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A concise implementation of a hash map in 25 lines of C using FNV-1a hashing and bitwise AND for efficient modulo operation, with void pointers for type-generic storage.
The author shares progress on building a CPU-only tensor library in C, covering basics like add/mul, reduce, strides, and 2D matmul, along with insights from reading Arcee's technical blogs on foundation models.
An AI agent using a 30-billion-parameter model leverages headless screenshot loops to autonomously complete a raytraced first-person shooter demo written in C, showcasing advanced autonomous coding and debugging capabilities.
The winners of the 29th International Obfuscated C Code Contest (IOCCC 2025) have been announced, featuring near-record submission quality and volume after the 2020-2024 hiatus.
A developer shares their experience building apps for the revived Pebble watch in 2026, highlighting the use of AI tools and the preservation of the original app ecosystem through the Rebble Alliance.
SpaceX is finalizing a custom AI training stack written in C, utilizing pipeline parallelism and 220k GB300 GPUs to achieve over an order of magnitude speed improvement, with plans to develop an inference stack for reinforcement learning.
A retrospective blog post from 2023 recounts the four programming questions the author faced during a Microsoft internship interview in 1994, sharing the problems and context.
Developer built a multi-client terminal chat app in C from scratch using raw TCP sockets and select() for I/O multiplexing, as a step toward building EduOS, a privacy-first AI-native OS for African schools.
An archival version of John Regehr's C integers quiz, wrapped in JavaScript for browser compatibility, highlighting tricky undefined behavior and integer issues in C code.
A detailed exploration of how curly braces were typed on early Unix systems with Teletype Model 33, covering ASCII 1963, trigraphs, digraphs, and terminal driver translations.
The article criticizes C standard library functions for parsing integers (atol, strtol, strtoul, sscanf), explaining why most are broken and only strtol can be used correctly with careful error handling.
A 40-minute walkthrough explains the complete Transformer architecture via whiteboard diagrams and demonstrates a practical implementation in C using Vim.