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Create a GitHub repository, set visibility, write a README that tells a stranger how to clone and run the project, and push the first history.
Sign commits when the project requires it, keep tokens out of history, and rotate a leaked credential as a documented incident.
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Browse HTML, CSS, JavaScript, Python, C, C++, SQL and Git tutorials.
Start in the terminal, understand an existing repository, and build focused changes with planning, tests, Git review, CLAUDE.md and carefully scoped MCP tools.
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