Kycha Blog.
I write about React, Node.js, and AI.
So, your team just asked you to build a chatbot that actually knows about your company's internal data — and you're staring at a blank screen wondering where to begin? Been there. And in this post, I’ll walk you through how I would approach building a chatbot with your own data, step-by-step — using a simple but powerful chatbot system design.
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Ever Heard of This Mysterious Thing Called RAG?
Have you ever sat in a meeting where someone casually drops the term RAG, and everyone just nods like it’s common knowledge? Meanwhile, you're sitting there thinking, “Wait… what is RAG?” Yeah, that was me too. So I did some digging — and now I'm here to share what I found.
How I Fixed a Weird Flexbox Bug (and Saved My Sanity)
Have you ever spent hours trying to figure out why your Flexbox layout is completely falling apart? Same here. Just yesterday, I hit a wall trying to make a simple layout work—and what I found might save you from the same headache....
How to write good React code?
I was debugging `useEffect` hooks in the app I developed a long time ago. I saw an evil mixture of one-mile long dependency array, coupled logic, and repetitive code created by some crazy alchemist (me from the past). It shouldn't be like that, we can do better!
How to scope Tailwind CSS rules?
The other day, I was working on my React Chatbot Widget and realized there was something I didn't account for. Of course, I needed to scope all the Tailwind CSS classes right from the beginning!