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jcadam commented on Ask HN: What Are You Working On? (December 2025)    · Posted by u/david927
jcadam · a day ago
https://trivyn.io

Trivyn: Ontology-first knowledge platform. Runs on a single machine, via a single executable. I wanted a simpler alternative to the large complicated enterprise products that tend to dominate this space.

I'm really trying to get a private beta out the door by Christmas. I do plan to have a free version for academic/personal use.

Backend is written in Rust, uses oxigraph for its triple store.

jcadam commented on 100k TPS over a billion rows: the unreasonable effectiveness of SQLite   andersmurphy.com/2025/12/... · Posted by u/speckx
jcadam · 14 days ago
I've been getting some good results from sqlite-vec on my current project. I need to look at geospatial extensions next.
jcadam commented on Advent of Code 2025   adventofcode.com/2025/abo... · Posted by u/vismit2000
fainpul · 16 days ago
Opinion poll:

Python is extremely suitable for these kind of problems. C++ is also often used, especially by competitive programmers.

Which "non-mainstream" or even obscure languages are also well suited for AoC? Please list your weapon of choice and a short statement why it's well suited (not why you like it, why it's good for AoC).

jcadam · 16 days ago
I tried to do it in emacs lisp one year. Made it about halfway :)
jcadam commented on Typed languages are better suited for vibecoding   solmaz.io/typed-languages... · Posted by u/hosolmaz
jcadam · 4 months ago
I've found most LLMs I've tried generate better code in typed, procedural languages than they do in something like Clojure.

From the perspective of a primarily backend dev who knows just enough React/ts to be dangerous, Claude is generating pretty decent frontend code, letting me spend more time on the Rust backend of my current side project.

jcadam commented on Starlink is currently experiencing a service outage   starlink.com/us... · Posted by u/throwmeaway222
jcadam · 5 months ago
Yea, my house is on Starlink... so at the moment I'm working in the back room of my wife's restaurant (she has cable internet). At least I get free coffee here.
jcadam commented on Ask HN: How did Soham Parekh get so many jobs?    · Posted by u/jshchnz
jcadam · 5 months ago
Most US citizens applying for software engineering jobs can't even get a response to their resume, and then I read stories like this.
jcadam commented on I got a remote job for a EU company, I'd find it hard to go back to a US-based   businessinsider.com/remot... · Posted by u/nixass
austin-cheney · 6 months ago
I have had a federal security clearance since I was a teenager and most of that time it’s been a top secret clearance. Yet, I never worked as a government contractor until my current employment. Huge mistake.

It’s so much better than the corporate world even as a software developer and even with all the draconian security restrictions. Actually, the restrictions are nearly identical to working at a major bank. The primary reason it’s so much better is the people. The people tend to skew much older with far more experience, they tend to be better educated, and they all must have clearances and IT certifications. That eliminates so much of the entitlement, insecurity, and general stupidity I saw in my peers as a 15 year corporate software developer.

jcadam · 6 months ago
I worked in defense contracting for most of my ~20 year career up until a few months ago. So I'm experiencing this culture shock the other way around. Being the oldest person on a team is... strange.

Still have my clearance for a couple years I suppose - perhaps all this anti-remote madness will be over before then.

jcadam commented on Java at 30: Interview with James Gosling   thenewstack.io/java-at-30... · Posted by u/chhum
jcadam · 7 months ago
Been coding on the JVM for a good chunk of my career. Though the last several years has been in languages other than Java - Scala, Clojure (my personal favorite), and Kotlin.

Finally managed to get a job offer (after being unemployed for a bit) doing Python. It's starting to look like demand for JVM experience is beginning to wane. Might be time to move on anyway :shrug:

I'm old... as long as there's a steady paycheck involved, I'll code in whatever language you say.

Though, currently working on a little personal project in Scala. :)

jcadam commented on The world could run on older hardware if software optimization was a priority   twitter.com/ID_AA_Carmack... · Posted by u/turrini
bruce511 · 7 months ago
You're on the right track, but missing an important aspect.

In most cases the company making the inferior product didn't spend less. But they did spend differently. As in, they spent a lot on marketing.

You were focused on quality, and hoped for viral word of mouth marketing. Your competitors spent the same as you, but half their budget went to marketing. Since people buy what they know, they won.

Back in the day MS made Windows 95. IBM made OS/2. MS spend a billion $ on marketing Windows 95. That's a billion back when a billion was a lot. Just for the launch.

Techies think that Quality leads to sales. If does not. Marketing leads to sales. There literally is no secret to business success other than internalizing that fact.

jcadam · 7 months ago
It's not just software -- My wife owns a restaurant. Operating a restaurant you quickly learn the sad fact that quality is just not that important to your success.

We're still trying to figure out the marketing. I'm convinced the high failure rate of restaurants is due largely to founders who know how to make good food and think their culinary skills plus word-of-mouth will get them sales.

jcadam commented on Ask HN: Do You Prepare for Job Interviews? If So, How?    · Posted by u/dovab
jcadam · 7 months ago
I actually had Grok throw a bunch of practice interview questions at me.

u/jcadam

KarmaCake day6411September 24, 2014
About
Senior Engineer skilled in various technologies: Scala, Clojure, Python, Java, Rust, etc. Available for remote contract and FTE work.

Current project - a simpler knowledge graph platform: https://trivyn.io

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