ryansobol

Originally published in June 2008

When hiring Ruby on Rails programmers, knowing the right questions to ask during an interview was a real challenge for me at first. In 30 minutes or less, it's difficult to get a solid read on a candidate's skill set without looking at code they've previously written. And in the corporate/enterprise world, I often don't have access to their previous work.

To ensure we hired competent ruby developers at my last job, I created a list of 15 ruby questions -- a ruby measuring stick if you will -- to select the cream of the crop that walked through our doors.

What to expect

Candidates will typically give you a range of responses based on their experience and personality. So it's up to you to decide the correctness of their answer.

justinweiss

# Call scopes directly from your URL params:
#
#     @products = Product.filter(params.slice(:status, :location, :starts_with))
module Filterable
  extend ActiveSupport::Concern

  module ClassMethods
    
    # Call the class methods with names based on the keys in <tt>filtering_params</tt>
    # with their associated values. For example, "{ status: 'delayed' }" would call 

ratbeard

.rainbow-text {                                                                                                                                                                           
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-image: -webkit-gradient(linear,  left top,  left bottom, 
        color-stop(0.00, red), 
        color-stop(16%, orange),
        color-stop(32%, yellow),
        color-stop(48%, green),
        color-stop(60%, blue),
        color-stop(76%, indigo),

hopsoft

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd

mlanett

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

treble37

#!/usr/bin/env ruby
require "openssl"
require 'digest/sha2'
require 'base64'

# We use the AES 256 bit cipher-block chaining symetric encryption
alg = "AES-256-CBC"

# We want a 256 bit key symetric key based on some passphrase
digest = Digest::SHA256.new

sghiassy

Disable Device Enrollment Notification on Mac.md

Restart the Mac in Recovery Mode by holding Comment-R during restart

Open Terminal in the recovery screen and type

csrutil disable

in4in-dev

<?php
//(js -> php) code. letter by letter

global $n, $i, $id;
$n = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN0PQRSTUVWXYZO123456789+/=";
$id = 12345; //YOUR USER ID

$i = [
	'v' => function($e) {
		return strrev($e);

aonemd

require 'pathname'
require 'open3'
require 'mini_magick'

SRC_DIR = '/path/to/src/dir/'.freeze
TMP_DIR = '/path/to/tmp/dir/'.freeze

class TextReader
  def initialize(input_path, output_path)
    @input_path  = input_path