdValue> values = Lists.newArrayList(
      new IdValue(1, 2),
      new IdValue(1, 6),
      new IdValue(3, 1),
      new IdValue(3, 3),
      new IdValue(5, 3),
      new IdValue(5, 10)
    );

beall49

Array

• Two Sum
• Best Time to Buy and Sell Stock
• Contains Duplicate
• Product of Array Except Self
• Maximum Subarray
• Maximum Product Subarray
• Find Minimum in Rotated Sorted Array

beall49

import glob
import os
import shutil
import datetime
import random
import string

FILE_DIR = "P:\\original\\"
OUTPUT_DIR = "P:\\destination\\"
files = []

beall49

/** 
* Take a list of items, iterate, and get some list of items then flatten that list of items into a single list.
*/
List<String> indexed = listOfStrings.stream()
                                 .map(li -> li.getSomeListOfItems())
                                 .flatMap(List::stream)
                                 .collect(toList());

beall49

/* Module Code */
const reqUtil = require('../utils/request-utils');

const Socket = function(io) {
  this.io = io;
  this.io.on('connection', s => this.conn(s));
};

Socket.prototype.conn = function(socket) {
  console.log(`New Socket connection made  ${Date.now()}-${socket.id}`);

beall49

/**
* All numbers divisible by 2
*/
const divisibles = (len) => [...Array(len + 1).keys()].filter(k => k % 2 === 0);

beall49

  /**
  * This should spit out a percentage of how close two strings are.
  */
  public static Double stringCompare(String a, String b) {    
    if (a == null || b == null) {      
      return 0.0;
    }
    
    //Same string, no iteration needed.
    if (a.equals(b)) {

beall49

private static Map<String, List<SomeObject>> groupListToMapById(List<SomeObject> items) {
    return items.stream()
                .collect(groupingBy(SomeObject::getId, toList()))
                .entrySet()
                .stream()
                .collect(toMap(
                  Map.Entry::getKey,
                  Map.Entry::getValue,
                  (a, b) -> {throw new AssertionError();},
                  LinkedHashMap::new

beall49

const makeSet = (list) => {
  return list.reduce((items, item) => {
    const id = item.id;
    const value = item.value
    const found = items.find(i => i.id === id);

    if (!found) {
      items.push(item);
    } else {
      found.value += value;

beall49

const isNotPM2 = (process.env.PM2_HOME === undefined);
if (isNotPM2) {
  const fs = require('fs');
  const appDir = config.getAppDir();
  const pidPath = `${appDir}/pid-backup/node.pid`;
  const newPid = process.pid;

  const writer = () => {
    fs.writeFile(pidPath, newPid, async () => {
    });