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I just completed Module 2 of the LLM Zoomcamp 2026 by @DataTalksClub — and this module completely changed how I think about search. Module 1 taught me RAG and agentic pipelines. Module 2 taught me that the search step inside RAG matters far more than I realized — and that keyword search is only half the story. Here's everything I built and learned. What Is Vector Search and Why Does It Matter? Traditional keyword search matches words. If you search for "enroll", it f...

An AI gives a long answer. You read fast and skip most of it. Every time. 🤔 Why Your eyes don't read the whole reply. They look for one thing: the line that says do this, not that . The other 400 words are extra. So I wanted a way to turn any answer into short notes — the kind you write in the margin of a book. ✂️ What toot turns a long answer into short notes. A few words per line. Symbols do most of the work. The name is Persian: toot (توت) means mulber...

API layer pattern (HTTP) 1) Contract Require Idempotency-Key on POST that creates resources (optional on GET, safe methods). For PUT / PATCH , prefer natural keys (resource URI) + concurrency (ETag) over custom keys. Return Idempotency-Replayed: true on replays. 2) What to persist (TenantId, IdempotencyKey) — unique . Request fingerprint (stable hash of method + path + canonicalized body). First status code , headers (whitelisted), ...

What do we mean by “materialized view” on Azure SQL? SQL Server/Azure SQL doesn’t have Oracle-style materialized views; the closest native feature is an Indexed View (schema-bound view with a clustered index). In practice, teams use three flavors: Summary and key points Materialized read models (indexed views or custom projection tables) absolutely help large-scale pagination by removing runtime work and enabling perfect indexes for your cursor pattern. Use cust...

If you're running AI workflows in n8n that touch real customer data — emails, phone numbers, account IDs, health records — that data is almost certainly reaching external LLM APIs in plain text. n8n execution history stores every node's input and output by default, which means anyone with instance access can read raw PII from your logs. This post covers five concrete approaches, from zero-dependency quick fixes to production-grade solutions, with real tools, install instructions, and honest t...

How constant responsiveness fragments attention, trains external dependency, and turns your mental bandwidth into a publicly accessible resource After refactoring identity-level approval patterns, another operational issue became impossible to ignore: My attention was constantly interruptible. Not occasionally. Continuously. Every notification, request, message, update, or emotional signal was treated as immediate priority input. The system operated like this: Incoming inte...

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Feel free to tell what you plan on doing this weekend and even ask for help or feedback. Please keep in mind it’s more than OK to do nothing at all too!

I’ve been working on a platform that’s built specifically for local businesses, but instead of being nationwide, it’s organized by city. Right now I’m focused on Austin, Dallas, and Houston. Business owners can: - Create a business profile - Discover other local businesses - Share updates with the community - Create local events and collect RSVPs The challenge is getting enough businesses to join so the community becomes valuable. I’m avoiding paid ads for now because I’d like to pro...

In a situation where my cofounder is a highly reputed professional in their domain, and I am the engineering guts. Without them, the company would be in greater dire straights, than without me. That said, they are too busy and senior to go all in on a startup, and require someone trusted (me) to actually run the company. I have bandwidth, am much younger, and can take risks. They would of course greatly influence the direction and be instrumental in networking with customers. We need to create...

Spent three hours last week looking for Reddit threads where someone was describing the exact problem my tool solves. Found four posts worth commenting on. Two had no promo rules I missed. One was there months old, a dead thread. The fourth was genuinely perfect. I'd already burned my daily comment on that sub. That's when I realized I was searching wrong. I was looking for any conversation, not the right conversation. Relevant is different from active, and active is different from "t...

I did some reading, and for example, a lot of companies are registered in Delaware. One advantage that I am aware of is if a company is successful and gets Venture Capital, and if it is registered in its home state, it will have to switch its registration to Delaware.

Assistant from a relatively popular media organisation in my country reached out saying they found out about my startup and were positively impressed and wanted me on their tv show for entrepreneurs. Got on a call with the program manager, talked to him, and he said that it normally would cost 40k-60k but they have a lot of funding so they can do it for the 'small price' of 3k that's necessary to give us the rights. They mentioned having 800k viewers, supporting young entrepreneurs, they take ca...

Launched my app on the App Store and Google Play last month. It’s an AI stylist. Right now I have exactly one active user . Before anyone says it’s an activation problem, I don’t think it is. I pressure-tested the onboarding during a soft launch, my CTA is clear, and I don’t think the answer is adding more features. The real challenge is getting those first 100 users. Marketing without spamming people or hoping to magically find great UGC feels like a completely different game than build...

My startup is in a weird B2B2C / infrastructure / not-quite-SaaS space. Because of that, my answers to "what is this?" vary pretty drastically depending on whether I'm talking to an investor, a partner, a customer, or someone with absolutely no context at all. So, alongside launching a blog for my site, I built a chatbot fed on my pitch deck, my site, and FAQs for each audience. The idea was simple: use the bot on my site, promoted through LinkedIn, in my email signatures, etc. Then ...

