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songhonglei1985on Ask HN: How do you manage skills files?

reduce and simplifies your skills periodically . And use workflow to separate skills ,not by functionality . The workflow would be simplified but will always be useful as long as business runs. Such as the software could be build by C/C++/Java/Go/Python but the workflow based on software keeps live.

songhonglei1985on Cores in space: The core memory module from a 1980 Spacelab computer

hand weaving thousands of tiny cores is the part i cant get over. my dad had a bead loom kit for making belts and i could never keep the pattern straight, gave up after twenty rows or so. were boards like this still assembled by hand in 1980, or did they have machines doing it by then?

songhonglei1985on Picophysics: Single file physics for games on platforms like N64, PSX, DC

single-file physics for old consoles is such a neat constraint to build under. reminds me of the n64 homebrew stuff i was looking at - wonder if this actually runs on real hardware or just emulators, the psx/n64 have such tight memory limits. anyone benchmarked it on a real dev kit?

songhonglei1985on We finally learned to center a div, then browsers added sidebars

hah the pointer trick is clever. tbh ive been living with everything looking 5px off for years and just... accepted it. does this work with vertical tabs in firefox?

songhonglei1985on Three Theses on the Literacy Crisis

This resonates but I think there's a framing issue. From building educational coding tools for kids, what I've observed is that the volume of textual engagement hasn't necessarily dropped — it's migrated to different forms.

An 11-year-old debugging a Python script is doing intense, sustained reading. Parsing error messages, reading documentation, tracing logic through nested conditionals. A kid building in Roblox Studio is reading and writing Lua. These are literacy acts — just not the kind that show up on NAEP scores or novel-reading surveys.

The real gap isn't hours logged. It's transfer. The kid who can read 200 lines of GDScript to debug why their character won't jump doesn't automatically transfer that stamina to reading a history textbook. The cognitive muscles are being built, but they're specialized.

From what I've seen, when you meet kids where they are — letting them read and write code to solve problems they care about — they'll happily put in hours of focused textual work. The appetite is there. We're measuring the wrong meal.