hammeiam

class SudokuValidator {
  constructor(board) {
    if (board.length !== board[0].length) {
      throw new Error('Board must be square');
    }
    
    if (Math.sqrt(board.length) !== Math.floor(Math.sqrt(board.length))) {
      throw new Error('Board size must be a square number')
    }
    

micmmakarov

/*

Fast JS Sudoku validator implemented in Javascript via array addresses.

Check whether a 9x9 sudoku board is valid.

Sudoku is a game played on a 9x9 grid. The object of the game is to fill in every square on the grid with a number, 1-9, so that:

Every row contains the numbers 1-9
Every column contains the numbers 1-9

bsletten

This is an incomplete, ever-changing curated list of content to assist people into the worlds of Data Science and Machine Learning. If you have a recommendation for something to add, please let me know. If something isn't here, it doesn't mean I don't recommend it, I just may not have had a chance to review it yet or not.

I will generally list things in order of easier to more formal/challenging content.

It may feel like there is an overwhelming amount of stuff for you to learn (because there is). But, there is a guided path that will get you there in time. You need to focus on Linear Algebra, Calculus, Statistics and probably Python (or R). Your best bet is to get a Safari Books Online account (https://www.safaribooksonline.com) which you may already have access to through school or work. If not, it is a reasonable way to get access to a tremendous number of books and videos.

I'm not saying you will get what you need out of everything here, but I have read/watched at least some of all of the following an

endymion

class Contact < ActiveRecord::Base

  ...

  def after_create
    if Hook.hooks_exist?('new_contact', self)
      Resque.enqueue(Hook, self.class.name, self.id)
      # To trigger directly without Resque: Hook.trigger('new_contact', self)
    end
  end