Today, i learnt about dead letter, an simple mechanism to handle undelivered message, expired message, basically missed one. In RabbitMQ, Dead Letter Exchanges (DLX) and Dead Letter Queues (DLQ) are essential mechanisms for handling undeliverable messages. They allow you to isolate problematic messages for further analysis and troubleshooting, ensuring the smooth operation of your…

Problem Statement Given an array arr[], find all possible triplets i, j, k in the arr[] whose sum of elements is equals to zero. Returned triplet should also be internally sorted i.e. i<j<k. My Approach

As part of cloud design patterns, today i learned about Gateway Aggregation Pattern. It seems like a motivation for GraphQL. In this blog, i write down the notes on Gateway Aggregation Pattern for my future self. In the world of microservices, applications are often broken down into smaller, independent services, each responsible for a…

Today i learnt about Alternate Exchange, which provide a way to handle undeliverable messages. In this blog, i share the notes on what alternate exchanges are, why they are useful, and how to implement them in your RabbitMQ setup. What Are Alternate Exchanges? In the normal flow, producer will send a message to the…

Problem Statement Geeks For Geeks – https://www.geeksforgeeks.org/problems/count-pairs-with-given-sum–150253/1 Given an array arr[] and an integer target. You have to find numbers of pairs in array arr[] which sums up to given target. My Approach Today’s problem is similar to Two Sum problem, but with a counter.