Java backend, microservices, distributed systems, containerized programming, and more.
This article explains the Linux kernel parameters that limit the number of open files and TCP connections on a server, shows how to calculate practical limits based on memory and configuration, and provides step‑by‑step examples for adjusting those limits safely.
This guide walks through installing MinIO on CentOS 7, configuring it with Docker, setting up a Spring Boot project, and using Java code to perform chunked, resumable, and instant file uploads to MinIO's object storage, complete with sample code and testing steps.
This article walks through building a reusable BaseController using MyBatisPlusPro in a Spring Boot application, covering dependency setup, utility methods for query conversion, generic CRUD endpoints, pagination configuration, and how to extend the controller for specific entities, providing ready‑to‑use code snippets for each step.
This article explains how to replace repetitive try‑catch blocks in Java backend development by using Spring's @ControllerAdvice for centralized exception handling, leveraging Assert assertions and custom enum‑based error codes to create clean, maintainable code and consistent API responses.
This guide walks you through using the open‑source nginx‑gui tool to visually manage Nginx configuration, monitor performance, and set up the application on Linux, including download, configuration file tweaks, Linux‑specific renaming, server deployment, and a look at current features and pending improvements.
This tutorial walks you through creating a reusable BaseController in Spring Boot using MyBatis‑Plus, introducing a utility class for dynamic query building, configuring pagination support, and extending the controller for any entity to instantly gain full CRUD, list, pagination, sorting, and count operations.
This article walks through Spring Boot’s most useful built‑in features—including request logging, content‑caching wrappers, OncePerRequestFilter, AOP utilities, starter auto‑configuration, flexible property binding, async scheduling, Actuator monitoring, and SpEL expressions—showing how to apply them with concise code examples to boost productivity and reliability.
This article presents ten practical techniques—including lazy loading, lazy database initialization, selective auto‑configuration, log level tuning, JVM flags, dependency trimming, bean optimization, JIT tweaks, classpath scanning reduction, and DevTools restart—to dramatically reduce Spring Boot application startup time.
MyBatis-Flex is a lightweight, high‑performance MyBatis enhancement offering zero third‑party dependencies, flexible QueryWrapper support, superior CRUD speed, advanced relational mappings, built‑in data masking, caching, multi‑datasource handling, and customizable SQL auditing, making it a compelling alternative to MyBatis‑Plus for modern Java backend development.
This guide shows how to use IntelliJ IDEA's diagram feature to visualize, clean up, and explore Java Servlet inheritance hierarchies, including removing irrelevant classes, viewing method details, zooming, adding related classes, and jumping directly to source code.
