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Ruby Association Certified Ruby Examination Silver Sample Questions

Q1. Which of the following have true values in Ruby? (Choose two.)

• (a) ""
• (b) 0
• (c) false
• (d) nil

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Ruby Association Certified Ruby Examination Gold Sample Questions

Q1. Assume that the following code must have the stated execution result.

__(1)__
x.each_line { |line| puts line }

[Execution Result]
apple

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stats = Sidekiq::Stats.new

stats.queues

stats.enqueued

stats.processed

stats.failed

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# Have you ever had to sleep() in Capybara-WebKit to wait for AJAX and/or CSS animations?

describe 'Modal' do
  
  should 'display login errors' do
    visit root_path
    click_link 'My HomeMarks'
    within '#login_area' do
      fill_in 'email', with: 'will@not.work'
      fill_in 'password', with: 'test'

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(ql:quickload 'lispbuilder-sdl)
(ql:quickload 'lispbuilder-sdl-gfx)
(ql:quickload 'alexandria)
 
(defparameter world (make-array '(100 100) :element-type 'fixnum))
 
;; initialize
(defun init-world! (world)
  (loop for i from 0 to (1- (array-dimension world 0)) do
    (loop for j from 0 to (1- (array-dimension world 1)) do

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#!/usr/bin/env bash

set -e

echo 'export IPFS_PATH=/data/ipfs' >>~/.bash_profile
source ~/.bash_profile

# ipfs daemon
wget https://dist.ipfs.io/go-ipfs/v0.4.17/go-ipfs_v0.4.17_linux-amd64.tar.gz
tar xvfz go-ipfs_v0.4.17_linux-amd64.tar.gz

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Docker

Shortcuts

$ curl -fsSL https://raw.github.com/tcnksm/docker-alias/master/zshrc >> ~/.bashrc && source ~/.bashrc

# ------------------------------------

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Table of Contents

• Architecture
• Concurrency
• Java
• General Questions
• WEB
• SQL

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require "test/unit"

module ArrayFunctions
  class << self
    def flatten(array, flatten_array = [])
      raise "Nothing to do" unless array

      array.each do |element|
        if element.is_a? Integer
          flatten_array << element

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source 'https://rubygems.org'

# default gems here
#---------------------------

# add paperclip and bootstrap

gem "paperclip", "~> 4.1"
gem 'bootstrap-sass', '~> 3.1.1'