puneetchhabra.coDesigning and Implementing a Scalable Notification SystemDesigning and implementing a notification system that can send various types of notifications (e.g., email, SMS, push notifications) based on user preferences. Quick Links:System Design VideoProject Demonstration VideoIt is recommended to go through ...Dec 20, 2024·7 min read
puneetchhabra.coLombok Not working in IntelliJ even after everything seems fine.If lombok was working fine, and suddenly stopped working on some project (new projects maybe), try these steps: Lombok plugin installed, annotation processing enabled, added dependency, still lombok not working: Go to File > Project Structure > Libr...Dec 15, 2024·1 min read
puneetchhabra.coCustom Partitioner for Kafka Producer using application.properties | Absolute beginner guideI almost gave up trying to configure Custom Partitioner Class using application.properties. spring.kafka.producer.partitioner.class=classPath Does not work after trying a hell lot of things. The partitioner.class remained null everytime. I even trie...Dec 13, 2024·1 min read
puneetchhabra.coAsynchronous vs Synchronous Operations using example of Android User Registration App.This Android app allows new users to sign up and existing users to log in via their credentials. Firebase Realtime Database is used at the backend to store the user's information. Key Features User registration and login with email and password Che...Dec 30, 2023·3 min read
puneetchhabra.coHow to use Chat Easy: Power-Ups for WhatsApp on AndroidYou must have encountered situations where you have to send a message or share a document on WhatsApp to someone who is not in your contact list and this is just one time you want to message them. Yeah, maybe to your customers, or at the photocopy sh...Nov 15, 2023·2 min read
