Hacker News: jtbaker

New comment by jtbaker in "ML promises to be profoundly weird"

jtbaker — Thu, 09 Apr 2026 02:07:07 +0000

the Stepchange show went fairly deep on this topic in their first episode (listened to it recently). https://www.stepchange.show/coal-part-i

New comment by jtbaker in "Dropping Cloudflare for Bunny.net"

jtbaker — Tue, 07 Apr 2026 16:56:28 +0000

Yeah, but then I'm heavily coupled to their proprietary infrastructure. Maybe a good thing for them, but a nonstarter for thinking about building a real business on, for me and many others I'd presume.

New comment by jtbaker in "Dropping Cloudflare for Bunny.net"

jtbaker — Tue, 07 Apr 2026 14:55:36 +0000

DB seems like the main shortcoming in the stack for them. I don't want to deal with the limitations of D1. Seems like a serverless postgres setup a la Neon/Supabase would be a slam dunk.

New comment by jtbaker in "More precise elevation data for GraphHopper routing engine"

jtbaker — Thu, 26 Mar 2026 13:40:08 +0000

our open source system. We use this tool to serve a custom routing engine at day job. Handles 100req/s djikstra in a 2GB pod, due to precalculation of contraction hierarchies.

New comment by jtbaker in "Claude Code Cheat Sheet"

jtbaker — Tue, 24 Mar 2026 01:42:57 +0000

> And I only mentioned options. How do you store "every stock quote and options trade in the past 4 years" in 263 GB!?

I think this would be pretty straightforward for Parquet with ZSTD compression and some smart ordering/partitioning strategies.

New comment by jtbaker in "Pandas Exercises for Data Analysis (Interactive)"

jtbaker — Wed, 18 Mar 2026 15:24:01 +0000

DuckDB and SQL FTW.

New comment by jtbaker in "Big data on the cheapest MacBook"

jtbaker — Fri, 13 Mar 2026 02:05:45 +0000

Doesn’t matter. The point is that DuckDB can operate well on a wide range of infrastructure and is well suited for operating in resource constrained environments.

New comment by jtbaker in "Big data on the cheapest MacBook"

jtbaker — Fri, 13 Mar 2026 01:57:40 +0000

Post to HN apparently

New comment by jtbaker in "Announcing DuckDB 1.5.0"

jtbaker — Mon, 09 Mar 2026 17:57:43 +0000

The changelog is remarkable. Thanks to this team for creating such an amazing tool. It's genuinely the technology I've been most excited about in a long time. Makes the ergonomics of working with large data a joy and extremely fast.

New comment by jtbaker in "Log messages are mostly for the people operating your software"

jtbaker — Mon, 09 Mar 2026 03:59:41 +0000

IDK, they were sending around stacks of Mac Studios to tinkerer youtubers messing with EXO clustering like @geerlingguy.

https://youtu.be/1iT9JeZYXcI?si=UMR0nfHAYbVq2tF1

New comment by jtbaker in "Nobody gets promoted for simplicity"

jtbaker — Wed, 04 Mar 2026 05:05:55 +0000

How do you ascribe a revenue number like that based on one collection of changes in a huge system? Presumably there were a bunch of other features being released around the same time as it. Was there a lot of A/B testing around it?

New comment by jtbaker in "MacBook Pro with M5 Pro and M5 Max"

jtbaker — Wed, 04 Mar 2026 04:50:01 +0000

Ok, but prefill/prompt processing was definitely the weak point before. They were already solid in raw tokens/sec after TTFT

New comment by jtbaker in "MacBook Pro with M5 Pro and M5 Max"

jtbaker — Wed, 04 Mar 2026 04:47:58 +0000

my mac mini m4 is getting to be a good substitute for claude for a lot of use cases. LM Studio + qwen3.5, tailscale, and an opencode CLI harness. It doesn't do well with super long context or complexity but it has gotten production quality code out for me this week (with some fairly detailed instructions/background).

New comment by jtbaker in "MacBook Air with M5"

jtbaker — Wed, 04 Mar 2026 03:27:27 +0000

I hope so! I already have the M4 mini pro - would like to bump up the prompt processing time and the memory bandwidth at the same time with the new M5 matmul changes.

New comment by jtbaker in "MacBook Air with M5"

jtbaker — Tue, 03 Mar 2026 15:14:49 +0000

studio with m5 ultra this week might have me pulling the trigger.

New comment by jtbaker in "How we rebuilt Next.js with AI in one week"

jtbaker — Tue, 24 Feb 2026 22:23:12 +0000

All my homies hate Next.js

New comment by jtbaker in "Facebook is cooked"

jtbaker — Fri, 20 Feb 2026 18:38:54 +0000

I think it's more like the husbands left the platform first.

New comment by jtbaker in "iOS 27 'Rave' Update to Clean Up Code, Could Boost Battery Life"

jtbaker — Mon, 16 Feb 2026 15:37:10 +0000

this would make me so happy!

New comment by jtbaker in "Apache Arrow is 10 years old"

jtbaker — Thu, 12 Feb 2026 17:17:27 +0000

I know pandas has a lot of technical warts and shortcomings, but I'm grateful for how much it empowered me early in my data/software career, and the API still feels more ergonomic to me due to the years of usage - plus GeoPandas layering on top of it.

Really, prefer DuckDB SQL these days for anything that needs to perform well, and feel like SQL is easier to grok than python code most of the time.

New comment by jtbaker in "Every book recommended on the Odd Lots Discord"

jtbaker — Mon, 09 Feb 2026 15:53:20 +0000

I'm not mad about it. Joe seems like a chill dude and is having fun.