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The most popular blog posts about software engineering on Hacker News. 597 posts.
Using DISTINCT to fix duplicate rows from a SQL join is a common antipattern. It generates all the duplicates first, then sorts them away - hurting performance. Learn how to rewrite these queries using EXISTS for cleaner, faster SQL Server results.
The pganalyze Indexing Engine simulates hundreds of possible combinations to recommend missing Postgres indexes using its 'What if?' analysis.
The library for web and native user interfaces
Uber has widely adopted Golang (Go for short) as a primary programming language for implementing backend services and libraries due to its high performance. The Go monorepo is the largest codebase at Uber, comprising 90 million lines of code (and growing). This makes tooling for writing reliable Go code a critical…
Rémy Rakic is helping us enable the adoption of memory safe software through work to improve Rust compile times. We asked him to provide his perspective on the work in this blog post. Thank you for your partnership and contributions, Rémy! Josh Aas, Head of ISRG's Prossimo project Introduction Over the past few months…
Don’t confuse embeddings with memory. To build effective RAG, start with a search engine, not just a vector database.
Create beautiful diagrams just by typing math notation in plain text.
A helpful list of resources for people who are just getting started out with Rails.
This post is a copy of tweets by Zooko Wilcox-O'Hearn . SHA256 was designed by the NSA. BLAKE (the original) and BLAKE3 were designed by Jean-Philippe Aumasson
In this third article of our series on the making of a 64kB intro, we present how we use and combine a few simple techniques to create a variety of procedural 3D meshes for very few bytes.
A community and blog for embedded software makers
For the first SpacetimeDB blog post, I’d like to clear up some confusion that I’ve seen arise in discussions about SpacetimeDB and address some general misperceptions about databases. My sense is tha…
Examining the misleading claims in a published paper about Elixir security
In constructors in the Java programming language, allow statements that do not reference the instance being created to appear before an explicit constructor invocation. This is a preview language feature .
By Jennifer Shin, Tejas Shikhare, Will Emmanuel
The OpenPipe platform has migrated to Weights & Biases and CoreWeave. Browse migration details and the OpenPipe technical archive.
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
The rules laid out.
For the past two years we've been tinkering with a proof-of-concept decryptor for the Phobos family ransomware. It works, but is impractical to use for reasons we'll explain here. Consequently, we've been unable to use it to help a real-world victim so far. We've decided to publish our findings and tools, in hope that…
The second release candidate (RC2) for Nim version 2.0 is ready for testing.
Claude 2.1 excels at retrieving information across its 200K context window, with a simple prompt adjustment improving accuracy from 27% to 98%. Claude 2.1’s performance when retrieving an individual sentence across its full 200K token context window.
Containers offer portable, lightweight environments for developing and deploying applications. And while Docker has been the most popular containerization tool, Podman has arisen as a compelling alternative. What sets the two tools apart, and when should you use one over the other? Find out in this tutorial comparing…
Today, we are excited to announce a new API in Cloudflare Workers for creating outbound TCP sockets, making it possible to connect directly to databases and any TCP-based service from Workers
This year, the YJIT team and I have gotten a paper accepted at MPLR 2023 (Managed Programming Languages and Runtimes), which is now freely available through ACM open access. The paper, titled “Evaluating YJIT’s Performance in a Production Context: A Pragmatic Approach”, goes into details of the strategy taken to…
Keras 3 runs the same model code on any supported backend, including JAX, PyTorch, and TensorFlow. Learn what's new, how backends work, and how to migrate.
