Understanding the difference between cold and hot observables is essential when working with RxJS. Depending on how values are produced, observables fall into two categories Cold and Hot.
A cold observable produces values internally and only starts producing them when someone subscribes. This means t...
Introduction
Software engineering can be a lucrative, fulfilling career. The world runs on a variety of software applications, whether desktop, mobile or web. There are a lot of university degrees, courses and boot camps that teach the concepts of computer science, software engineering and different programming languages.
However, what is lacking and is needed is a...
Tired of manually writing CREATE TABLE statements for every Excel spreadsheet that lands on your desk?
We've all been there. A client sends you product data in Excel, a stakeholder wants it in the database, and you're stuck mapping columns to data types. It's tedious, error-prone, and honestly? It should be automated.
Introducing the Excel to SQL Query ...
TL;DR: I took FLXBL's new FILE fields, VECTOR fields, and vector search for a spin by building an AI-powered personal knowledge base called BrainLinks. Upload a PDF, and AI extracts concepts, links them to your existing knowledge, and lets you search semantically across everything you've ever saved. The interesting part? Combining vector similarity with graph t...
Last week I watched a Claude agent write a complete Next.js app with a Postgres-backed API, authentication, and tests. Took about 8 minutes. Then it said "here's your code" and I spent the next hour manually provisioning the database, configuring the deployment, setting environment variables...
