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Show HN: MCP server for up-to-date Zig standard library documentation

news.ycombinator.com Unknown 2025-12-20 02:10:59

Zig Docs MCP Model Context Protocol (MCP) server that provides up-to-date documentation for the Zig programming language standard library and builtin functions. It uses the same approach as Zig's official autodoc (ziglang.org) by reading STD lib source files directly through a WASM module. However instead of returning HTML, it outputs Markdown which significantly reduces token usage. Tip Add use zigdocs to your prompt if you want to explicitly instruct the LLM to use Zig docs tools. Otherwise

Topics: functions mcp update version zig

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Superfunctions: A universal solution against sync/async fragmentation in Python

news.ycombinator.com Unknown 2025-12-21 17:39:48

This library is designed to solve one of the most important problems in python programming - dividing all written code into 2 camps: sync and async. We get rid of code duplication by using templates. Table of contents Quick start Install it: pip install transfunctions And use: from asyncio import run from transfunctions import ( transfunction , sync_context , async_context , generator_context , ) @ transfunction def template (): print ( 'so, ' , end = '' ) with sync_context : print ( "it's

Topics: code function functions print template

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I'm Unsatisfied with Easing Functions

news.ycombinator.com Unknown 2025-12-26 22:24:28

I'm unsatisfied with easing functions You've probably encountered easing functions before. If you're a creative coder, you've likely heard of them or used them. If you're a user, you've certainly interacted with them. They're everywhere, and they give a little more life to computer generated animations. Taking it easy For the uninitiated: let's say you've got a circle that you want to move from left to right over the course of a second. We can conceptualize this by converting the time into pr

Topics: easing function overshoot progress time

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Debugging Bash Like a Sire (2023)

news.ycombinator.com John Doe 2025-12-31 17:51:28

Many engineers have a strained relationship with Bash. I love it though, but I’m very aware of it’s limitations when it comes to error handling and data structures (or lack thereof). As a result of these limitations I often see Bash scripts written very defensively that define something like: set -euxo pipefail These are bash builtin options that do more or less sensible things. e: Exit immediately when a non-zero exit status is encountered u: Undefined variables throws an error and exits t

Topics: error function info log sh

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Debugging Bash Like a Sire

news.ycombinator.com John Doe 2025-12-31 23:51:28

Many engineers have a strained relationship with Bash. I love it though, but I’m very aware of it’s limitations when it comes to error handling and data structures (or lack thereof). As a result of these limitations I often see Bash scripts written very defensively that define something like: set -euxo pipefail These are bash builtin options that do more or less sensible things. e: Exit immediately when a non-zero exit status is encountered u: Undefined variables throws an error and exits t

Topics: error function info log sh

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“Bypassing” specialization in Rust

news.ycombinator.com Unknown 2026-01-01 11:26:22

"Bypassing" specialization in Rust or How I Learned to Stop Worrying and Love Function Pointers I've spent nearly a year developing and refining my own FAT driver in Rust. For much of the last six months, I had to put the project on hold due to school commitments. However, I'm back now, especially since this project has become my most-starred repository on GitHub. During that journey, I (almost) learned how FAT and filesystems in general work behind-the-scenes and in my attempts to navigate the

Topics: filesystem function read self specialization

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"Bypassing" Specialization in Rust or How I Learned to Stop Worrying and Love F

news.ycombinator.com Unknown 2026-01-01 17:26:22

"Bypassing" specialization in Rust or How I Learned to Stop Worrying and Love Function Pointers I've spent nearly a year developing and refining my own FAT driver in Rust. For much of the last six months, I had to put the project on hold due to school commitments. However, I'm back now, especially since this project has become my most-starred repository on GitHub. During that journey, I (almost) learned how FAT and filesystems in general work behind-the-scenes and in my attempts to navigate the

Topics: filesystem function read self specialization

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To be a better programmer, write little proofs in your head

news.ycombinator.com Unknown 2026-01-14 20:05:39

This is a brief write-up of a trick I learned that helps me write code faster and more accurately. I say "trick", but it's really something I started to do without noticing as I moved further into my career. When you're working on something difficult, sketch a proof in your head as you go that your code will actually do what you want it to do. A simple idea, but easier said than done: doing this "online" without interrupting your flow takes a lot of practice. But once you get really good at it,

