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OTP 23
The official home of the Erlang Programming Language
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,634 posts.
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Strong static typing, a hill I'm willing to die on
This is a post about strong static typing, why I feel strongly about the topic, and some of the ways we utilize the Rust type system at Svix.
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On Repl-Driven Programming
Once upon a time, someone with the handle “entha_saava” posted this question on Hacker News :
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Pyrefly vs. Ty: Comparing Python's two new Rust-based type checkers
A deep dive into Meta's pyrefly and Astral's ty - two new Rust-based Python type checkers that both promise faster performance and better type inference.
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Static Analysis in GCC 10
Discover the new -fanalyzer option coming to GCC 10 that provides a static analysis pass to identify problems at compile-time, rather than at runtime.
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Go 1.9 is released
Go 1.9 adds type aliases, bit intrinsics, optimizations, and more.
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Raku: A language for gremlins
By Gremlins, For Gremlins™
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Writing a Rust compiler in C
To bootstrap Rust, no cost is too great.
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Advanced Python Features
A collection of advanced Python features that I've found interesting, underrated, or unique - as someone who's seen a lot of Python code.
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Writing a Game Boy Emulator in OCaml
For the past few months, I have been working on a project called CAMLBOY, a Game Boy emulator that runs in the browser.
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Ruby 3.2.0 is from another dimension
I don’t know what you were doing on 25th of December 2022. I was eating pierogis, while Ruby team did some epic sh***!
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A Brief, Incomplete, and Mostly Wrong History of Programming Languages
1801 - Joseph Marie Jacquard uses punch cards to instruct a loom to weave "hello, world" into a tapestry. Redditers of the time are not imp...
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Clojure 1.12.0 is now available
Clojure 1.12.0 is now available! Find download and usage information on the Downloads page.
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The seven programming ur-languages (2021)
I regularly hear people asking which programming language to learn, and then reeling off a list of very similar languages (“Should I learn Java, C#, C++, Python, or Ruby?”). In response I usually tell them that it doesn’t really matter, as long as they get started. There are fundamentals behind them.
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Async and Await in Rust: a full proposal
I’m really excited to announce the culmination of much of our work over the last four months: a pair of RFCs for supporting async & await notation in Rust. This will be very impactful for Rust in the network services space. The change is proposed as two RFCs: RFC #2394: which adds async & await notation to the…
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My First Fifteen Compilers
We sometimes think of the number of passes in a compiler as a measure of the compiler’s complexity. But what if we could make compiler development more approachable by fully embracing the ide…
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Java for Everything
I used to ask interviewees, “What’s your favorite programming language?” The answer was nearly always, “I just choose the right language for the job.” Duh. Does anyone ever deliberately pick the wrong language? This was clearly a way to avoid actually naming a language for fear of picking one I didn’t like.
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Making Python faster with Rust
Update: I gave a talk on this topic at P99 CONF 2023 and at PyCon IL 2024 (Hebrew). A while ago at $work, we had a performance issue with one of our core Python …
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How (not) to write Factorial in Java
I will admit this post was inspired by How would you write factorial(n) in java? So excuse me while I rant in code: I have a point to make at the bottom of this article. Now most people who write f…
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Backward Compatibility, Go 1.21, and Go 2
Go 1.21 expands Go's commitment to backward compatibility, so that every new Go toolchain is the best possible implementation of older toolchain semantics as well.
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JavaScript libraries should be written in TypeScript
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