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CSS Basics | edX

Learn how to take your Web pages from bland to bold with the power of CSS styling. Source: CSS Basics | edX

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HTML5 and CSS Fundamentals | edX

Learn how to build Web sites using HTML5 and basic CSS, directly from W3C, creator of the latest Web standards. Source: HTML5 and CSS Fundamentals | edX

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edX | Free Online Courses by Harvard, MIT, & more | edX

Access 2000 free online courses from 140 leading institutions worldwide. Gain new skills and earn a certificate of completion. Join today. Source: edX | Free Online Courses by Harvard, MIT, & more | edX

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Khan Academy | Free Online Courses, Lessons & Practice

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Source: Khan Academy | Free Online Courses, Lessons & Practice

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PostgreSQL Tutorials, Resources and Training | EDB

PostgreSQL High availability – ha, Backup and recovery, Automatic failover, PostgreSQL Extensions, and resources on being successful with Postgres. Source: PostgreSQL Tutorials, Resources and Training | EDB

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SQL Is Hard – Let’s Get Started

Learning SQL can be tough. SQLisHard.com is an interactive set of exercises to help you learn SQL online using hands-on exercises with Microsoft TSQL on SQL Server. Source: SQL Is Hard – Let’s Get Started

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Pricing | Codecademy

It’s never too late to learn a new skill, and Codecademy Pro is free to try! See pricing options for our Basic, Pro, Student, and Teams plans here. Source: Pricing | Codecademy

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Ruby on Rails – Quick Guide – Tutorialspoint

Ruby on Rails – Quick Guide – Before we ride on Rails, let us recapitulate a few points of Ruby, which is the base of Rails. Source: Ruby on Rails – Quick Guide – Tutorialspoint

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Ruby on Rails Tutorial – Tutorialspoint

Ruby on Rails Tutorial – Ruby on Rails is an extremely productive web application framework written in Ruby by David Heinemeier Hansson. This tutorial gives you a complete understanding Source: Ruby on Rails Tutorial – Tutorialspoint

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How to compare two arrays if they have similar values or not in ruby

Source: How to compare two arrays if they have similar values or not in ruby