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Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer runs each line of code. You can use it to write Python, Java, C, C++, JavaScript, and Ruby code in your web browser and see its execution visualized step by step.

Still don't feel like a “real“ programmer? Beyond the Basic Stuff covers software development tools and best practices so you can code like a professional.

Learn more about Reaktor's and the University of Helsinki's AI course - no programming or complicated math required.

Twitter and other social media platforms represent a large and largely untapped resource for social data and evidence. In this post, Wasim Ahmed updates his recurring series on the Impact Blog, to …