naimrajib07

Array

• Two Sum
• Best Time to Buy and Sell Stock
• Contains Duplicate
• Product of Array Except Self
• Maximum Subarray
• Maximum Product Subarray
• Find Minimum in Rotated Sorted Array

naimrajib07

def rot13(secrete_messages)
    alphabetSet = {1 => 'a', 2 => 'b', 3 => 'c', 4 => 'd', 5 => 'e', 6 => 'f', 7 => 'g',
                   8 => 'h', 9 => 'i', 10 => 'j', 11 => 'k', 12 => 'l', 13 => 'm', 14 => 'n',
                   15 => 'o', 16 => 'p', 17 => 'q', 18 => 'r', 19 => 's', 20 => 't', 21 => 'u',
                   22 => 'v', 23 => 'w', 24 => 'x', 25 => 'y', 26 => 'z'}

     secrete_messages.map do |elm|
      if (elm == '' || !alphabetSet.has_value?(elm.downcase))
        if(elm.length > 1)
          rot13(elm.split('')).join()

naimrajib07

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

#define LISTEN_PORT 80

// Set your wifi credential
const char *ssid = "Your Wifi Name";
const char *password = "Your Wifi Password";

naimrajib07

# In your app's root.
# Make Pow!! export all the env variables contained in the .env file used by Foreman.
export $(cat .env)

naimrajib07

• Jim Weirich: The Building Blocks of Modularity – http://goo.gl/g4Nk
• Jim Weirich: SOLID Ruby – http://goo.gl/z3jd
• Sandi Metz: SOLID Object-Oriented Design – http://goo.gl/PDn6T
• Sandi Metz: Less – The Path to Better Design – http://goo.gl/VuTl4
• Demeter is for Encapsulation – http://is.gd/eeyLx
• Opinionated Modular Code – http://is.gd/eeyXm
• Scaling to Hundreds of Millions of Requests – http://vimeo.com/12814529
• Confident Code – http://goo.gl/VFLX
• Destroy All Software Screencasts – https://www.destroyallsoftware.com/screencasts
• Corey Haines: Fast Rails Tests – http://goo.gl/Va2gb

naimrajib07

# This is a skeleton for testing models including examples of validations, callbacks,
# scopes, instance & class methods, associations, and more.
# Pick and choose what you want, as all models don't NEED to be tested at this depth.
#
# I'm always eager to hear new tips & suggestions as I'm still new to testing,
# so if you have any, please share!
#
# @kyletcarlson
#
# This skeleton also assumes you're using the following gems: 

naimrajib07

Grab new backup of database

Command: heroku pgbackups:capture --remote production

Response: >>> HEROKU_POSTGRESQL_COLOR_URL (DATABASE_URL) ----backup---> a712

Get url of backup download

Command: heroku pgbackups:url [db_key] --remote production

naimrajib07

http://www.zhlwish.com/2012/07/23/rails-activesupport-concern/

# autoload concerns
module YourApp
  class Application < Rails::Application
    # config.autoload_paths += %W(
    #     #{config.root}/app/controllers/concerns/
    #      #{config.root}/app/models/concerns/
    #   )

naimrajib07

# @params img_file String
# @return number of 0 and 1
#
# irb =>
#     => require '/home/naim/Desktop/bit_counter.rb'
#     => count_bits '/home/naim/Desktop/SAM_1247.jpg' 
#

def count_bits img_file
    img_file = File.read img_file 

naimrajib07

How to setup Heroku Hostname SSL with GoDaddy SSL Certificate and Zerigo DNS
Heroku recently added an exciting new 'Hostname SSL' option.  This option offers the broad compatibility of IP-based SSL, but at 1/5 the price ($20 / month at the time of this writing).  
 
The following tutorial explains how to use Heroku's new 'Hostname SSL' option on your Heroku project.  Before we begin, let's list what we're using here:

    * Heroku Hostname SSL
    * GoDaddy Standard SSL Certificate
    * Zerigo DNS