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MCP: An in-depth introduction
Understand the building blocks of the Model Context Protocol - tools, resources, prompts, transports, sampling, and roots - and how they fit together.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 488 posts.
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AI helps ship faster but it produces 1.7× more bugs
We analyzed 470 open-source GitHub pull requests, using CodeRabbit’s structured issue taxonomy and found that AI generated code creates 1.7x more issues.
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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…
245
Bamba: An open-source LLM that crosses a transformer with an SSM
The open-source LLM combines the sequence-modeling skill of a transformer with the inferencing speed of an SSM. IBM Granite will soon adopt key Bamba features.
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Zero-Downtime Kubernetes Deployments on AWS with EKS
Zero-downtime deployments on Kubernetes on AWS EKS utilizing Pod Readiness Gates, graceful application shutdown and termination delays with code examples in Go
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I scanned all of GitHub's "oops commits" for leaked secrets
GitHub Archive logs every public commit, even the ones developers try to delete. Force pushes often cover up mistakes like leaked credentials by rewriting Git history. GitHub keeps these dangling commits, from what we can tell, forever. In the archive, they show up as “zero-commit” PushEvents.
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Writing your own CUPS printer driver in 100 lines of Python (2018)
Behind the scenes blog of pretix, your friendly ticketing system from next door.
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Java Hello World, LLVM Edition
After exploring Java bytecode in previous years (2022, 2023, 2024), this year we’ll take an unexpected detour for a Java advent: instead of generating Java bytecode, we’ll use Java to build and execute LLVM IR, the intermediate language behind compilers like clang. Using Java’s Foreign Function & Memory (FFM) API…
250
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.
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Ruby 4.0.0 Preview2
We are pleased to announce the release of Ruby 4.0.0-preview2. Ruby 4.0 updates its Unicode version to 17,0.0, and so on.
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Using GRPO to Beat o1, o3-mini and R1 at “Temporal Clue”
The OpenPipe platform has migrated to Weights & Biases and CoreWeave. Browse migration details and the OpenPipe technical archive.
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SedonaDB: A new geospatial DataFrame library written in Rust
Apache Sedona is a cluster computing system for processing large-scale spatial data. Sedona extends existing cluster computing systems, such as Apache Spark, Apache Flink, and Snowflake, with a set of out-of-the-box distributed Spatial Datasets and Spatial SQL that efficiently load, process, and analyze large-scale…
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Context is the bottleneck for coding agents now
Ship production-quality code at superhuman speed.
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Remote MCP Support in Claude Code
Connect your favorite development tools and data sources securely to Claude Code through remote MCP servers. Today, we’re announcing support for remote MCP servers in Claude Code.
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The key to getting MVC correct is understanding what models are
stlab hosts modern, modular C++ algorithms and data structures.
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ClojureScript 1.12.42
We’re happy to announce a new release of ClojureScript. If you’re an existing user of ClojureScript please read over the following release notes carefully.
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Julia 1.12 highlights
Highlights of the Julia 1.12 release.
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Introduction to Ada: a project-based exploration with rosettas
Discover Ada through a fun, project-based tutorial! Learn the language’s clarity, safety, and modern features while building an SVG rosetta generator. A…
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Phi-4 Bug Fixes
Fine-tune Microsoft's new Phi-4 model with Unsloth! We've also found & fixed 4 bugs in the model.
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Oxy is Cloudflare's Rust-based next generation proxy framework (2023)
In this blog post, we are proud to introduce Oxy - our modern proxy framework, developed using the Rust programming language
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MCP Apps: Extending servers with interactive user interfaces
Introducing the MCP Apps Extension proposal (SEP-1865) to standardize interactive user interfaces in MCP, developed with the MCP-UI creators and maintainers from OpenAI and Anthropic.
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Performance Improvements in .NET 10
Take a tour through hundreds of performance improvements in .NET 10.
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How we tracked down a Go 1.24 memory regression
We rolled out Go 1.24 and saw a memory regression. Here’s how we dug into system metrics, uncovered a bug in the runtime allocator, and worked with the Go team to help fix it.
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Did Semgrep Just Get a Lot More Interesting?
Documentation and guides from the team at Fly.io.
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Windsurf SWE-1: Our First Frontier Models
Introducing our first Frontier Models!
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Erlang 28 on GRiSP Nano using only 16 MB
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
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Deepnote, a Jupyter alternative, is going open source
Explore data with Python & SQL, work together with your team, and share insights that lead to action — all in one place with Deepnote.
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Creating your own federated microblog
In this tutorial, we will build a small microblog that implements the ActivityPub protocol, similar to Mastodon or Misskey, using Fedify, an ActivityPub server framework.
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Speeding up PyTorch inference on Apple devices with AI-generated Metal kernels
Our lab investigated whether frontier models can write optimized GPU kernels for Apple devices to speed up inference. We found that they can: our AI-generated Metal kernels were 1.24x faster across KernelBench v0.1 problems, and 1.87x faster across KernelBench v0 problems.