Welcome to this week’s Feedback Thread! Please use this thread appropriately to gather feedback: Feel free to request general feedback or specific feedback in a certain area like user experience, usability, design, landing page(s), or code review You may share surveys You may make an additional request for beta testers Promo codes and affiliates links are ONLY allowed if they are for your product in an effort to incentivize people to give you feedback Please refrain from just posti...

I had a conversation this week with someone who has been in her industry for over two decades. Deep expertise, strong reputation, real results for clients. Her business runs entirely on referrals. On the surface that sounds great. In practice it means her revenue is completely dependent on who happens to think of her at the right moment. She has no way to reach people who don't already know her, and no system to change that. The referral ceiling is something I see constantly with experienced...

Hi everyone, After spending the last year building a deep-tech startup, I wanted to share my personal experience. This isn't meant to say India can't produce successful deep-tech companies—there are excellent examples—but it explains why I found the journey significantly harder than I expected. A year ago, I started a deep-tech startup at the intersection of embedded electronics, AI, and wearable technology. What we've accomplished so far: Filed 3 patents covering innovations in elec...

In a situation where my cofounder is a highly reputed professional in their domain, and I am the engineering guts. Without them, the company would be in greater dire straights, than without me. That said, they are too busy and senior to go all in on a startup, and require someone trusted (me) to actually run the company. I have bandwidth, am much younger, and can take risks. They would of course greatly influence the direction and be instrumental in networking with customers. We need to creat...

Hi, I’m currently a customer facing software engineer at a FAANG in the Gen AI space (5 yoe, 235k tc). I received an offer to join a NYC based startup doing AI for Nursing Homes as a founding engineer: - 230k base, 20k sign on bonus - .45% equity at seed (raised 8m at 37m val) - long waitlist - 22 customers with 1200 total buildings but most are in pilot (5 homes) with intention of rolling out to all as the product matures - no 996, 4 days in person 5th day remote with weekends off - sa...

Hi everyone, After spending the last year building a deep-tech startup, I wanted to share my personal experience. This isn't meant to say India can't produce successful deep-tech companies—there are excellent examples—but it explains why I found the journey significantly harder than I expected. A year ago, I started a deep-tech startup at the intersection of embedded electronics, AI, and wearable technology. What we've accomplished so far: Filed 3 patents covering innovations in elec...

Last year I started working on a hard-tech startup idea in nuclear engineering. About a month ago, it reached a stage where it felt presentable. At first, I wasn’t taking it too seriously, it started more as something fun to explore. But after sending a few emails around, a VC became interested. I initially mentioned a £10M raise, and they said they’d be open to looking at around £2.5M as a starting point. The idea revolves around two products aimed at de-risking a development. I’ve also sta...

It is 11pm, or 2am, and your body is finally still. The lights are off, the day is done, and that is exactly when your mind picks up the megaphone. The conversation you should have handled differently. The thing due Thursday. The decision you already made, now back for review. If your overthinking saves its loudest performances for the moment you lie down, you are not doing anything wrong. Night is simply when the conditions are perfect for it. Why you overthink so much at night ...

The local test suite was green. Eleven of eleven. I told the agent we had test coverage, and I said commit and push. We shipped an SDK that had never once been compiled by the chip's real compiler. I write backend systems. I do not write firmware. The project generates C code for a microcontroller, and the generated code had to compile inside CDK — the vendor's build environment — on a Windows machine, against a RISC-V cross-compiler, inside a packaging system I had never used. None of that e...

In June 2026, Loop Engineering swept through the entire AI engineering community. Peter Steinberger's tweet with 6.5 million views, Boris Cherny's "I no longer prompt Claude, I write loops," Addy Osmani's official naming — three people, two weeks, one concept from the fringe to the center. But concepts are concepts. When you actually want to implement Loop Engineering, you discover an awkward reality: There isn't a single tool on the market that lets you build a production-grade Loop wi...

Hi I am Karan Vishwakarma , Fresh CSE graduate of 2022 - 26 Batch. Well, my engineering journey was not quite successful. I started learning development in my 3rd year, since it was easy to start with and could get me an internship. I learned web development from Udemy, thanks for that. It helped me to get into startup as Frontend developer. Yes, Currently I am frontend developer. The job is quite well, building frontend pages, managing the old frontend modules, optimization, im...

PDF files are everywhere. Developers, students, businesses, and creators use them every day for documents, reports, invoices, and forms. However, working with PDFs on the web is not always simple. Many users still need to download software just to convert a file from PDF to Word, JPG, or another format. I wanted to solve this problem by building a free online PDF converter that works directly in the browser. The goal was simple: Create a fast, easy-to-use tool where users can upload ...