Shortcut is the superhuman AI agent for Excel. Automate spreadsheet tasks, generate formulas instantly, and build LBOs, DCFs, and 3-statement models in minutes. Save 10-15 hours per week on finance and spreadsheet work with AI-powered Excel automation.

Hyperlink is a local-first AI agent that understands your files privately—PDFs, notes, transcripts, and more. No internet required. Data stays secure, offline, and under your control. A Glean alternative built for personal or regulated use.

Personal Finance, Investments. A Wealth of Common Sense is a blog that focuses on wealth management, investments, financial markets and investor psychology. I manage portfolios for institutions and individuals at Ritholtz Wealth Management LLC.

:books: Freely available programming books. Contribute to EbookFoundation/free-programming-books development by creating an account on GitHub.

A Natural Painting Program Intuitive digital art, Our Paint makes you feel right at home.

This is a transcript of my keynote presentation at the Agile Cambridge conference in England on October 2nd, 2025. The topic was “The Accountability Problem.” How do we define software department accountability so our business partners don’t do it for us?

It’s only in recent history that freedom has come to mean having a huge array of choices in life. Did we take a wrong turn?

Take a trip to space and explore the atmosphere in the world’s only space elevator.

Lessons learned from building RAG systems for Usul AI and enterprise clients, processing over 13 million pages.

What I learned when I stopped trying to make life exciting

イマジナリーキューブフラクタルの開発ヒストリーやプロダクト紹介、パズルの概要情報を掲載しています。Fractal Imaginary Cubes

A technique for deterministic labeling from stochastic models, with benchmarked Golang implementation.

Become an evolutionary detective to find the Mystery Animal! The animal kingdom (Metazoa, in Greek) is full of our distant relatives… some more distant than others! Metazooa is a game that tests how well you know our extended family tree.

Your goal is to figure out today’s Mystery Animal in as few guesses as possible. Wrong guesses will narrow down the answer by taxonomic rank (kingdom, phylum, class, order, etc.) The more your guess has in common with the answer, the more you will learn about the Animal.

Detective Wiki is a discovery game that challenges your knowledge of the world through endless questions about ideas, people, places, and things.

Welcome to Fastreach Fastreach determines the reachable area of public transport given a start station, date and maximum travel duration (isochrone). These parameters can be configured on the panel in the top-left. The travel duration is capped at 120 minutes.

Between stations Fastreach considers walking as well as trains, trams and busses according to their timetables. The reachable area is visualized via a multi-polygon. It’s properties are described in the top-right panel.

Fastreach uses the weekly timetable data provided by Delfi e.V. from the 15 September 2025. Accordingly, timetables can only be considered complete from 15 September to 21 September. Data for walkways is taken from OpenStreetMap. Fastreach’s source code lives on GitHub.

No personal information is processed on this site. For the map tiles your browser makes requests to OpenStreetMap. Their privacy policy can be found here.

Contexts Optical Compression. Contribute to deepseek-ai/DeepSeek-OCR development by creating an account on GitHub.

An AI Model Just Compressed An Entire Encyclopedia Into A Single, High-Resolution Image.

A step-by-step guide to building a key-value database from scratch.

LibriVox audio recordings are Public Domain in the USA

Local LLMs prioritize privacy over security. Our research reveals a 95% backdoor injection success rate. If you’re running a local LLM for privacy and security, you need to read this