Abdullah
@abdecoder
🚀: Secure Software Development ❤: Angular, .Net Core, Reactjs, FastApi Helping businesses build a secure, reactive and real-time web apps.
I love discussing : "Design a system for 1 million users." Most jump to tech: "I'll use Kafka, Kubernetes, blah blah!" Game over 🥵 I can tell you this is a red flag. The best engineers start with a question, not a technology. A question that reveals if they truly…
Algorithms you should know before taking System Design Interviews
Correlation is the skill that has singlehandedly benefitted me the most in my career. In 3 minutes I'll demolish your confusion (and share strengths and weaknesses you might be missing). Let's go:
Starting a #PhD soon? A mature PhD student showed me their screen saver. It said: You're not too old and It's not too late. Stop wondering about might have beens. Jump in and give it a go. #PhDchat #PhDForum
Excited to release new repo: nanochat! (it's among the most unhinged I've written). Unlike my earlier similar repo nanoGPT which only covered pretraining, nanochat is a minimal, from scratch, full-stack training/inference pipeline of a simple ChatGPT clone in a single,…
I’m hiring PhD students for 2026 @TTIC_Connect. More details here: ttic.edu/studentapplica…
Copy-pasting PyTorch code is fast — using an AI coding model is even faster — but both skip the learning. That's why I asked my students to write by hand ✍️. 🔽 Download: byhand.ai/pytorch After the exercise, my students can understand what every line really does and…
Announcing my new course: Agentic AI! Building AI agents is one of the most in-demand skills in the job market. This course, available now at deeplearning.ai, teaches you how. You'll learn to implement four key agentic design patterns: - Reflection, in which an agent…
🚀 I'm hiring 2026 Applied Scientist / ML Engineering Interns to push the frontier of multi-agent AI for the enterprise. 💡 Research NLU, generative & agent-based AI, machine learning ⚡ Build scalable models, benchmark datasets & metrics 🤝 Create impactful solutions for…
✨ "Resourceful Suspense" from JSNation is out! I built the same AI app in Angular & React to compare deferred loading trade-offs. See how these work across: ‣ Deferrable views vs Suspense ‣ Deferred data ‣ Incremental hydration ‣ AI tool calling gitnation.com/contents/resou…
Enforcing module boundaries with SQL? Here's an interesting idea: - Define a schema per module (logical boundary) - Create an access policy for each schema This prevents any cross-schema queries, unless you explicitly allow them.
If someone submits AI-assisted code to another human to review, I expect them to understand the code that is produced and be able to answer critical questions about it. It isn't a human reviewers job to review and understand a PR so broken that it requires significant rework.…
Embedded interview question Topic: power You have a 3.3 V input rail but your system operates at 1.2 V. What can you do?
My first NLP lectures at Columbia are in the books! In our first two lectures, we went over (1) learning from text with a simple word vector language model, and (2) tokenization of text. Lecture notes are brand new and freely available on my website (links in thread.)
Both DSPy and (especially) GEPA are currently severely under hyped in the AI context engineering world
Now that school is starting for lots of folks, it's time for a new release of Speech and Language Processing! Jim and I added all sorts of material for the August 2025 release! With slides to match! Check it out here: web.stanford.edu/~jurafsky/slp3/
The result of this is I'm finding myself more and more having to get comfortable saying: yeah this fixes the problem, but the code is trash and its not my obligation to fix that, so I have to reject this change. (Sometimes its easier because the trash code causes new bugs)
My son is about to learn cosine in high school trig. He probably will roll his eyes and think: “what a waste of time.” I made this walkthrough by hand ✍️ to tell him that cosine is what powers vector databases. Download 🔽 byhand.ai/vecdb Cosine → angle between vectors.…
At MIT, the only course I ever dropped was signal processing. The DFT math was too intimidating. It’s so easy to just type fft() in MATLAB and move on. Years later, I finally did DFT by hand. ✍️ If you are also afraid of DFT, I hope this helps! ⬇️ Download:…
Couldn't resist. Here's a pure PyTorch from-scratch re-implementation of Gemma 3 270M in a Jupyter Notebook (uses about 1.49 GB RAM): github.com/rasbt/LLMs-fro…
Gemma 3 270M! Great to see another awesome, small open-weight LLM for local tinkering. Here's a side-by-side comparison with Qwen3. Biggest surprise that it only has 4 attention heads!
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