Never write a for loop again — Streams are one of the most significant features to come out of Java 8. To find out why they are useful, you will need to understand what a stream is in Java. A stream is a sequence of data that allows for a special type of processing on all or…

Why you should use defaultdict in Python — Here’s the situation:

A few must-know use cases of Spring Boot’s application.properties — It is the default property file (resource) that is automatically recognized by the application. Yes, it is possible to have multiple property files within a single application. By default, this file is located in the main/resources directory of the project. Essentially, application.properties is a key-value repository resource that is widely…

Generators in Python are more than just an alternative to lists — A generator is a construct in Python that allows for lazy or ad hoc loading of a stream of data. They can work like a list and be looped over, but generators have the ability to maintain state. Yes, I know this will mean nothing to you without an example…

Making Your Jars from the Command Line — JAR. JAva aRchive. This is a file format that allows you to package your Java code into a single file format. This file format can be be used for storage or it can be runnable. …

Merge multiple PDF files with a simple script — Is it just me? I like to try cool, fun stuff in Python. One of the most useful programs I have ever written is a PDF merger. The inspiration came as a result of needing to combine several PDFs together all at once without overriding any existing PDF resource. Let’s Do It Ourselves! To…

Explore the Feign client and other useful libraries — Have you ever had the trouble of making an HTTP request to several different Application Programming Interfaces (APIs)? Wouldn’t it be easier to combine only what you need from these different APIs into a single API? Creating a middleware can solve this issue. A software application middleware allows us to…

Learning How to Run Java using Only the Command Line — I don’t know if it’s how I was taught Java but my go-to method of running it is through the terminal. I enjoy the “hacker vibe” you get from being able to just use the keys on your keyboard to control the execution of a program. In this article, I…

Building an API in Spring that connects to a MariaDB database — Spring is a framework that allows you to create enterprise-level applications. The problem arose where it took many configurations to get an initial application up. This is where Spring Boot came along. “Spring Boot allows you to abstract (hide) these configurations. So you can get a preconfigured template application.” …