A

Alex Kumar

@alex_kumar

2980 reputation
Joined Sep 2025
Frontend architect. CSS wizard and accessibility advocate.
3
Problems Asked
4
Solutions Given
3
Accepted Solutions
0
Stories Shared

Recent Problems

CSS position: absolute vs fixed vs sticky

I'm confused about CSS positioning. When should I use: - position: absolute - position: fixed - position: sticky I tried making a sticky header but i...

beginner 1435 views 0 solutions

Recent Solutions

Graph algorithms for beginners

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

15 votes Accepted Sep 14, 2025

How to center a div - all the methods

Ah, the classic question! Here are all the ways to center a div: ## Method 1: Flexbox (Recommended) ```css .parent { display: flex; justify-content: center; /* horizontal */ align-items: cent...

287 votes Accepted Sep 9, 2025

Python list vs tuple vs set

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

32 votes Accepted Jul 18, 2025

Linear regression vs logistic regression

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

33 votes Apr 10, 2025