Best Code Practices for Real-World Applications - Part 1
Tuesday, February 3, 2026
1. Avoid Stale Closures in React with Functional State Updates
When working with React state, a very common pattern is updating state based on its current value — adding an item to a list, removing one, incrementing a counter, etc. Many engineers use useCallback in these cases to “optimise” ...
Purchase subscription to view premium content
Purchase our premium plans to access exclusive questions, solutions, and all the premium content we offer.
All premium questions
High-quality solutions
AI code reviews
Frontend System Design interview guide
Select Questions by Company
Recommended Questions
See More




