Community driven content discussing all aspects of software development from DevOps to design patterns. The implementation of Java 8 Lambda expressions required an introduction to a number of new ...

The Java SE 21 Developer Professional exam is designed for Java developers to validate their skills and expertise in Java Standard Edition (SE) 21. This certification demonstrates a developer's ...

Recently, I implemented a Java VM in Python. This is the second time I have implemented a Java VM, the first being five years ago when I wrote it in R. (Summary from when I implemented it in R: How to ...

Hello guys, the Internet is full of useful resources, and no matter what you want to learn, there is something useful available for free. You just need to commit your time and effort. But at the same ...

Lambda expression support for JPA (Java persistence API) Criteria API repositories. Basic Criteria API is hard to write, because its calls cannot be chained. This library solves the problem. The ...

Single-cell RNA sequencing (scRNA-seq) is becoming a standard technique for transcriptome profiling and is widely applied to many areas of genomics. Compared to the previous bulk RNAseq technique that ...

This code should throw an IndexOutOfBoundsException. There are multiple ways in JUnit to write a test to verify this behavior. The method assertThrows has been added to the Assert class in version ...

If laziness really is one of the virtues of a great programmer, then AWS Lambda is like a developer’s holy grail. With Lambda, you don’t have to spin up any servers, or configure or patch them, or pay ...

When Twitter began to fracture, Bluesky had the perfect opening. It was a tempting, decentralized alternative, backed by former Twitter CEO Jack Dorsey, with a clean interface and a wave of ... In a ...

For true programmers, there is an inherent joy in programming. Our goal is to maximize the time that we spend in the zone, and our tools should help us do just that. No matter what the craft, the ...