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Practice and level up your development skills and prepare for technical interviews.
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Download and solve practice problems in over 30 different languages.
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Project Euler is a series of challenging mathematical/computer programming problems that will...
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Get exceptionally good at coding interviews.
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Make coding a habit. Join the growing community.
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The DMOJ is a modern contest platform and archive of programming problems.
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GitHub-hosted compilation of code for the same solutions across multiple programming languages.
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PHP and Symfony Tutorial Screencasts - with free videos, scripts, and code downloads!
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LabEx is an interactive, hands-on learning platform dedicated to coding and technology. It combines labs, AI assistance, and virtual machines to provide a no-video, practical learning experience.