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Hot Code Reloading in C

Tsoding Daily
Tutorials
YouTube
1 HN user recommended this tutorial1 month2024–2025 score 1
Years with an HN recommendation, 2007–2026

HN commenters cite it as a hands-on example of hot reloading and live coding in C.

A long Tsoding Daily programming stream in which he implements hot code reloading in C by loading a dynamic library at runtime without stopping the main program. It also touches on migrating struct versions across reloads.

“he hot reloads a dynamic library without interrupting the main program, to test different functionality.” (HN, 2025)

1 recommendations · 2 citations · Tutorials · intermediate

3 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@fainpul Jun 2025 Recommends
on HN thread Malleable software: Restoring user agency in a world of locked-down apps
For anyone interested in this: Tsoding (Twitch and YouTube streamer of "recreational programming") demonstrates this in one of his projects, where he hot reloads a dynamic library without interrupting the main program, to test different functionality. [this video]
Tsoding hot reloads a dynamic library without interrupting the main program.

Citations, criticism and jokes

@el_oni Jan 2024 Cites it
on HN thread C and C++ Hot-Reload/Live Coding
There is a tsoding daily video with hot code reloading in C [0]. He dicusses techniques for this. one of which is a "migration" approach, similar to database migrations. Where, for example, you have a version number in your struct. and a function for migrating from an old version to a new version. I don't think he implements it in that video though. [0] [this video]
Tsoding discusses hot reloading techniques including migration of struct versions.
@lkuty Jul 2025 Cites it
on HN thread Interactive Programming in C (2014)
Tsoding made a video about hot code reloading in C ( [this video] ) and also used the same concept in "My Own 3b1b Animation Engine but in C" ( [link] ).
Tsoding video on hot code reloading in C.

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

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