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Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,844 posts.
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Finetuning LLMs on a Single GPU Using Gradient Accumulation
From the PyTorch Lightning creators. Own your AI, don't rent it. Lightning is the AI cloud to build, train, and deploy your own models on 36,000+ NVIDIA GPUs.
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QEMU Version 10.0.0 Released
We’d like to announce the availability of the QEMU 10.0.0 release. This release contains 2800+ commits from 211 authors.
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Simple Guide to Finding a JavaScript Memory Leak in Node.js (2015)
Please consider reviewing this guide on Amazon, if you’ll find it helpful. Few months ago, I had to debug a memory leak in Node.js. I found a good number of articles dedicated to the subject…
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Compiler basics (5): LLVM system calls
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls
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The structure of a GCC back end
This is part one of a series “ Writing a GCC back end ”. The GCC back end is configured in gcc/config.host and the implementation is p...
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PyPy Tooling Upgrade: JitViewer and VMProf
We are happy to announce a major JitViewer (JV) update. JV allows you to inspect RPython's internal compiler representation (the language i...
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Why we still can't stop plagiarism in undergraduate computer science (2018)
Lessons on incentives and scaling from two years as a teaching assistant
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How expensive is integer-overflow trapping in C++?
Integers in programming languages have a valid range but arithmetic operations can result in values that exceed such ranges. For example, adding two large integers can result in an integer that cannot be represented in the integer type. We often refer to such error conditions as overflows. In a programming languages…
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Python 2 Is Dead
It's kicked the bucket, it's shuffled off its mortal coil, run down the curtain and joined the bleedin' choir invisible!!
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Help choose the syntax for CSS Nesting
The CSS Working Group is continuing a debate over the best way to define nesting in CSS.
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Gaming CS Interviews
Dream of developing software at a prestigious tech company like Google or Facebook, but don't have a CS background? We got your back!
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Uncle Bob on DHH: Monogamous TDD
“Test-first fundamentalism is like abstinence-only sex ed: An unrealistic, ineffective morality campaign for self-loathing and shaming.”
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Popular Myths about C++, Part 1
[For your winter reading pleasure, we're pleased to present this three-part series of new material by Bjarne Stroustrup. This is part one; parts two and three will be posted on the following two Mondays, which will complete the series just in time for Christmas. Enjoy. -- Ed.]
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The Changing "Guarantees" Given by Python's Global Interpreter Lock
A look into the implementation details of CPython's Global Interpreter Lock (GIL) and how they changed between Python 3.9 and the current development branch that will become Python 3.13.
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Leetcode Considered Harmful
Using an industry wide perspective I will show you the unseen downsides of using leetcode for interviewing software engineers
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Why I don’t use CSS preprocessors
I don’t use CSS preprocessors they way many people do. Here’s an attempt to explain why.
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Move semantics in Rust, C++, and Hylo
I just finished reading the paper Borrow checking Hylo . It outlines the basic design of Hylo . Hylo is an early-stage programming language, but unlike other contenders of C++, it provides memory safety like rust. Specifically it merges rust’s borrow checking ideas into the framework of moveable value semantics (MVS)…
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What is wrong with “A successful Git branching model”?
Update 2018-07. The branching model described here is called trunk based development. I and other people who I collaborated with did not know about the articles that used this name. Nowadays there are excellent web resources about the subject, like trunkbaseddevelopment.com. They have a lot of...
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Object Oriented Programming is an expensive disaster which must end
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Types are a basic tool of software design (2018)
Static or dynamic, a program's design is written in its types.
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Notes on a Smaller Rust
Many people who use Rust for a bit - especially those who like the language but do not fall in love with it - feel a sense that there must be a smaller, simpler variation on the same theme which would maybe be a little less powerful, but would also be much easier to use. I agree with them, but I think they are almost…
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Building on Rock, Not Sand
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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The Road to the WASM Component Model 1.0
WASI P3 is almost here, bringing native async support to the WebAssembly System Interface (WASI) and Component Model. In this post, we’re looking to the next big milestone: a stable, formally specified Component Model 1.0.At February’s B...
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AI changes the economics of software rewrites
AI changes rewrite economics because codebases with clear, common patterns get more leverage than proprietary or inconsistent systems.
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The origin of zero-based array indexing
“Should array indices start at 0 or 1? My compromise of 0.5 was rejected without, I thought, proper consideration.” — Stan Kelly-Bootle