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A jump into the middle of an instruction from nowhere (2023)
Another rogue patcher.
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Lambda on hard mode: serverless HTTP in Rust
In this post, we'll talk about how Modal handles real-time HTTP requests and WebSockets in serverless functions.
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JEP draft: Exception handling in switch
Enhance the switch construct so that exceptions thrown by the selector (the e in switch (e) ... ) can be handled in the switch block. Alongside a previous enhancement to handle null selectors, this makes switch even more useful for pattern matching. This is a preview language feature .
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LLM that can call multiple tool APIs with one request
Learn about Cohere models' ability to perform multi-step tasks, enhancing productivity and efficiency.
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Erlang/OTP 27.0 Release Candidate 1
The official home of the Erlang Programming Language
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Nixiesearch: Running Lucene over S3, and why we're building a new search engine
A new search engine in 2024? Yes, but stateless — index on S3, serverless — no cluster state, with all Lucene features — filters, autocomplete, facets. And also with local embedding & RAG inference.
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Python's many command-line utilities
Every command-line tool included with Python. These can be run with python -m module_name.
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Ruby on Rails load testing habits
Here are the techniques I've acquired over more than 10 years of regular load testing.
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Venvstacks: Virtual Environment Stacks for Python
An open source utility for packaging Python applications and all their dependencies into a portable, deterministic format based on Python's `sitecustomize.py`.
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(Re)Using rustc components in gccrs
In order to speed up development, as well as make sure gccrs exposes the exact same behavior as rustc in critical compiler passes, we decided last year to start reusing components and crates from the official Rust compiler where possible. These components range from external crates used for certain nightly options to…
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Limitations of frame pointer unwinding
Explore 3 limitations of using frame pointers for stack unwinding and profiling in Linux that are often overlooked, plus possible future alternatives.
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Mining JIT traces for missing optimizations with Z3
In my last post I've described how to use Z3 to find simple local peephole optimization patterns for the integer operations in PyPy's JIT. An example is int_and(x, 0) -> 0. In this post I want to scal
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Hyprland 0.44
This update mostly focuses on further bugfixes over actually implementing new stuff, but we have quite a bunch of both!
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Early Cascade Injection: From Windows process creation to stealthy injection
Get an introdcution to Early Cascade, a novel process injection technique that is effective against top tier EDRs while avoiding detection.
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LLM-generated code must not be committed without prior written approval by core
If you are not sure if the code you plan to commit is acceptable (e. g. when taking code that was submitted with a problem report), ask a developer who is familiar with that part of the system for review. If you're new to the Project, check with your sponsor.
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PaliGemma: Open-Source Multimodal Model by Google
Learn how to use PaliGemma, a vision language model developed and released by Google that has multimodal capabilities.
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Identifying Software
Blog posts about GNU Guix.
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Differ: Tool for testing and validating transformed programs
We recently released a new differential testing tool, called DIFFER, for finding bugs and soundness violations in transformed programs. DIFFER combines elements from differential, regression, and fuzz testing to help users find bugs in programs that have been altered by software rewriting, debloating, and hardening…
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Rust is rolling off the Volvo assembly line
In my job I get to speak to lots of people about Rust. Some are just starting out, some have barely ever heard of it, and then some people are running Rust silently in production at a very large company in a very serious product.
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Zig 0.12.0 Release Notes
Zig is a general-purpose programming language and toolchain for maintaining robust , optimal , and reusable software.
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Postgres vs. Pinecone
We respond to Pinecone's recent blog post comparing Postgres and Pinecone. We show that Postgres can outperform Pinecone in the same benchmarks Pinecone covered in their article.
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Optimizers: The Low-Key MVP
The query optimizer is an important part of any analytical database system as it provides considerable performance improvements compared to hand-optimized queries, even as the state of your data changes.
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Instrumenting Python GIL with eBPF
Learn how to measure the impact of Python GIL contention on application latency using eBPF, with real workload examples.
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Machine Learning Is Still Too Hard for Software Engineers
Machine Learning has made huge strides in the last few decades, but it remains largely inaccessible to the average developer. This post examines some of the reasons why.
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Crystal 1.11.0 Is Released
We are announcing a new Crystal release with several new features and bug fixes.
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Designing a Pure Python Web Framework
A deep dive into how Reflex works under the hood—from reactive state management to compilation of Python components into React.