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Using PostgreSQL as a Dead Letter Queue for Event-Driven Systems
Learn how to use PostgreSQL as a Dead Letter Queue (DLQ) for event-driven systems. Case study from Wayfair showing how to handle failures in Kafka consumers with PostgreSQL.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 14,535 posts.
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Readable Clojure
Some advices to writing Clojure code
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The design of Chacha20
Chacha20 is a secure, fast, and amazingly simple encryption algorithm. Let's take a look.
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Simdjson 0.3: Faster JSON parser
Last year (2019), we released the simjson library. It is a C++ library available under a liberal license (Apache) that can parse JSON documents very fast. How fast? We reach and exceed 3 gigabytes per second in many instances. It can also parse millions of small JSON documents per second. The new version is much ……
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Redis Streams and the Unified Log
Building a log-based architecture that’s fast, efficient, and resilient on the new stream data structure in Redis.
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Writing a full-text search engine using Bloom filters (2013)
A few minutes ago I came across a Hacker News post that detailed a method of adding search to your static site. As you probably know, adding search to a static site is a bit tricky, because you can’t just send the query to a server and have the server process it and return the results. If you want full-text search…
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Debugging Emacs, or How I Learned to Stop Worrying and Love DTrace (2018)
For some time Elfeed was experiencing a strange, spurious failure. Every so often users were seeing an error (spoiler warning) when updating feeds: “error in process sentinel: Search failed.” If you use Elfeed, you might have even seen this yourself. From the surface it appeared that curl, tasked with the…
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The Engineer’s Guide to Deep Learning: Understanding the Transformer Model
In the previous two golden ages (1950s-1960s and the 1980s), our expectations outpaced the capabilities of the technology at the time, leading to disappointment. In contrast, the AI technology of the current golden age, which began in the mid-2010s, has consistently exceeded our expectations.
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Understanding Git
Git is quickly becoming one of the most popular version control systems in use. There are plenty of tutorials on Git already. How is this one different?
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Thoughts on the Future of Software Development
My optimistic take on the future of Software Development in the age of AI.
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The Theatre of Pull Requests and Code Review
I recently attended the Goatmire Elixir Conf and one of the standout talks for me was Saša Jurić’s “Tell Me a Story” . It was an incredible presentation that combined theatrical storytelling with practical technical advice. Saša performed parts of his talk in character, turning technical topics into a compelling…
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Why I Use Nim instead of Python for Data Processing
Lazy programmers often prefer to substitute computing effort for programming effort.
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Should you be scared of Unix signals? (2016)
Should you be scared of Unix signals?
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Things you can do with a debugger but not with print debugging
People do or do not use debuggers for a variety of reasons. For one thing, they are hard to setup in many codebases. Second, you can’t use them when your application is running on remote environments (such as kuberenetes). So, anecdotally, I have seen way more people using Print/ log.Debug compared to a debugger.
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Things Unix can do atomically (2010)
This is a catalog of things UNIX-like/POSIX-compliant operating systems can do atomically, making them useful as building blocks for thread-safe and multi-process-safe programs without mutexes or read/write locks. The list is by no means exhaustive and I expect it to be updated frequently for the foreseeable future.
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C23 is finished: Here is what is on the menu
It’s That Blog Post. The release one, where we round up all the last of the features approved since the last time I blogged. If you’re
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HTML over WebSockets: real-time SPAs with barely any JavaScript
Building a SPA (Single-page Application) is a complex puzzle: a JavaScript framework that draws the view, an API serving JSON, and 2 independent…
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My PhD advisor rewrote himself in bash (2010)
The point of these scripts is not to ban all use of constructs like the passive voice. (When it comes to writing, there are exceptions to every "rule.")
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Htmx and Web Components: A Perfect Match
Web Components are a set of browser APIs that allow us to create custom HTML elements. They are one of the major things that SPA (Single Page Application) frameworks have been giving us for a long time ... HTMX is highly interesting, useful and a promising technology. It simplifies many things and allows us to build…
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A Haskell Programmer Tries to Learn Racket
https://web.archive.org/web/20201121162132/https://artyom.me/learning-racket-1
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REST Servers in Go: Part 1 – standard library
This is the first post in a series about writing REST servers in Go. My plan with this series is to implement a simple REST server using several different approaches, which should make it easy to compare and contrast these approaches and their relative merits.
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Fable 5 vs. GPT-5.6 Sol on an NP-Hard Problem: Does /goal help?
I gave Claude Fable 5 and GPT-5.6 Sol the same unpublished NP-hard optimization problem, with and without their native /goal mode. Fable 5 is a beast; /goal is not a game changer.
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