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Supercharging GitHub Actions with Job Summaries
You can now output and group custom Markdown content on the Actions run summary page.
New
The latest blog posts to take off on Hacker News. 21,826 posts.
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Shopify invests in research for Ruby at scale
Shopify is investing on Ruby on Rails at scale by funding high-profile academics to focus their work towards Ruby and the needs of the Ruby community.
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Correctness and composability bugs in the Julia ecosystem
For many years I used the Julia programming language for transforming, cleaning, analyzing, and visualizing data, doing statistics, and performing simulations.
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JSON and Virtual Columns in SQLite
Faster JSON handling in a relational database.
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How I learned to stop worrying and love the YAML
Something I miss after emigrating from the UK to the USA is the using the name of a yeast extract based spread as an adjective. To describe something as “marmite”
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Golang Diaries: Generics
My coding time this year has been invested in Quamina , an event-filtering library implemented in Go. Just in the last couple of weeks I spotted an opportunity to bring Go’s shiny new generics to bear, and not just anywhere, but for a central data structure. I got good results, but the process was sort of painful; I…
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A lock-free, concurrent, generic queue in 32 bits
While considering concurrent queue design I came up with a generic, lock-free queue that fits in a 32-bit integer. The queue is “generic” in that a single implementation supports elements of any arbitrary type, despite an implementation in C. It’s lock-free in that there is guaranteed system-wide progress. It can…
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Java record pattern matching in JDK 19
Enhance the Java programming language with record patterns to deconstruct record values. Record patterns and type patterns can be nested to enable a powerful, declarative, and composable form of data navigation and processing. This is a preview language feature .
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The overengineered solution to my pigeon problem
TL;DR: I built a wifi-equipped water gun to shoot the pigeons on my balcony, controlled over the internet by a python script running openCV reading the camera image of my old iPhone. Introduction The pigeons in my backyard find particular pleasures in voiding their excrements onto my balcony. Dissatisfied with this…
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Making fifty TIC-80 carts in a weekend
Ever since I read about the Make 50 of Something technique in Vi Hart's blog post about Fifty Fizzbuzzes, I wanted to try it for myself! Creating 50 of, well, anything, in quick succession seemed like a fun challenge!
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The other kind of staff software engineer
In this article, the author explores the differences between line and staff software engineers. They discuss the advantages and disadvantages of ea...
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Notes on Virtual Threads and Clojure
Virtual Threads are an excellent addition to Java platform and here's how Clojure is going to benefit from it.
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SQLite in Go, with and Without Cgo
Most people use the mattn/go-sqlite3 package to interact with SQLite in Go. This package uses cgo and bundles the SQLite C amalgamation files with the Go source.
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A guide to getting started with embedded systems
In this article, I share a beginner friendly guide to learning the basics of embedded systems and how they work. I talk about micontrollers, electronics, and software. I also share my motivation for working on embedded systems.
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DeepMind: A Generalist Agent
Explore a selection of our recent research on some of the most complex and interesting challenges in AI.
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Friendlier SQL with DuckDB
DuckDB offers several extensions to the SQL syntax. For a full list of these features, see the Friendly SQL documentation page.
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Modernizing AWK, a 45-year old language, by adding CSV support
Why and how I added proper CSV support to GoAWK, my POSIX-compatible AWK interpreter.
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Python Language Summit: Python Without the GIL
If you peruse the archives of language-summit blogs, you’ll find that one theme comes up again and again : the dream of Python without the GIL. Continuing this venerable tradition, Sam Gross kicked off the 2022 Language Summit by giving the attendees an update on nogil , a project that took the Python community by…
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Our Experience Porting the YJIT Ruby Compiler to Rust
In this post, I want to give a nuanced perspective on our experience porting YJIT from C to Rust. I'll talk about the positives, but also discuss the things that we found challenging or suboptimal in our experience.
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Meta Is Transferring Jest to the OpenJS Foundation
Meta Open Source is officially transferring Jest, its open source JavaScript testing framework, to the OpenJS Foundation. With over 17 million weekly downloads and over 38,000 GitHub stars, Jest i…
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Mysterious Memset
Where did that memset come from?
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Separate Your Billing from Entitlements
Building your own entitlement service is key for supporting a modern, flexible SaaS product. Whenever I read about billing systems, there’s a lot of talk about the billing aspects but not so much around entitlements. In the spirit of sharing, and since I haven’t found any good articles about it, I decided to tell you…
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Hacks for Engineering Estimates
Engineers often have to ask each other for “estimates”– rough projections for how long projects will take. While some teams do rigorous estimation rituals to varying degrees of success, many situation
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Writing HTML sucks and No-code doesn't help
We can do better than writing HTML manually, but there are no developer-focused solutions.
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Using Java's Project Loom to build more reliable distributed systems
Building distributed databases is very difficult. There are lots of clever ideas you can put into a distributed database, but making the ideas work well together in a real system can be very challenging because different decompositions of the same problem can massively affect how difficult it is to solve, and bugs are…
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MVC frameworks aren't dinosaurs but sharks
I first heard about the dinosaur 🦕 VS shark 🦈 analogy when I read this excellent article about relational databases: