Beginner

It's 2013, and there's no way around it: you need to learn how to use GitHub.

Build powerfully simple browser apps.

This is a series of interactive exercises for learning Microsoft's Reactive Extensions (Rx) Library for Javascript.

Since its initial publication in 2010, the Ruby on Rails Tutorial has been one of the leading introductions to web development. In this bestselling tutorial, you'll learn how to develop and deploy real, industrial-strength web applications with Ruby on Rails, the open-source web framework that powers top websites such as Hulu, GitHub, Shopify, and Airbnb.

RailsCasts Pro episodes are now free!

This is the website for �R for Data Science�. This book will teach you how to do data science with R: You'll learn how to get your data into R, get it into the most useful structure, transform it, visualise it and model it.

On R-exercises, you will find hundreds of exercises that will help you to learn R. We've bundled them into exercise sets, where each set covers a specific concept or function.

This web site is building a set of free materials, lectures, book and assignments to help students learn how to program in Python. You can take this course and receive a certificate

This is a huge collection of Python Examples and Python Programs. These Python Tutorials provide detailed Python code examples with great explanation.

Latest Project Management Blog Posts From The Leading Project Management Bloggers

With more than 10 years of being on the scene, it is safe to say that �Green PM� is not just a passing fad. The following tips and best practices might be helpful in your efforts to instill green thinking into your project.

Your way into the project management world.

To be leader in Portfolio, Program and Project Management Education and Consulting services with Inherently Simple approach and to bring about the Transformational Change in the organizations to Realize Measurable Benefits

A Global Conversation on Best Practices Leadership, Project Managment & More!

SQL for Web Nerds by Philip Greenspun