scaffeinate

public static int isPrime(int x) {
    if(x <= 2) return 1;

    int num = 2, k = 0, sqrt = (int) Math.sqrt(x);
    boolean[] arr = new boolean[x-1];
    while(num <= sqrt) {
        if(arr[num-2]) {
            num++;
            continue;
        }

scaffeinate

public static SinglyLinkedListNode removeNodes(SinglyLinkedListNode listHead, int x) {
    SinglyLinkedListNode head = null, tail = null;
    while (listHead != null) {
        if (listHead.data <= x) {
            SinglyLinkedListNode node = new SinglyLinkedListNode();
            node.data = listHead.data;
            if(head == null) {
                head = tail = node;
            } else {
                tail.next = node;

scaffeinate

def findSchedules(workHours, dayHours, pattern):
    totalHours = 0
    result = []
    for c in pattern:
        if c != '?':
            totalHours = totalHours + int(c)

    diff = workHours - totalHours
    constructResult(list(pattern), 0, diff, dayHours, result)
    return result

scaffeinate

package matrix;

import java.util.Arrays;
import java.util.Scanner;

/**
 * TicTacToeGame
 */
public class TicTacToeGame {

scaffeinate

import java.util.HashMap;
import java.util.Map;

/**
 * Created by sudharti on 10/30/17.
 */
public class BudgetShopping {
    static int budgetShopping(int n, int[] bundleQuantities, int[] bundleCosts) {
        return budgetShopping(n, bundleQuantities, bundleCosts, new HashMap<>());
    }

scaffeinate

class Api::V1::UserSerializer < ActiveModel::Serializer
  attributes :id, :name, :email
  
  def name
    "#{object.first_name} #{object.last_name}"
  end
end

scaffeinate

module Api::V1
  class UsersController < ApplicationController
    def show
      @user = User.find_by(email: params[:email])
      render json: @user
    end
  end
end

scaffeinate

class CreateUsers < ActiveRecord::Migration[5.0]
  def change
    create_table :users do |t|
      t.string :first_name, null: false, default: ''
      t.string :last_name, null: false, default: ''
      t.string :email, null: false

      t.timestamps
    end
    add_index :users, :email, unique: true

scaffeinate

source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.5.1'

# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'

scaffeinate

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

var Article = require('../../../models/article');

Those suck for maintenance and they're ugly.

Possible solutions