Topics: code fields function query recursive

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A better Ghidra MCP server – GhidrAssistMCP

news.ycombinator.com Unknown 2026-01-18 12:21:33

GhidrAssistMCP A powerful Ghidra extension that provides an MCP (Model Context Protocol) server, enabling AI assistants and other tools to interact with Ghidra's reverse engineering capabilities through a standardized API. Overview GhidrAssistMCP bridges the gap between AI-powered analysis tools and Ghidra's comprehensive reverse engineering platform. By implementing the Model Context Protocol, this extension allows external AI assistants, automated analysis tools, and custom scripts to seaml

Topics: function ghidra list tool tools

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Malware found in official gravityforms plugin indicating supply chain breach

news.ycombinator.com Rafie Muhammad 2026-01-18 04:41:59

Update 7-12-2025 06:00 UTC: We have observed some activity in regard to one of the backdoors that involves a gf_api_token parameter. The IP address 193.160.101.6 tries to request, for every site, the following URLs with a spoofed user agent: /wp-content/plugins/gravityforms_2.9.12/notification.php?gf_api_token=Cx3VGSwAHkB9yzIL9Qi48IFHwKm4sQ6Te5odNtBYu6Asb9JX06KYAWmrfPtG1eP3&action=ping /wp-content/plugins/gravityforms_2.9.11.1/notification.php?gf_api_token=Cx3VGSwAHkB9yzIL9Qi48IFHwKm4sQ6Te5odNt

Topics: _request echo function gravity_forms new

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Malware Found in Official GravityForms Plugin Indicating Supply Chain Breach

news.ycombinator.com Rafie Muhammad 2026-01-18 10:41:59

Update 8-11-2025 06:00 UTC: We have observed some activity in regard to one of the backdoors that involves a gf_api_token parameter. The IP address 193.160.101.6 tries to request, for every site, the following URLs with a spoofed user agent: /wp-content/plugins/gravityforms_2.9.12/notification.php?gf_api_token=Cx3VGSwAHkB9yzIL9Qi48IFHwKm4sQ6Te5odNtBYu6Asb9JX06KYAWmrfPtG1eP3&action=ping /wp-content/plugins/gravityforms_2.9.11.1/notification.php?gf_api_token=Cx3VGSwAHkB9yzIL9Qi48IFHwKm4sQ6Te5odNt

Topics: _request echo function gravity_forms new

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Generic interfaces

news.ycombinator.com Axel Wagner 2026-01-21 04:56:48

Generic interfaces Axel Wagner 7 July 2025 There is an idea that is not obvious until you hear about it for the first time: as interfaces are types themselves, they too can have type parameters. This idea proves to be surprisingly powerful when it comes to expressing constraints on generic functions and types. In this post, we’ll demonstrate it, by discussing the use of interfaces with type parameters in a couple of common scenarios. A simple tree set As a motivating example, assume we need

Topics: element func insert set type

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A fast 3D collision detection algorithm

news.ycombinator.com Cairn O 2026-01-26 05:12:16

This article will assume some familiarity with narrow phase collision detection methods and associated geometric concepts such as the Minkowski sum. A few years ago I was watching Dirk’s great presentation, The Separating Axis Test between Convex Polyhedra (video, slides). Around the 18 minute mark (slide 29) he starts talking about overlaying Gauss maps of convex polyhedra to find the faces of their Minkowski difference. Figure 1: A gauss map for two convex hulls The upshot is that all faces

Topics: face function normals support vertex

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Exploring Coroutines in PHP

news.ycombinator.com Doeke Norg 2026-01-26 04:34:13

The term "coroutine" often comes up when talking about asynchronous or non-blocking code, but what does it actually mean? In this post, we will explore coroutines as a concept and see how PHP supports them through Generators and Fibers. Whether you're building pipelines, CLI tools, or preparing to dive into concurrency, understanding coroutines is an essential first step. What are Coroutines? A coroutine is a function. However, where a regular function continuously runs from top to bottom unti

Topics: coroutine fiber function generator value

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Async Queue – One of my favorite programming interview questions

news.ycombinator.com Unknown 2026-02-01 05:46:01

For the past 7+ years, I've been conducting a programming interview that has been a true personal favorite of mine. It was passed down to me from good friends (Jeremy Kaplan and Carl Sverre, and it was the latter whom I believe invented it). This interview has probably been given by us between 500-1000 times across different companies, and upon googling for "async queue interview", I see tons of results. So, it's probably fine for me to blog about it. My main goal with this blog post is to disc

Topics: callback function interview payload sendonce

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Building the Rust Compiler with GCC

news.ycombinator.com Unknown 2026-02-01 11:46:02

Bootstrapping Rust with GCC If you know one thing about me, it is that I love working on the Rust compiler. Some people kayak, travel or play guitar - and I stare at assembly, trying to figure out what I broke. This summer, I am taking on quite a large task: bootstrapping the Rust compiler using `cg_gcc` What does that mean? "bootstrapping" is simply a name given to the Rust compiler build process. So, what I am really trying to do is build a Rust compiler, without using LLVM - and using GCC

