601
LLMs and Elixir: Windfall or deathblow?
How the Elixir community can survive — and thrive — in an age of LLMs.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,747 posts.
602
Shardines: SQLite3 Database-per-Tenant with ActiveRecord
There is a pattern I am very fond of - “one database per tenant” in web applications with multiple, isolated users. Recently, I needed to fix an application I had for a long time where this database-per-tenant multitenancy utterly broke down, because I was doing connection management wrong. Which begat the question…
603
Building a DOOM-like multiplayer shooter in pure SQL
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
604
What If We Could Rebuild Kafka from Scratch?
The last few days I spent some time digging into the recently announced KIP-1150 ("Diskless Kafka"), as well AutoMQ’s Kafka fork, tightly integrating Apache Kafka and object storage, such as S3. …
605
606
Baba Is Eval
Baba is You is a sokoban puzzle game where the rules themselves have to be manipulated to win. (For the uninitiated, the store page should explain the idea best.) The level of abstraction required to solve most levels makes it a formidable reasoning benchmark, with many reasoning steps being completely orthogonal to…
607
Writing an LLM from scratch, part 22 – training our LLM
Finally, we train an LLM! The final part of Chapter 5 of Build an LLM (from Scratch) runs the model on real text, then loads OpenAI’s GPT-2 weights for comparison.
608
Rust to C compiler – 95.9% test pass rate, odd platforms
I am experimenting a bit with a new article format: instead of an overarching theme, this is more of a collection of smaller bits and pieces, sewn together.
609
Some programming language ideas
Programming languages seem to have somewhat stagnated to me. A lot of shuffling around ideas that already exist, not a lot of new ones.
610
Mesh: I tried Htmx, then ditched it
Alex Moon is an Australian-British software engineer and artist based in the North East of England.
611
Speeding up my ZSH shell
Super quick one I want to document here! I got myself on a side quest, again! No biggie, my ZSH shell was taking ages to load. When I say ages, more like...
612
Discovery Coding
Discovery coding is a practice of understanding a problem by writing code first, rather than attempting to do some design process or thinking beforehand.
613
Go subtleties
Some of my favorite tidbits from the past year of working with Go.
614
Create and edit images with Gemini 2.0 in preview
Explore how to generate and edit images with Gemini 2.0 Flash, now in preview in Google AI Studio
615
Gemini CLI GitHub Actions
Today, we’re introducing Gemini CLI GitHub Actions. It’s a no-cost, powerful AI coding teammate for your repository. It acts both as an autonomous agent for critical rou…
616
Microsoft please get your tab to autocomplete shit together
What do you think is gonna happen after I press tab when looking at this screenshot?
617
I Switched from Flutter and Rust to Rust and Egui
This is just a personal experience, there are no absolute truths. Like in any other blog post, a lot of the things you'll read here could be just a skill issue, or legitimate issues. It's up to you to decide.
618
How rqlite is tested
rqlite is a lightweight, open-source, distributed relational database written in Go, and built on SQLite and Raft. With its origins dating back to 2014, its design has always prioritized reliability, and quality. The robustness of rqlite is also a testament to its disciplined testing strategy: after more than 10 years…
619
Expanding on what we missed with sycophancy
A deeper dive on our findings, what went wrong, and future changes we’re making.
620
We replaced our React front end with Go and WebAssembly
Build powerful software environments and containerized operations from modular components and simple functions. Perfect for complex software delivery and AI agents. Built by the creators of Docker.
621
Vibe coding cleanup as a service
The rise of AI-powered coding has created an unexpected market: cleaning up the technical debt from prompt-generated software. Here's why 'Vibe Coding cleanup' is becoming a legitimate service category and what it means for the future of software development.
622
Addendum to GPT-5 system card: GPT-5-Codex
This addendum to the GPT-5 system card shares a new model: GPT-5-Codex, a version of GPT-5 further optimized for agentic coding in Codex. GPT-5-Codex adjusts its thinking effort more dynamically based on task complexity, responding quickly to simple conversational queries or small tasks, while independently working…
623
Behind the 6-digit code: Building HOTP and TOTP from scratch
Personal website of Doğaç Eldenk.
624
Lynx: Open Source Native Cross Platform framework used in TikTok
Today, we're excited to introduce Lynx, a family of technologies empowering developers to use their existing web skills to create truly native UIs for both mobile and web from a single codebase...
625
CocoaPods trunk read-only plan
The blog for CocoaPods.org the Cocoa Dependency Manager
626
Writing a simple windows driver in Rust
The Rust language ecosystem is growing each day, its popularity increasing, and with good reason. It’s the only mainstream language that provides memory and concurrency safety at compile time…
627
Graceful Shutdown in Go: Practical Patterns
Go applications can implement graceful shutdown by handling termination signals (SIGTERM, SIGINT) via os/signal or signal.NotifyContext. Shutdown must complete within a specified timeout (e.g., Kubernetes’ terminationGracePeriodSeconds)…
628
Heap-overflowing Llama.cpp to RCE
Retr0's Threat Research
629
Using uv and PEP 723 for Self-Contained Python Scripts
We all love Python’s comprehensive standard library, but let’s face it – PyPI’s wealth of packages often becomes essential. Sharing single-file, self-contained Python scripts that rely on these external tools can be a headache. Historically, we’ve relied on requirements.txt or full-fledged package managers such as…
630
Parsing Protobuf like never before
Historically I have worked on many projects related to high-performance Protobuf, be that on the C++ runtime, on the Rust runtime, or on integrating UPB , the fastest Protobuf runtime, written by my colleague Josh Haberman . I generally don’t post directly about my current job, but my most recent toy-turned-product is…