This tutorial walks through adding Spring Security to a Spring Boot web application, covering Maven dependencies, unsecured home page creation, MVC view‑controller setup, detailed security configuration, login and hello pages with Thymeleaf, the main application class, and testing the protected endpoints.
Discover the best Linux distributions specially tuned for gaming, including SteamOS, Ubuntu GamePack, Fedora Games Spin, SparkyLinux GameOver Edition, Lakka, Game Drift Linux, Solus, and Manjaro Gaming Edition, and learn their key features, hardware requirements, and pre‑installed tools.
The article explores Python’s Global Interpreter Lock (GIL), explaining its origins, how it limits true multithreading, the challenges of removing it, historical attempts, recent improvements, and why developers often prefer multiprocessing over threading for parallel execution.
A seasoned developer explains his personal approach to quickly learning new programming languages, critiques beginner tutorials, and presents three concise exercises that help experienced programmers efficiently grasp syntax, handle input, and practice control structures in any language.
This article explores the challenges of distributed transactions in microservice architectures, explains consistency theories like CAP and BASE, compares classic 2PC with eBay's event‑queue approach, TCC compensation, and cache‑based eventual consistency, and offers practical guidance for choosing the right solution.
The article reviews Oracle's high‑availability and sharding advances in 18c, including RAC Sharding 2.0 and Active Data Guard features, and examines MySQL 8.0's major improvements such as the removal of MyISAM, data‑dictionary optimizations, self‑tuning, enhanced security, and new performance capabilities, while also comparing MySQL with PostgreSQL.
The article provides a comprehensive overview of Software‑Defined Networking (SDN) and Network Functions Virtualization (NFV), detailing their concepts, major vendor solutions, open‑source projects, industry challenges, and the considerations CSPs must address when adopting these technologies for agile, automated network services.
This article provides concise answers to common Linux interview questions, covering GPL and free software concepts, distro selection, essential startup services, system optimization steps, runlevels, boot process, link types, partition planning, file deletion, vi usage, user management commands, grep and sed options, crontab syntax, important directories, shutdown/reboot commands, sudoers configuration, permission management, SecureCRT shortcuts, log auditing solutions, network troubleshooting, shell quoting, startup configuration files, and a list of useful Linux commands.
This article compiles fifteen core Python interview questions—covering language basics, code snippets, multi‑threading, decorators, garbage collection, and version control—each with detailed answers, explanations of why they matter, and visual examples to help candidates ace Python developer interviews.
This tutorial demonstrates how to use Python to crawl official game websites of League of Legends, Honor of Kings, and Smite, extracting hero skin images by locating hero IDs, constructing image URLs, and downloading the files, providing complete code examples for both direct URL extraction and pattern‑based downloading.
This guide provides Linux system administrators with a comprehensive, step‑by‑step checklist—including hardware health checks, UPS verification, server and network device inspections, real‑time monitoring setup, and secure remote maintenance—to ensure stable and secure operations throughout the holiday period.
MIT researchers introduced the Genesis system, which automatically learns from existing patches to generate and evaluate new patch templates, achieving nearly double the bug‑fix success of the best hand‑crafted approaches and reducing programmers' fixing time by about 50%.
This article explains the fundamentals of video live streaming, covering terminology, bitrate, frames, key vs. non‑key frames, CDN caching strategies, and the end‑to‑end live streaming pipeline—including capture, preprocessing, encoding, pushing, transcoding, distribution, and playback—along with typical use‑case scenarios.
Apple surprised developers by publishing the XNU kernel source for macOS and iOS on GitHub, explaining the kernel’s origins, licensing under APSL 2.0, and how this move may help developers understand system internals while aiming to attract more contributors.
Alibaba's Global Operations Center (GOC) was honored with the DRI International "Best BCM Innovation Practice" award for its industry‑leading, end‑to‑end business continuity solution that ensures 99.99% service availability through proactive fault prevention, rapid detection, automated recovery, and thorough post‑incident analysis.
This article introduces Linux process monitoring by mapping four classic fictional detectives to the commands ps, dstat, top, and htop, then provides detailed explanations of each command's options, output fields, and practical usage for system administrators.
This tutorial walks beginners through creating a minimal Scrapy project, writing a spider that fetches forum thread titles and content, extracting data with XPath, and extending the crawler with pipelines, middleware, and common settings for robust web scraping.
This article explains Kafka end‑to‑end auditing, compares three products (Chaperone, Confluent Control Center, Kafka Monitor), describes timestamp and index embedding techniques, and outlines their architectures, metrics, and implementation details for detecting data loss, duplication, and latency.
This article surveys recent breakthroughs in deep learning for computer vision, explains what constitutes an advanced architecture, outlines common vision tasks, and provides concise overviews plus paper and Keras implementation links for ten influential models such as AlexNet, VGG, ResNet, and GAN.
In this talk, a Tencent founder shares practical insights on startup strategy, from identifying user pain points and delivering exceptional user experience to leveraging cross‑industry opportunities, adapting to market shifts, aligning management with strategy, restructuring organizations, prioritizing core areas, and building a trusted founding team.