Topics: bit compiler function gcc inline

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The messy reality of SIMD (vector) functions

news.ycombinator.com Ivica Bogosavljević 2026-02-01 00:14:52

We’ve discussed SIMD and vectorization extensively on this blog, and it was only a matter of time before SIMD (or vector) functions came up. In this post, we explore what SIMD functions are, when they are useful, and how to declare and use them effectively. A SIMD function is a function that processes more than one piece of data. Take for example a mathematical sin function: double sin(double angle); This function takes one double and returns one double. The vector version that processes four

Topics: compiler double function simd vector

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What's the difference between named functions and arrow functions in JavaScript?

news.ycombinator.com James Sinclair 2026-02-03 04:10:23

Arrow functions (also known as ‘rocket’ functions) are concise and convenient. However, they have subtle differences compared to function declarations and function expressions. So how do you know which one to use, and when? Function declarations and function statements We have (at least) three ways of creating functions in JavaScript. The first is the function declaration. This binds a function to a given name. It looks something like this:1 1 I’ve used String.toLowercase() here, partly for b

Topics: arrow const function functions use

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Couchers is officially out of beta

news.ycombinator.com Unknown 2026-02-07 18:05:20

A new chapter: Couchers is officially out of Beta! Quick summary: we are out of Beta and into version 1, we're releasing a new strategy around safe & active community instead of bashing our competitors, a fancy redesigned landing page, and a bunch of new features to make core couch surfing functionality better! Share the platform with your friends and let's grow the community together! We are super excited to share that Couchers is today finally out of the Beta phase with our version 1 (v1) la

Topics: community functionality help new platform

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Couchers is officially out of Beta

news.ycombinator.com Unknown 2026-02-08 00:05:20

A new chapter: Couchers is officially out of Beta! Quick summary: we are out of Beta and into version 1, we're releasing a new strategy around safe & active community instead of bashing our competitors, a fancy redesigned landing page, and a bunch of new features to make core couch surfing functionality better! Share the platform with your friends and let's grow the community together! We are super excited to share that Couchers is today finally out of the Beta phase with our version 1 (v1) la

Topics: community functionality help new platform

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Asynchronous Error Handling Is Hard

news.ycombinator.com Nicholas Wilt 2026-02-12 18:35:17

(Ed. note: This article was originally published on The CUDA Handbook blog on November 2, 2023.) Every API designer has struggled with the question of how best to propagate errors to their callers, since before the term “API” was invented. Even decades ago (say 30+ years), interface designers knew to separate the error return from the payload, in functions that return other results to their caller. Since it is sometimes useful to know what not to do: My favorite example of an antipattern in th

Topics: api cuda error functions return

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NativeJIT: A C++ expression –> x64 JIT (2018)

news.ycombinator.com Unknown 2026-02-14 02:59:52

NativeJIT NativeJIT is an open-source cross-platform library for high-performance just-in-time compilation of expressions involving C data structures. The compiler is light weight and fast and it takes no dependencies beyond the standard C++ runtime. It runs on Linux, OSX, and Windows. The generated code is optimized with particular attention paid to register allocation. The compiler was developed by the Bing team for use in the Bing search engine. One important use is scoring documents contai

Topics: expression function install nativejit using

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NativeJIT: A C++ expression –> x64 JIT

news.ycombinator.com Unknown 2026-02-15 02:59:52

NativeJIT NativeJIT is an open-source cross-platform library for high-performance just-in-time compilation of expressions involving C data structures. The compiler is light weight and fast and it takes no dependencies beyond the standard C++ runtime. It runs on Linux, OSX, and Windows. The generated code is optimized with particular attention paid to register allocation. The compiler was developed by the Bing team for use in the Bing search engine. One important use is scoring documents contai

Topics: expression function install nativejit using

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Error handling in Rust

news.ycombinator.com Felix Knorr 2026-02-15 00:28:25

On Error Handling in Rust The current standard for error handling, when writing a crate, is to define one error enum per module, or one for the whole crate that covers all error cases that the module or crate can possibly produce, and each public function that returns a Result will use said error enum. This means, that a function will return an error enum, containing error variants that the function cannot even produce. If you match on this error enum, you will have to manually distinguish whi

