Welcome to my notes! I regularly publish notes to better understand what I’ve learned and to explore new ideas. I would love to hear from you—leave a comment or reach out on Mastodon @alexkehayias.
What’s on my mind lately?
With the growing popularity of tools like Perplexity, OpenAI, Search GPT, and retrieval-augmented generation (RAG), and a healthy dose of skepticism in artificial intelligence (e.
First Round Capital has a helpful guide to product market fit that helps to orient founders so they can focus on the right things.
I see a lot of startups with domain names like getbarai.
NRR measures the ability of a business to expand revenue over time.
One of the interesting lessons from rock climbing is that people can reach much further than they think they can.
I often find myself wondering what I did yesterday. I want to be able to reflect on the day before as I get ready in the morning for the day to come.
If a home computer is running on a local network with no ports exposed, how are tools like tailscale working to connect to said computer?
When working in emacs, especially in large org-mode files and completion lists, garbage collection pauses cause the experience to feel sluggish.
The impact of storms can be measured by the status Waffle House in 1,600 locations from the mid-Atlantic to Florida and across the Gulf Coast.
Dify mashes together LLMs, tools, and an end-user facing UI together to make an LLM workshop.
I have a private network using Tailscale that runs a few local websites and services.
The definition of fragility (and its inverse antifragility) is the acceleration of harm.
I want to access a private network behind Tailscale network so that I can make an API call to update my personal indexing service when a GitHub repo changes.
“Mañana, a lovely word and one that probably means heaven.
On Mobile Safari, text inputs can not be autofocus by design.
I’m setting up dokku as a personal infrastructure PaaS for running services like the personal indexing service.
Sales is difficult enough, but selling a good solution to the wrong people makes it worse.
Shortcuts add a scripting layer on top of iOS (and macOS but I don’t use that) that can be executed across any app or screen.
In 1895, Paul Otlet and Henri La Fontaine built a paper internet with 18MM index cards affectionately referred to as the Mundaneum.
Soft drinks in the US are all kosher. It’s not because the US population keeps kosher but because the majority don’t have a strong preference and a minority are absolutely adherent.
I recently picked up rust for a personal infrastructure project and was amazed at the amount of progress on the language and tooling over the years.
An exercise I learned about from Jeff Weinstein about finding a north star metric goes something like this.
As much as I love my emacs setup, I can’t take my laptop with me everywhere and that is my biggest compliant.
Paul Graham’s essay on founder-mode vs manager-mode is about how the advice to “hire good people and give them room to do their jobs” doesn’t work well for founders in practice.