Showing 81–100 of 1,000 ranked alternatives.
Dr. Ralph Heider
Learn SQL query operations and results.
The app presents primitive and derived operations for SQL92 and SQL86/89 queries. It displays query results and descriptions, and the SQL test script used for calculations can also be viewed.
Fedor Obraztsov
Learn programming with code examples
Learn programming with code examples for and SQL. Find solutions to common coding problems like substring extraction, database queries, and table joins. Access ready-to-use code snippets from books and trusted online sources.
Coddy, Inc.
Code through interactive lessons
Through interactive challenges in Python, JavaScript, C++, HTML, CSS, and SQL. Write and run code instantly to solve puzzles. Track progress and complete real-world tasks to build practical skills.
Viktor Weimer
Simulate milling and G-code
Simulate milling operations in 2.5D with G and M code support. Edit and run G0 to G95 codes. Use radius compensation G41/G42. View sharp vector graphics and zoom. Access multiple languages. Track tool paths and machine movements.
CHESSQUEEN INC
Practice with 4300 exercises
Learn tactical methods through exercises on Fork, pin, double check, and more. Practice over 4300 problems to improve recognition of combinations. Track progress and apply techniques in real games.
晨亮 贾
Edit databases and manage files
Browse and manage files including databases, SQL files, CSV files, and folders. Import databases from iCloud Drive. Open external SQL, CSV, and filter files. Rename, duplicate, or remove files and folders. Edit databases with intuitive tools.
CHESSQUEEN INC
Practice with exercises and examples
Learn with 240 teaching examples and 340 exercises categorized by 30 tactical methods. Practice by solving problems and reviewing solutions. Track progress through structured lessons and level-based content.
CHESSQUEEN INC
Solve puzzles and analyze tactics
Practice tactics with over 1300 exercises, including 200 exploratory examples and 1100 solving problems. Learn 40 tactical methods and motifs. Track progress across skill levels from beginner to professional.
颖 钟
JavaScript with built-in tools
Write and execute JavaScript in an integrated environment. Access system utilities for file management, network requests, and data processing. Create custom scripts for automation and development. Debug and test with real-time feedback.
NumWorks
Calculate, graph, and explore math problems
Solve math problems with , algebra, and calculus functions. Input equations, plot graphs, and analyze results. Store and recall previous calculations. Sync with calculators for seamless data transfer.
小文 黄
Learn code, test examples, share projects
Learn C/C++ with interactive lessons and code examples. Write, compile, and run code directly within the . Share code snippets and track progress. Includes syntax highlighting and practical exercises for hands-on practice.
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