Topics: btleplug crate enum error function

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Bloom Filters by Example

news.ycombinator.com Unknown 2026-02-14 20:56:09

Bloom Filters by Example A Bloom filter is a data structure designed to tell you, rapidly and memory-efficiently, whether an element is present in a set. The price paid for this efficiency is that a Bloom filter is a probabilistic data structure: it tells us that the element either definitely is not in the set or may be in the set. The base data structure of a Bloom filter is a Bit Vector. Here's a small one we'll use to demonstrate: Each empty cell in that table represents a bit, and the nu

Topics: bloom filter functions hash set

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Show HN: AGL a toy language that compiles to Go

news.ycombinator.com Unknown 2026-02-10 23:36:38

AGL (AnotherGoLang) Description AGL is a language that compiles to Go. It uses Go's syntax, in fact its lexer/parser is a fork of the original Go implementation, with a few modifications The main differences are: Functions return only a single value. This makes it possible to use types like Option[T] and Result[T] , and to support automatic error propagation via an operator. and , and to support automatic error propagation via an operator. To make returning multiple values easy, a Tuple ty

Topics: fmt func int main return

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Rust in the Linux kernel: part 2

news.ycombinator.com Unknown 2026-02-15 05:07:03

How to write Rust in the kernel: part 2 [LWN subscriber-only content] In 2023, Fujita Tomonori wrote a Rust version of the existing driver for the Asix AX88796B embedded Ethernet controller. At slightly more than 100 lines, it's about as simple as a driver can be, and therefore is a useful touchstone for the differences between writing Rust and C in the kernel. Looking at the Rust syntax, types, and APIs used by the driver and contrasting them with the C version will help illustrate those diffe

Topics: driver function kernel phy rust

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A Lisp adventure on the calm waters of the dead C (2021)

news.ycombinator.com Mihai Olteanu 2026-02-13 08:00:24

A Lisp adventure on the calm waters of the dead C I will use a C-like language throughout, with substantial liberties in its syntax, and I will try to answer "what if" and "how" questions regarding the implementation of some new features that actually cannot be implemented in C due to its limitations. I will examine and highlight those limitations. The scope of this exercise is to better understand Lisp and the power of the abstractions it offers over and above what most languages have, even th

Topics: function int language parameters result

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Now Google’s Gemini AI is ready to fill in those empty cells in your spreadsheet

theverge.com Emma Roth 2026-02-19 05:17:20

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Google is launching a new AI function in Sheets to help you generate text to fill out parts of your spreadsheet. The feature, powered by Google Gemini, can reference specific cells to create text, summarize information, or categorize your data. In the example shared by Google, you can use the new AI function to generate and tailor copy for an adver

Topics: ai cells copy function google

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Primitive Kolmogorov complexity is computable

news.ycombinator.com Unknown 2026-02-18 03:58:06

/ 5 min read This post is mostly AI generated, of course with significant guidance, feedback, iteration and some edits from me. There was little for me to gain writing this myself, but I felt it needed to be written down regardless. Kolmogorov complexity and Solomonoff's theory of inductive inference offer formal, theoretical solutions to measuring complexity and forming predictions. However, both are uncomputable, a fact that is often treated as having significant implications in computabilit

Topics: complexity function functions primitive recursive

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Latest Tech News

Show HN: MCP server for up-to-date Zig standard library documentation

Superfunctions: A universal solution against sync/async fragmentation in Python

I'm Unsatisfied with Easing Functions

Debugging Bash Like a Sire (2023)

Debugging Bash Like a Sire

“Bypassing” specialization in Rust

"Bypassing" Specialization in Rust or How I Learned to Stop Worrying and Love F

To be a better programmer, write little proofs in your head

A better Ghidra MCP server – GhidrAssistMCP

Malware found in official gravityforms plugin indicating supply chain breach

Malware Found in Official GravityForms Plugin Indicating Supply Chain Breach

Generic interfaces

A fast 3D collision detection algorithm

Exploring Coroutines in PHP

Async Queue – One of my favorite programming interview questions

Building the Rust Compiler with GCC

The messy reality of SIMD (vector) functions

What's the difference between named functions and arrow functions in JavaScript?

Couchers is officially out of beta

Couchers is officially out of Beta

Asynchronous Error Handling Is Hard

NativeJIT: A C++ expression –> x64 JIT (2018)

NativeJIT: A C++ expression –> x64 JIT

Error handling in Rust

Bloom Filters by Example

Show HN: AGL a toy language that compiles to Go

Rust in the Linux kernel: part 2

A Lisp adventure on the calm waters of the dead C (2021)

Now Google’s Gemini AI is ready to fill in those empty cells in your spreadsheet

Primitive Kolmogorov complexity is computable

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