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My previous Python config validator was great for local development, but it hit a wall in minimal "distroless" containers and hardened environments wh
Java 17 Records vs Classes: When to Use Which A comprehensive guide to choosing between Java 17 records and classes for effective programm
How to Write Reliable Benchmarks with JMH 1.37 for Java 24 Microservices Microservices built with Java 24 demand precise performance valida
If you have worked with Spring Boot for a while, you have used Spring Security without fully tracing what happens inside it. You add a dependency, co
The Cucumber + Selenium boilerplate problem Every Cucumber + Selenium project in Java starts the same way. Before you write a single step,
After analyzing 127 production 1M+ LOC codebases across 3 cloud providers, we found Kotlin 2.1 uses 18.7% more heap than Java 23 for equivalent busine
When I started learning DSA, arrays were the first topic I encountered — and honestly, they seemed too simple to matter. Then I saw them show up in al
Spring Boot is one of the most popular frameworks in Java development, designed to simplify the process of building powerful and scalable applications
Book: Kotlin and Java to TypeScript Also by me: The TypeScript Library — the 5-book collection My project: Hermes IDE | GitHub — an IDE for deve
If you're building enterprise-grade Java teams, training needs to go beyond basics. I’ve published 2 complete guides covering: ✔ Java enterprise cur
After 15 years building distributed systems for Fortune 500 companies and contributing to open-source microservice frameworks, I’ve never seen a Java
Learn to design, develop, and deploy complete web applications using front-end and back-end technologies. This training covers Java, Spring Boot, data
In Java, it is possible to inherit attributes and methods from one class to another. We group the "inheritance concept" into two categories: subcla
Stop Trusting Your AI-Generated Tests: Hardening Codebases with PITest and Claude Code Agentic Loops In 2026, generating code is the easy p
What is Map in Java Collections? A Map in Java (from Java Collections Framework) is a data structure that stores data in key–value pairs.
I started writing Java professionally in October 2009 but had been working with C and Java since 2005 in college, on the side as well. I have watched
Implementing Spring Security with Custom UserDetailsService and Database Integration Learn how to implement Spring Security using a custom
The "No Waste Compute" Constraint When I started designing the Exeris Kernel, I set one non-negotiable rule very early: no waste compute. T
Executive Summary dd-trace-java is a powerful tool for Java developers looking to enhance their application performance monitoring (APM) ca
Benchmark: Go 1.24 vs Java 24 vs Python 3.13 Runtime Speed for 100K Concurrent Connections Concurrent connection handling is a critical met