Focusing on Java backend development, covering application architecture from top-tier internet companies (high availability, high performance, high stability), big data, machine learning, Java architecture, and other popular fields.
This article explains how deep pagination in Elasticsearch triggers costly scatter‑gather queries that overload CPU, memory, and network, and it presents practical alternatives such as the scroll API and search_after to achieve efficient, real‑time pagination for large datasets.
This article introduces four popular open‑source projects—Varia, a unified download manager; GKD, an Android ad‑skipping tool; Paper2Video, which converts academic papers into presentation videos using AI; and WeKnora, Tencent's enterprise‑grade LLM‑powered knowledge‑base platform—providing brief overviews, installation steps, and key features.
This article explains why @Transactional fails in multithreaded MySQL insert scenarios, demonstrates how to split large data sets, configure a thread pool, and use SqlSession with manual commit to guarantee atomicity across parallel threads, complete with runnable code examples and test results.
This guide walks through setting up ZLMediaKit in Docker, configuring FFmpeg, creating a Spring Boot backend with streaming APIs, and building a front‑end FLV player, providing a complete end‑to‑end solution for live video streaming and playback.
This article explains how Java's lambda expressions and Stream API replace verbose boilerplate with concise, functional code, covering core pain points, simple sorting examples, the three Stream operations, declarative pipelines, advanced concurrency and null‑handling techniques, and a decision guide for when to use lambdas.
Java 25, the latest long‑term support release, introduces a suite of enhancements—including pattern‑matching for primitive types, module import declarations, a compact main method, improved record classes, structured concurrency, scoped and stable values, vector API, compact object headers, Shenandoah GC, AOT optimizations, JFR upgrades, security updates, and the removal of 32‑bit x86—aimed at making Java more concise, safer, faster, and easier to observe.
Warpgate is an open‑source, Rust‑crafted bastion host that delivers secure, transparent, and high‑performance remote access for SSH, HTTPS, MySQL, and PostgreSQL without requiring any client software, offering native 2FA, SSO, session auditing, and a single 30 MB binary deployment.
Spring’s team announced that RestTemplate will be deprecated in Spring Framework 7.0 and removed later, outlining its limitations and presenting the new RestClient as a modern, fluent alternative, while also recommending WebClient for reactive scenarios and offering migration strategies for existing projects.
Learn the essential concepts of virtualization, explore Hyper-V’s key features, and follow detailed instructions to enable Hyper-V on Windows, configure system requirements, create and customize virtual machines—including Windows 11 installations—using PowerShell, CMD, and graphical settings, with tips for optimal performance.
This article explores the challenges of fuzzy searching encrypted data, categorizes three implementation approaches—naïve, conventional, and advanced—examines their trade‑offs, provides practical examples and performance calculations, and offers recommendations for secure and efficient query solutions.
