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I Made Stable Diffusion XL Smarter by Finetuning It on Bad AI-Generated Images
And then telling it to not generate those images!
New
The latest blog posts to take off on Hacker News. 1,733 posts.
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GNU Parallel, where have you been all my life?
How to use GNU Parallel to gather stats on long-running flaky tests by running them many times and capturing their results.
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Ruby's hash is a Swiss-army knife
This article shows the obscure but useful capabilities of Hash, a simple but equally powerful data structure in Ruby.
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It’s lambdas all the way down
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
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Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512
Though most strings online today follow the Unicode standard (e.g., using UTF-8), the Latin 1 standard is still in widespread inside some systems (such as browsers) as JavaScript strings are often stored as either Latin 1, UTF-8 or UTF-16 internally. Latin 1 captures the first 256 characters from the Unicode standard…
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MacPaint and QuickDraw 1984 source code (2010)
The Apple Macintosh combined brilliant design in hardware and in software. The drawing program MacPaint, which was released with the computer in January of 1984, was an example of that brilliance both in what it did, and in how it was implemented.
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A Critique of the Cap'n Proto Schema Language (2019)
Historical reference to Ian Denhardt’s A Critique of the Cap'n Proto Schema Language (2019-06-25), with archive and current documentation links.
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GCC always assumes aligned pointer accesses (2020)
Explore the risks associated with unaligned pointer accesses in GCC. Understand how these assumptions can lead to unexpected program behavior and potential security vulnerabilities. Learn best practices to mitigate these risks and write secure code.
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C and C++ prioritize performance over correctness
The original ANSI C standard, C89, introduced the concept of “undefined behavior,” which was used both to describe the effect of outright bugs like accessing memory in a freed object and also to capture the fact that existing implementations differed about handling certain aspects of the language, including use of…
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Learning async Rust with entirely too many web servers
Async Rust is a whole new world of programming. Let's try to understand it by working our way through a series of web servers, learning the details of concurrency and I/O along the way.
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Structuring Your Infrastructure as Code
If you’re thinking of migrating to another infrastructure as code tool (and why would you, everything is great in the IaC world now, right?!) you might find yourself asking yourself
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Kernighan and Pike were right: Do one thing, and do it well
Extensible programs like Obsidian have achieved a Holy Grail of software architecture, after decades of failed attempts.
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Pg_later: Asynchronous Queries for Postgres
Engineering deep-dives, product updates, and company news from Tembo — the platform for running coding agents across your stack.
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Railway Oriented Programming
Slides and videos explaining a functional approach to error handling
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TypeScript is surprisingly ok for compilers
There are two main historical trends when choosing an implementation language for something compiler-shaped.
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YOLO-Driven Development Manifesto
YOLO-driven development - not for the faint of heart
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Fuzz testing: the best thing to happen to our application tests
Fuzz tests have helped us catch many critical bugs. Should your team consider fuzz testing? They're the best thing to happen to our application tests so far.
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Why does email development have to suck? – Explaining all the <tr>'s and <td>'s
Email clients have quirks that force you to use <table> elements, inline styles, and follow other bad practices that make development complicated.
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Dart 3.1 and a retrospective on functional style programming in Dart
Pattern matching and exhaustive switches come together to enable functional style data models that blend seamlessly with Dart’s…
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Why Tailwind CSS Won
Tailwind CSS is the new ubiquitous frontend framework. It replaces a generation of sites built with Twitter Bootstrap. However, Tailwind CSS is not a UI framework itself but has become synonymous to some degree with t...
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How Is LLaMa.cpp Possible?
If you want to read more of my writing, I have a Substack . Articles will be posted simultaneously to both places.
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Things you forgot (or never knew) because of React
If you don't often look beyond established comfortable defaults, you might be surprised to learn just how far the world of frontend has moved away from React, and how big that gap continues to grow.
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Exploring the design space of binary search trees
Open-source research project that explores the design space of binary search trees to implement persistent and concurrent linear list data structures.
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Java 21: First Release Candidate
This release is the Reference Implementation of version 21 of the Java SE Platform, as specified by JSR 396 in the Java Community Process.
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Backward Compatibility, Go 1.21, and Go 2
Go 1.21 expands Go's commitment to backward compatibility, so that every new Go toolchain is the best possible implementation of older toolchain semantics as well.
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Elixir – Why the dot when calling anonymous functions?
A detailed explanation of why Elixir uses a dot when invoking anonymous functions