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ActiveMQ Authentication and Setup
Authentication The particular Docker image of ActiveMQ that I'm currently using doesn't support ...
Aspect Oriented Programming
What the heck is AOP? Aspect oriented programming is a programming technique just like object or...
Maven Tests
Maven Test When you execute mvn test it will compile and test the source code that's underneath ...
Lombok
Project Lombok Lombok is a Java library that can help you generate lots of the boiler plate code...
Jacoco Plugin
What is Code Coverage Code coverage is a quality measurement during development process to see h...
Functions
Functions To write a function you would need to use the func keyword, provide the name of the fu...
Loops and range
For loops The only looping construct in Go is the for loop. There is no while loop, but it is ac...
Playing with Apache Kafka
Kafka Setup In this article I'm going to use Kafka with Zookeeper instead of KRaft. This is beca...
Consumer groups
This page just details out the possible scenarios where the number of partitions and consumers in...
Basic Operators and Comparsion
Math Operators +, addition -, subtraction *, multiplication /, division %, remainder **, ex...
ECS, Fargate, ECR, & EKS
Amazon ECS Elastic container service. It is Amazon's own container platform. Let you launch cont...
Caching vs CDN
Cache(ElastiCache) Again caching is storing data that are frequently accessed into RAM so that t...
High Availability and Scalability: ELB & ASG
Scalability There are two type of scalability, vertical scalability and horizontal scalability. ...
EC2 Instance Storage
EBS Volume Elastic block store volume is a network drive that you can attach to your EC2 instanc...
EC2 Fundamentals
Setting up billing alert If you would like your IAM user to also be able to set up billing alert...
IAM & AWS CLI
IAM: users and groups Identity and access management, it is also a global service because it is ...
Packages, Crates, and Modules
Crate The smallest unit that the Rust compiler will work with. When you run rustc some_file.rs t...
Object reference vs pointer
Pointer variable Let's start from the beginning, computer memory location are layered out in add...
Promises and promise chaining
Time before promise, callbacks There are entities in JavaScript that let you schedule asynchrono...
Classes in JavaScript
Class basic syntax Besides using a constructor function there is a more advance object oriented ...