I thought React was broken because console.log(state) showed old values. Here is why React batches updates and acts asynchronously.
Class is there, but style is missing? Debugging Tailwind CSS like a detective.
Think Android is easier than iOS? Meet Gradle Hell. Learn to fix minSdkVersion conflicts, Multidex limit errors, Namespace issues in Gradle 8.0, and master dependency analysis with `./gradlew dependencies`.
App crashed with TypeError? Learn why 'Null is not a subtype of String' happens and how to make your JSON parsing bulletproof with Zod/Freezed.
Clicked a button, but the parent DIV triggered too? Events bubble up like water. Understand Propagation and Delegation.
At first, I cursed React: "Why can't you just update a variable properly?" But behind that inconvenience was a deep engineering decision: "How do we paint the web faster and more efficiently?"
setState is async (Mailbox).useEffect to verify (Delivery Confirmation).Once I understood this, React stopped being an enemy and became a reliable partner. If a non-CS major like me can get it, so can you.