Should I get AWS certified?

Spring Data JPA vs Hibernate

Spring Data JPA vs Hibernate including what is Hibernate, what is Spring Data JPA, and the key differences surrounding each.

How to Implement User Authentication in Java Web Apps

How to implement user auth in Java web apps including what is user auth, user auth mechanisms and more.

How do you create an index in MongoDB?

Compound Index | MongoDB Indexing Tutorial

How compound index works in MongoDB including useful overview, explanations, and examples.

Index Performance | MongoDB Indexing Tutorial

Overview of index performance, including explanations, comparisons and other examples.

Indexing Types | MongoDB Indexing Tutorial

Overview of the different indexing types in MongoDB including what are indexes, how they work, and the different types.

Unique Index | MongoDB Indexing Tutorial

How unique indexes work in MongoDB, including overview, explanation and examples.

List Indexes | MongoDB Indexing Tutorial

How to list indexes in MongoDB including what are indexes, how indexes work, and listing the indexes in your database.

Create Index | MongoDB Indexing Tutorial

Creating an index in MongoDB, including overview, explanations, and examples

What are KafkaListener Annotation Properties?

@KafkaListener | Spring Boot Example

A Spring Boot example using the KafkaListener annotation including annotation properties, KafkaListenerContainerFactory and Default KafkaConsumerFactory explained.

What is the Log4j2 vulnerability and Spring Boot?

What is Kafka consumer poll?

What is Kafka consumer poll

npm install | how it works

The npm install command and how it works with and without arguments. Learn what happens under the hood with dependency resolution and the difference between npm dependencies and devDependencies.

MongoDB $lookup in 5 Minutes

MongoDB $lookup examples including pipeline example, joins, and $lookup with conditions. Quickly understand $lookup aggregations with these examples and explanations