Please suggest some resources for learning.

For building a computer from scratch there's a famous From Nand to Tetris 😏

For building programming languages/interpreters from scratch there's a ton of resources:

• Crafting Interpreters
• Write Yourself a Scheme in 48 Hours and its "translations" in other implementation languages
• Language Implementation Patterns
• and many others

Compilers:

• Introduction to Compilers and Language Design
• Essentials of Compilation
• and so on

Also there are lots of tutorials on building Virtual Machines for programming languages, many of them are about Wasm nowadays.

I recommend to check codewithmosh is great tetcher have many courses he have channel in yootube 1h tutorial video in every cours if liked u can buy full cours

Yay! I get to talk about my absolute favourite GitHub repo
Build your own x
It's a compilation of tutorials to build just about anything from scratch

Yay! I get to talk about my absolute favourite GitHub repo
Build your own x

It's a compilation of tutorials to build just about anything from scratch

Learn Java :

https://www.youtube.com/watch?v=kOfzYKdt1rA&list=PLikg_txE3zh6YlKdaL_BJMyJZYv-m58H6
[Free]

I am putting together a series that covers Java for absolute beginners! It's designed for those who may not have ever coded before. I am about 19 videos in on the main series I am working on, but I also have some others. I hope this helps someone! Feedback is always welcome. :

Look at edEx. They have a lot of courses which are free and you only pay if you want a certificate at the end.

for Django please visit geeky show in youtube ,i found it Quite well

Hi, I strongly recommend a site called Udemy. The courses have a friendly price and you can see some videos about the course that you wanna buy it.

This is not a course or tutorial per se, but if you want to really dive into Docker and containerization, Ivan's blog is AMAZING iximiuz.com/en/.

It really goes into details and shows you step by step how to eg. reproduce the Docker magic on a Linux using just built-in commands. I was using those technologies for so long and never took a step back; learning how it works under the hood was really inspiring and cool.

I hardly have ever come across (as I can recall at least) any source on creating a database engine from scratch. I think it's even harder than creating a custom compiler either for an existing language or for a new one (DSL?).

But is it just curiosity or are you trying to scratch an itch? I do understand the curiosity, but let me hint you: only invest in knowledge that you're quite certain it might benefit you somewhere between now and ten years ahead. Studying rocket science will not benefit you if you won't build a rocket or plan to become an astronaut. If you understand what I am saying.

Maybe not really up your ally, but this book is quite informative on the lower level of computing: "Computer Systems: A Programmer's Perspective, 3 Edition" - David R. O'Hallaron & Randal E. Bryant

If you really must understand databases as a system and the theory behind them, this is a good start: "An Introduction to Database Systems" - C.J. Date

Mr. Date is regarded as the godfather of all things databases. Very dry book, but this is where a lot of RDMS's are based on.

If you ever find a good and reliable source on search engines I'd like to be informed. Since all I can find is mere "Queries against a database to look up what I'm looking for" kind of level. Not how Google has set the mark on real engines for searching and how searching in general is a completely different field on its own. Because that would be interesting.