This story was originally published on HackerNoon at: https://hackernoon.com/go-the-testingsynctest-package-explained.
In Go 1.25, the testing/synctest package has graduated from experiment to general availability.
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Go 1.25 introduces the `testing/synctest` package. This package can significantly simplify writing tests for concurrent, asynchronous code. In Go 1.24, the package was an experimental package. Now it is general availability.

This story was originally published on HackerNoon at: https://hackernoon.com/rusts-wasi-targets-whats-changing.
In this post we'll discuss the introduction of the new targets, the motivation behind it, and what that means for existing WASI targets.
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Rust 1.78 will introduce new `wasm32-wasip1` (tier 2) and `wasms32- wasip2' (tier 3) targets. Users of WASI 0.1 are encouraged to begin migrating to the new** 'wasm 32-wasi' target. The existing `wask32-unknown-unknown' and 'wassam32-emscripten' targets are unaffected by this post.

This story was originally published on HackerNoon at: https://hackernoon.com/redefining-a-in-vga-mode-03h.
Change the appearance of an ASCII character - in this case 'A' - by redefining its pixel data.
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In the 8086-era DOS environment, text display typically relied on the BIOS and the graphics adapter’s built-in character generator. The fonts were firmly tied to specific text modes implemented by adapters such as CGA, EGA, or VGA. One of the most common modes was text mode 03h, which presented an 80×25 text grid. This time, we’ll change the appearance of an ASCII character - in this case 'A' - by redefining its pixel data.