Engineer who writes about software, side-projects, and the slow weird parts of building things at night.https://hasil.in/https://hasil.in/blog/when-neighborhoods-go-quiet/https://hasil.in/blog/when-neighborhoods-go-quiet/What feels like silence in urban India may be something larger: the slow reversal of a world where children were once economically necessary, and parenthood is now a deliberate, high-cost choice.Mon, 18 May 2026 00:00:00 GMTgenerallong-formindiasocietyhttps://hasil.in/blog/custom-blog-layouts-in-webflow-cms/https://hasil.in/blog/custom-blog-layouts-in-webflow-cms/A practical way to keep a Webflow CMS blog intact while allowing selected posts to use fully custom editorial layouts.Mon, 11 May 2026 00:00:00 GMTprogrammingwebflowcmsfrontendhttps://hasil.in/blog/shipping-a-write-ahead-log-in-three-evenings/https://hasil.in/blog/shipping-a-write-ahead-log-in-three-evenings/The naive version is forty lines. The version that survives a power-cut is six hundred. Here is what changed between them, and the moment I almost gave up.Tue, 28 Apr 2026 00:00:00 GMTprogrammingrustpostgresdistributedhttps://hasil.in/blog/observability-is-just-paranoia-with-graphs/https://hasil.in/blog/observability-is-just-paranoia-with-graphs/Why I instrument everything, even the parts that "obviously cannot fail." A field guide to wiring tracing into a small system without losing your weekend.Tue, 14 Apr 2026 00:00:00 GMTprogrammingobservabilitytoolinghttps://hasil.in/blog/on-keeping-a-paper-notebook/https://hasil.in/blog/on-keeping-a-paper-notebook/I tried six different note-taking systems in twelve months. This is what stuck, and why ink on dead trees still beats every plain-text vault I built.Tue, 07 Apr 2026 00:00:00 GMTgenerallong-formhttps://hasil.in/blog/wasm-as-a-plugin-runtime/https://hasil.in/blog/wasm-as-a-plugin-runtime/The pitch is great. The reality involves four layers of ABI, two flavors of memory, and exactly one segfault you will spend a Saturday on.Mon, 30 Mar 2026 00:00:00 GMTprogrammingwasmrusttoolinghttps://hasil.in/blog/a-letter-to-the-machine/https://hasil.in/blog/a-letter-to-the-machine/Found in a notebook, undated. The author is unknown. The recipient never replied.Sun, 22 Mar 2026 00:00:00 GMTstoriesfictionshorthttps://hasil.in/blog/compilers-are-just-string-manipulation-with-anxiety/https://hasil.in/blog/compilers-are-just-string-manipulation-with-anxiety/Building a tiny language for fun, learning what a parser actually is, and discovering that the hard part was never the parser.Sat, 14 Mar 2026 00:00:00 GMTprogrammingcompilersrusthttps://hasil.in/blog/walking-as-a-debugger/https://hasil.in/blog/walking-as-a-debugger/Why I solve more bugs at 6km/h than I ever do at the keyboard. A short defense of the long walk as a professional tool.Fri, 06 Mar 2026 00:00:00 GMTgenerallong-form