The best free machine learning courses. Andrew Ng's classic is a must. Also, Google offers a great crash course. Begin your ML journey today at no cost.

I love data science, but I didn't spend much on courses. Instead, I used free resources to get certified. This helped me land my first job at a tech startup.

Save this before you start DSA with Python. 🐍

When I began learning Data Structures & Algorithms, I wasted weeks jumping between random tutorials.

If I had to start fresh, this is the exact roadmap I’d follow 👇

✅ Arrays & Strings → slicing, rotations,…

You've built a great machine learning model that works in your notebook. Now, you need to deploy it to serve real users without crashing or causing problems.

Save this before your next SQL interview: 6 notes that matter most.

Most people waste time memorizing obscure functions.

But 90% of SQL interview questions come back to these basics 👇

1️⃣ SELECT + WHERE → Filters (start here)
2️⃣ GROUP BY + HAVING → Summaries…