The daily ledger

Quoting Felix Rieseberg

The "old" version of Cowork runs model inference in the cloud, executing tool calls in an Anthropic-provided VM we shipped to your computer. We added the VM for capability, safety, and security reasons - mapping in just…

How fast is Python 3.15?

It's October once again, and that means it is time to take the new release of Python for a spin (technically, it is the 3.15.0rc3 release that I'm using, the official 3.15 release is still a few days out). As I did with…

Create an AI Voice Agent for Customer Support

Why a Voice Agent Makes Sense for Support Customer support is shifting from static FAQs to real‑time, conversational experiences. Adding a voice channel lets you: Reduce friction for users who prefer speaking over…

We built 149 file tools that run entirely in the browser. Here is what went wrong

Last week we launched Fileora (fileora.tools): 149 small tools for PDFs, images, video, audio, text and unit conversion. There is no backend, no database and no login. Every file is processed inside the browser tab and…

Componyx: UI components & data binding without the framework tax

Componyx started about 18 years ago as a personal project. It began with a small collection of UI components and a browser compatibility library, a bit like what people used jQuery for back then. As web technology…

useContext Hook in React

Context and useContext in React When building a React application, components often need to share data with other components. Normally, we pass data from a parent component to a child component using props. This works…

Animations Play. Interactions Respond.

I kept rebuilding the same web effects for different projects. Eventually, I stopped rebuilding them and started building a library. There is a folder on my machine where most of my motion experiments go to die.…

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I've been quietly building Antigravity Tools — a collection of 59 free, browser-based developer utilities — and today I'm sharing everything I built and learned. Why vanilla JS? No React, no build step. The main…

When to Compile a Computer-Use Agent? Measuring Payback and Making Compilation Decisions for Token Efficiency

arXiv:2610.02932v1 Announce Type: new Abstract: Compiling GUI procedures that agents execute repeatedly into programs can reduce their token costs. However, measuring payback and deciding when to compile have two…

Will the User Ever Know? Covert Indirect Prompt Injection Attacks on Tool-Using LLM Agents

arXiv:2608.30362v3 Announce Type: replace-cross Abstract: As LLM agents take real-world actions through tools, indirect prompt injection (IPI) has emerged as a serious threat. The standard metric, Attack Success Rate…

On-Premises Multi-Course RAG Tutoring for Business Education: Hardware-Software Trade-offs in a Campus AI Tutor

arXiv:2610.02510v1 Announce Type: cross Abstract: Campus AI tutors based on retrieval-augmented generation (RAG) must ground answers in assigned course materials while keeping textbooks and student dialogue on…

DeReAct: Decomposed Reasoning and Acting for Reliable AI Agents

arXiv:2610.02351v1 Announce Type: cross Abstract: ReAct-based agents typically rely on a single LLM policy to propose actions, interact with the environment, and decide when a task is complete. This coupling makes…

[Boost]

Step-by-Step Guide: Migrating Your React Applications to Version 18 Shrihari Shrihari Shrihari Follow Sep 12 '23 Step-by-Step Guide: Migrating Your React Applications to Version 18 #react #reactjsdevelopment #javascript…

React Props

Props stand for "Properties." They are read-only components. It is an object which stores the value of attributes of a tag and work similar to the HTML attributes. It gives a way to pass data from one component to other…

TanStack Charts 1.0 | TanStack Blog