Stack Overflow is the best Q&A platform for developers and is used by millions to learn and share technical knowledge.

cplusplus.com is a comprehensive online resource offering C++ tutorials, a detailed language reference, articles, and an active community forum for programmers.

CodeAvail is an online academic help service for computer science students and professionals.

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JavaAssignmentHelp.com offers expert online programming assignment, homework, and project help for Java and various other computer science subjects to students globally.

A community forum for Ruby developers to discuss programming questions, share knowledge, and find solutions related to the Ruby language and Rails framework.