C Recipes: Code & SQL

Runnable C + SQL cheat sheet

Free · In-App Purchases

270+ C examples and 200+ SQL queries, 280+ free in total. Tap Run and see the real output right in the app. An everyday C reference, from strings and pointers to memory management, the preprocessor and design patterns. Tricky parts of the examples are explained in comments. • 20 sections, including basic types, arrays and collections, pointers and memory management, structs and enums, functions and function pointers, preprocessor and macros, error handling, regular expressions, threading, files, algorithms, design patterns. • Language changes by version: 5 sections from C89 to C23, with before-and-after code. • Keyword and function reference: over 240 articles. Browse, search, or tap a word in the code to open its article. • SQL included: over 200 queries (JOIN, GROUP BY, subqueries, data types); more than half run on a real practice database. • Run in the app: the output appears directly below the code, no IDE or compiler needed. More than 95% of examples run. Requires an internet connection. • Search covers the code itself, not just titles: type a fragment you remember and find the example. • Edit examples or add your own; your changes and additions are saved in the app. • Everything except running code works offline. No account needed. Examples are curated from professional sources and checked before release: the code works and is easy to follow. FREE VERSION • 12 runs (examples and SQL combined) and 12 edits a day • Full keyword and function reference, no limits • Up to 5 examples of your own The full version unlocks every example and query, removes the limits on edits and on your own examples, and raises the daily run limits to 30 for examples and 80 for SQL. One-time purchase, no subscription. Built by a developer for developers. The CodePro project has been in active development since 2015.

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    Information

    Provider
    Fedor Obraztsov
    Size
    3.9 MB
    Category
    Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    English and 14 more
    • English, Arabic, French, German, Hebrew, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © Fedor Obraztsov
  • Developer Website
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