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Why we still build with Ruby
Why we still choose Ruby on Rails in 2025: Learn how Lago scales millions of API events with Rails, Go, and Rust, balancing developer speed, concurrency, and performance.
New
The latest blog posts to take off on Hacker News. 1,929 posts.
122
Node.js is able to execute TypeScript files without additional configuration
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.
123
PHP 8.5 adds pipe operator
The PHP Foundation — Supporting, Advancing, and Developing the PHP Language
124
The FIPS 140-3 Go Cryptographic Module
Go now has a built-in, native FIPS 140-3 compliant mode.
125
Jank is C++
jank is Clojure. jank is C++. The combination is amazing.
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Tree Borrows
external page Neven Villani , external page Johannes Hostert , external page Derek Dreyer , external page Ralf Jung
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Self-hosted x86 back end is now default in debug mode
This page contains entries for the year 2025 . Other years are available in the Devlog archive page .
129
10 Years of Betting on Rust
I wrote my first line of Rust in June 2015, a month after Rust 1.0 landed. Coming from C, Python, and JavaScript, I never looked back. Two Rust-based startups and 500k lines of Rust later, here are some reflections on the milestone.
130
Ada and SPARK enter the automotive ISO-26262 market with Nvidia
AdaCore and NVIDIA have decided to publish this reference process freely as an open-source and evolving document, allowing the industry at large to adopt…
131
Swift at Apple: Migrating the Password Monitoring Service from Java
Swift is heavily used in production for building cloud services at Apple, with incredible results. Last year, the Password Monitoring service was rewritten in Swift, handling multiple billions of requests per day from devices all over the world. In comparison with the previous Java service, the updated backend…
132
(On | No) Syntactic Support for Error Handling
Go team plans around error handling support
133
Why Algebraic Effects?
Algebraic effects 1 (a.k.a. effect handlers) are a very useful up-and-coming feature that I personally think will see a huge surge in popularity in the programming languages of tomorrow. They’re one of the core features of Ante, as well as being the focus of many research languages including Koka , Effekt , Eff , and…
134
Roto: A Compiled Scripting Language for Rust
By Terts Diepraam We are working on an embedded scripting language for Rust. This language, called Roto, aims to be a simple yet fast and reliable scripting language for Rust applications. The need for Roto comes from Rotonda, our BGP engine written in Rust. Mature BGP applications usually feature some
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Pyrefly: A new type checker and IDE experience for Python
Today we are announcing an alpha version of Pyrefly, an open source Python type checker and IDE extension crafted in Rust. Pyrefly is a static type checker that analyzes Python code to ensure type …
136
The first year of free-threaded Python
A recap of the first year of work on enabling support for the free-threaded build of CPython in community packages.
137
Project Verona: Fearless Concurrency for Python
Research programming language for concurrent ownership
138
Lessons from Mixing Rust and Java: Fast, Safe, and Practical
This article provides a hands-on guide to integrating Rust and Java through the Java Native Interface (JNI).
139
Flattening Rust’s learning curve
I see people make the same mistakes over and over again when learning Rust. Here are my thoughts (ordered by importance) on how you can ease the learning process. My goal is to help you save time and frustration. Let Your Guard Down Stop resisting. T…
140
Don't unwrap options: There are better ways (2024)
I noticed that handling the None variant of Option without falling back on unwrap() is a common papercut in Rust. More specifically, the problem arises when you want to return early from a function that returns a Result if you encounter None. It has …
141
JEP 515: Ahead-of-Time Method Profiling
Improve warmup time by making method-execution profiles from a previous run of an application instantly available, when the HotSpot Java Virtual Machine starts. This will enable the JIT compiler to generate native code immediately upon application startup, rather than having to wait for profiles to be collected.
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Matt Godbolt sold me on Rust by showing me C++
Looking at C++ from another angle can create new possibilities using Rust.
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Migrating away from Rust
Why we moved Architect of Ruin from Rust and Bevy to C# and Unity in January 2025, and how the three-day experiment that decided it went.
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What do I think about Lua after shipping a project with 60k lines of code?
Lead programmer talks Lua’s flexibility, challenges, and integration with Defold game engine after 60k lines of code in Craftomation 101.
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Crystal 1.16.0
We are announcing a new Crystal release 1.16.0 with several new features and bug fixes.
147
Usability Improvements in GCC 15
GCC 15 brings better error messages and diagnostics for your code, including prettier execution paths and easier-to-read compiler errors for C++ templates.
148
Faster interpreters in Go: Catching up with C++
A novel technique for implementing dynamic language interpreters in Go, applied to the Vitess SQL evaluation engine
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Pitfalls of Safe Rust
When people say Rust is a “safe language”, they often mean memory safety. And while memory safety is a great start, it’s far from all it takes to build robust applications. Memory safety is necessary but not sufficient for overall reliability. In thi…
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JEP draft: Prepare to make final mean final
Issue warnings about uses of deep reflection to mutate final fields. These warnings aim to prepare developers for a future release that ensures integrity by default by restricting final field mutation, which will make Java programs safer and potentially faster. Application developers can avoid both current warnings…