The daily ledger

Quoting Ted Sanders

In general, LLM performance is incredibly multidimensional. There's no guarantee of a fixed ordering where the model that is best at math is also the model that's best at jokes. Despite that complexity, much of the…

How to make app plugins/extensions?

I don't know if this is possible. If I create an application, distributed as a closed-source native binary, can I also distribute plugins a separate binary files that extend the functionality of that app? Or is there…

Node.js 24.22.2 (LTS)

Node.js 26.13.0 (LTS)

GitHub Octoverse 2026

GitHub Octoverse 2026 I'm at GitHub Universe today (GitHub gave me a free ticket through their "GitHub Stars" program). EVP Jay Parikh just announced this year's Octoverse report, and highlighted these numbers in…

How to create a fixed array on the heap?

I've not used Rust much and I'm getting stuck a bit using the type Box<[u32;1024]>, I can't figure out how I'm supposed to directly allocate and zero initialise this without copying it from the stack or using a vector…

The October inflection point for vibe game development

I've written before about how November 2025 was an inflection point for coding agents - the point where Opus 4.5 and GPT-5.1 crossed a tipping point that meant their respective coding agents became reliable daily…

Why Clippy says this loop will never actually loop?

I think this is a Clippy error, because everything works as expected, but I can't stop guessing if there is a subtle error in my code: pub async fn run(mut self) { tracing::info!("Redis host task started"); 'exit: loop…

Quoting Terk Terkowitz

If your work does not benefit from current AI tooling, that is a finding, not a failing. Document why, share it with your community of peers, bring it to your manager, and work to find solutions. An engineer who can…

Mocking a File for unit testing

Is there a lib that handles mocking File? 7 posts - 4 participants Read full topic

Using Your Own Embeddings in Spring AI 2.1

VectorStore.add() takes text documents, generates embeddings with the store's configured model, and saves both. Spring AI 2.1 adds upsert for applications that already have embeddings or generate them from images,…

Spring AI 2.1 Message Parts: Reasoning That Survives the Round Trip

Spring AI: Message Parts Doc | Upgrade Notes | OpenAI Responses Doc | Session Doc Reasoning models do more than think before they answer. They hand part of that thinking back to you and expect to get it back on the next…

Java Secure Coding Guidelines

Get an overview of the Secure Coding Guidelines for Java and best practices. Examples will be provided to show insecure practices that may lead to security vulnerabilities. Learn how to avoid issues by applying the…

Enforcing MCP Permissions Before a Tool Handler Runs

A tool description contains readOnlyHint: true. The assistant asks to inspect a stopped automation. The operator expects the configuration to stay unchanged. That expectation needs enforcement at the service handling…

From a 100 MB cap to 5 GB: Cloudflare R2 multipart upload with resume and cancel in the browser

I built Clipboard Share (https://www.clipboardapp.org), a no-login web clipboard for moving files between your phone and PC. For a while, files were capped at 100 MB because everything went up as a single presigned PUT…

Days between dates in America/Los_Angeles: when one day becomes zero

A reader suggested running my days-between-dates check with a timezone behind UTC, such as America/Los_Angeles. I had only tested the calculator logic in one zone. So here is the same small test run under three zones,…

Create an AI Voice Assistant with ElevenLabs and Node.js

Why ElevenLabs for a Voice‑First Bot? If you’ve ever wanted to give your app a “real” voice—something that sounds natural, expressive, and even mimics a specific speaker—ElevenLabs is the go‑to service today. Their API…

Converting WebP and PNG to JPG in the browser: why transparent pixels turn black

You right-click an image on a website, hit "Save image as", and get a .webp file. Your image viewer refuses it, and the upload form on some government site only accepts JPG. I build CompressPhoto, a set of free image…

Why I love building 100% client-side web tools (and how I do it)

I'm a solo indie developer based in China. Over the past year I've built more than 20 small web tools, and almost all of them share one design decision: no backend at all. Here's why I keep coming back to it. No server…

The sign-up form project

Devoted Code: The sign up form that Gentle Criminal deserves! By irl La Brava 💻❤️ Init: This is a different project that I made. Yes, it is also a fan-art project, but this fan-art projects elevates itself to new…