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Create and run notebooks offline with embedded Python. Write and execute code snippets, add markdown text, and include scientific computation packages. Save and share notebook files directly.
Test knowledge of HTML, CSS, JavaScript, PHP, Java, Python, and C++ with randomized multiple-choice and multi-answer questions. View final score and receive hints for incorrect answers to identify mistakes.
Compile and run C++ on mobile devices with integrated Python and Lua environments. Execute Linux commands via console. Support highlighting, split-screen display, and console input/output.
Compile and run code in 17 programming languages including Java, Python, C/C++, and JavaScript. Edit and save files directly. View output results instantly. Support for syntax highlighting and error detection.
Learn and write Python 3.13 code with an integrated environment. Run, debug, and share scripts. Access libraries like OpenCV, NumPy, Pandas, and Matplotlib for data analysis and visualization. Import and manage Python packages from PyPI.
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Learn programming with code examples for and SQL. Access solutions for substring extraction, method declaration, database queries, table joins, data sorting, and SQL Server data types. Find ready-to-use code from books and trusted online sources.