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The state of binary compatibility on Linux and how to address it
Learn why Linux binary compatibility breaks when shipping software and what developers can do to fix real-world build and deployment issues.
New
The latest blog posts to take off on Hacker News. 1,748 posts.
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Why F#?
If someone had told me a few months ago I’d be playing with .NET again after a 15+ years hiatus I probably would have laughed at this.1 Early on in my career I played with .NET and Java, and even though .NET had done some things better than Java (as it had the opportunity to learn from some early Java mistakes), I…
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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…
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Stop syncing everything
Discover Graft, an open-source transactional storage engine built to solve the challenges of syncing data at the edge. Inspired by lessons from SQLSync, Graft enables lazy, partial, and strongly consistent replication—allowing edge applications to sync only the data they need, exactly when they need it.
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Gemini 2.5 Pro vs. Claude 3.7 Sonnet: Coding Comparison
Google just launched Gemini 2.5 Pro on March 26th, claiming to be the best in coding, reasoning and overall everything. But I mostly care about how the…
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Circuit Tracing: Revealing Computational Graphs in Language Models (Anthropic)
We describe an approach to tracing the “step-by-step” computation involved when a model responds to a single prompt.
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Why is this site built with C
Most of what I have written features in the category of notes-to-self. Mostly on how to do A or B.
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Rust Any part 3: we have upcasts
Some good news is coming in Rust 1.86
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Self-contained Python scripts with uv
You can add uv into the shebang line for a Python script to make it a self-contained executable.
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Experimental Tauri Verso Integration
The cross-platform app building toolkit
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Why I'm No Longer Talking to Architects About Microservices
I'm done talking about microservices: the term is confusing, discussions are abstract, and without organisational change, microservices are pointless
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How IMAP works under the hood
Learning how the IMAP protocol actually works
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Disk I/O bottlenecks in GitHub Actions
When your CI pipelines are slow, you can only optimize so much. Bottlenecks in CPU, Network, Memory, and Disk I/O can all contribute to slow CI pipelines. Let's take a look at how disk I/O can be a bottleneck in GitHub Actions.
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How to write blog posts that developers read
Software bloggers can make the same mistakes for years that prevent readers from discovering their writing. I know because I'm one of them. Over time, I've learned techniques that help some blog posts succeed and the pitfalls that cause others to languish in obscurity.
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Xee: A Modern XPath and XSLT Engine in Rust
I announce Xee, the implementation of XPath and XSLT in Rust that I've been working on for the last two years.
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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…
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Things I would have told myself before building an autorouter
Important lessons from trying to build the world's fastest autorouter for about a year
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Emacs Solo: A Surprise System Crafters Live Demo
Rahul's Blog
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Golang on the Playstation 2
The PS2 is more than capable of doing some wild things, including running Linux. I always wondered if we could just write baremetal Go code on it, so I decided to give it a try.
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Tracing the thoughts of a large language model
Anthropic's latest interpretability research: a new microscope to understand Claude's internal mechanisms
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Modern C
This new edition has been the occasion to overhaul the presentation in many places, but its main purpose is the update to the new C standard, C23 . The goal was to publish this new edition of Modern C at the same time as the new C standard goes through the procedure of ISO publication. The closest approximation of the…
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Building a Linux Container Runtime from Scratch
We're open sourcing our programmatic low-level container runtime, Styrolite
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Building a Firecracker-Powered Course Platform to Learn Docker and Kubernetes
The iximiuz Labs origin story: five years of technical blogging followed by six months of active development resulted in an online learning-by-doing platform for DevOps, SRE, and Platform Engineers.
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Malware found on NPM infecting local package with reverse shell
For the first time, RL researchers discover malicious locally-installed npm packages infecting other legitimate packages.