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How X-Plane Works
X-Plane works by reading in the geometric shape of any aircraft and then figuring out how that aircraft will fly. […]
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 488 posts.
272
Structured outputs on the Claude Developer Platform
Structured outputs on the Claude Developer Platform guarantee API responses match your JSON schemas and tool definitions. Now in public beta for Sonnet 4.5 and Opus 4.1, this feature eliminates parsing errors and failed tool calls for production applications.
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LoRA Without Regret
How LoRA matches full training performance more broadly than expected.
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Optimistic Locking in B-Trees
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
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Best Practices for Building Agentic AI Systems
Patterns that keep AI agent systems from falling apart in production: two-tier architecture, stateless design, orchestration, and lessons from UserJot.
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Zed's Pricing Has Changed: LLM Usage Is Now Token-Based
From the Zed Blog: We're moving Zed AI from prompt-based limits to token-based pricing.
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Gleam v1.7
News post: Gleam v1.7.0 released
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GitHub Linux ARM64 hosted runners now available for free in public repositories
Now in public preview, Linux arm64 hosted runners are available for free in public repositories. Following the release of arm64 larger hosted runners in June, this offering now extends to…
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Aiter: AI Tensor Engine for ROCm
We introduce AMD's AI Tensor Engine for ROCm (AITER), our centralized high performance AI operators repository, designed to significantly accelerate AI workloads on AMD GPUs
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Citations on the Anthropic API
Claude can now cite specific passages from your documents, delivering verifiable responses with built-in source tracking. Update: Now available in Amazon Bedrock. (June 30, 2025) Today, we're launching Citations, a new API feature that lets Claude ground its answers in source documents.
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π0.5: A VLA with open-world generalization
Our latest generalist policy, π0.5, extends π0 and enables open-world generalization. Our new model can control a mobile manipulator to clean up an entirely new kitchen or bedroom.
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Analyzing database trends through 1.8M Hacker News headlines
We analyzed 1.8 million Hacker News headlines spanning February 2007 to June 2025 to examine database engine popularity trends. Using camelAI connected to a ClickHouse database, we uncovered which databases the HN...
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Bring Your Own Agent to Zed – Featuring Gemini CLI
From the Zed Blog: Zed now lets you use the agent of your choice through the new Agent Client Protocol, starting with Google's Gemini CLI.
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A standards-first web framework
Nue is HTML, CSS, and JavaScript taken to their absolute peak.
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How we scaled Slack to support 1000s of developers
Here’s how we built a two-way Slack bridge with full impersonation to deliver white glove support to thousands of Railway developers from our help center.
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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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Learnings from building AI agents
How cubic reduced noisy AI code review comments with reasoning logs, fewer tools, specialized agents, and evaluation before changes reached production.
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A New ASN.1 API for Python
We’re working on integrating an ASN.1 API into PyCA Cryptography, built on top of the same Rust ASN.1 implementation already used by Cryptography’s X.509 APIs.
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LLMs understand nullability
The last five years have shown us that large language models, like ChatGPT, Claude, and DeepSeek, can write code in many domains, to huge excitement: many claim to be using these models to write entire web servers and apps from scratch. These tools have opened up programming to a whole new class of people who consider…
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The quality of AI-assisted software depends on unit of work management
The craft of AI-assisted software creation is substantially about correctly managing units of work.
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Compiler Bug Causes Compiler Bug: How a 12-Year-Old G++ Bug Took Down Solidity
A subtle G++ bug from 2012, C++20’s new comparison rules, and legacy Boost code can collide to crash Solidity’s compiler on valid code. We unpack the surprising chain reaction and how to fix it.
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Erlang ARM32 JIT is born
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
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A steam locomotive from 1993 broke my yarn test
Yarn tests fail consistently at the 27-second mark. The usual suspects are swiftly eliminated to no avail. A deep dive is taken to comb through traces, only to be derailed into an unexpected crash investigation.
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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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The reason GCC is not a library (2000)
This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project .
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MCP explained without hype or fluff
Model Context Protocol, like most protocols, solves the M ⨯ N integration problem by turning it into an M + N integration problem.
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Anatomy of a SQL Engine
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.