Pointers, visually explained | Code Words

Pointers can be pretty challenging to get your head around. But even if you never use them, understanding the layers below high level code can help you write more reliable and efficient software.

This video is aiming to give you a conceptual overview of pointers, so some specific details have been simplified here.

0:00 Intro
0:23 Values
0:49 References
1:54 Memory
2:42 Stack and Heap
3:14 Allocating memory
4:33 Memory safety
6:00 Arrays
6:32 Linked lists
8:35 Pointer sizes
10:07 Outro

If you want to explore deeper, here are some great resources to learn more:

[Sieg_]

Dang! The quality in these videos is amazing. So underrated!

[ad.i]

This is quite literally one of the most helpful "visual" videos on programming that I have ever watched, holy crap

[adsick_ua]

nice walkthrough, I'm a Rust programmer came here just to refresh some basic cs stuff.

[colinfinnie]

You explained this perfectly! The quality of the video is amazing!

[phonenaing]

Legend! You explained this soo much better than ChatGPT! And I loved the fact you covered the dangers with pointer arithmetic. Keep up the great work :)

[Cengizhan]

Its such a joy to watch your explanations :) rare to find such clear visuals and i hope you keep on doing them because i will watch all of em 🥰

[Leandro_SWR]

Always had some trouble with Pointers, this was an excellent explanation! Thank You :D

[giant]

Dude, your visually explained video is great
Hope u still do something like that

[doodlegarbage]

Even a year later, these videos are helping programmers like me to this day.

[scoutgaming]

Now I understand why copy functions must exist for lists. Thanks!

[gnricnam]

Very great video ive sent this too my friends so they can see this creativity!

[raiden]

Really good video on how to explain pointers ;)
I had a hard time understanding them in my C/C++ course but these kind of videos + tutorial helped me get my head around them !!

[arkedx]

Awesome visuals and explanation! Thank you!

[neekopat]

100th like for this video/ I really hope this video goes far and wide, being used as a reference to teach students like me about pointers. Thank you!

[pmh]

Thank you, it's really helpful for me

[jochemarends]

This video is amazing. The visuals are beautiful and the explanation is clear 👍