ahmadhasankhan

Please visit https://asistencia.in/blogs/1-mysql-5-5-installation-guide

Thank you

ahmadhasankhan

def solution(a, x, d)
  k = a.size
  position = 0
  if position+d >= x
    return 0;
  end

  (0..k).each do |i|
 if (a[i] - position) <= d

ahmadhasankhan

Deploy Ruby On Rails on Ubuntu 14.04

Server: Nginx with Phusion Passenger

Ruby Version: 2.1.3

User System: deploy

User System

ahmadhasankhan

AuthLogic with Ruby On Rails-4

Implementing user registration and session handling using AuthLogic in Rails 4 from scratch.

Follow along:

Create a new rails application-

$ rails new login_application
$ cd login_application
$ vim Gemfile

ahmadhasankhan

Ruby and Rails Interview Questions

Ruby

• What is a class?
• What is an object?
• What is a module? Can you tell me the difference between classes and modules?
• Can you tell me the three levels of method access control for classes and modules? What do they imply about the method?
• There are three ways to invoke a method in ruby. Can you give me at least two?
• Explain this ruby idiom: a ||= b

ahmadhasankhan

In gem file

group :development, :test do
  gem 'rspec-rails', '~> 3.0.0'
  gem 'factory_girl_rails'
  gem 'capybara'
  gem 'database_cleaner'
end

ahmadhasankhan

#1===========First code================

#!/usr/bin/env ruby

databases = {
    :local_db => {
      :database => 'my_db',
      :username => 'root',
      :password => 'admin',
      :host => 'localhost'

ahmadhasankhan

The Rails Style Guide

This Rails style guide recommends best practices so that real-world Rails programmers can write code that can be maintained by other real-world Rails programmers. A style guide that reflects real-world usage gets used, and a style guide that holds to an ideal that has been rejected by the people it is supposed to help risks not getting used at all – no matter how good it is.

The guide is separated into several sections of related rules. I've tried to add

ahmadhasankhan

# Oracle/OCI 8i, 9, 10g
#
# Requires Ruby/OCI8:
#  http://rubyforge.org/projects/ruby-oci8/
#
# Specify your database using any valid connection syntax, such as a
# tnsnames.ora service name, or an SQL connect string of the form:
#
#   //host:[port][/service name]
#