In this interview, senior architect Hu Shuai explains that DevOps is fundamentally a mindset promoting development‑operations integration, discusses its benefits, applicability, a real‑world transformation case, the role of microservices and containers, and the cultural and technical challenges of successful adoption.
This article outlines the design principles and architectural strategies for constructing a high‑concurrency, high‑availability e‑commerce platform, covering space‑time tradeoffs, caching layers, indexing techniques, parallel and distributed computing, load balancing, stateless services, resource optimization, fault tolerance, data storage options, and real‑time processing components.
The Linux Foundation introduced EdgeX Foundry, an open‑source, cloud‑native framework that unifies edge‑computing APIs and enables local processing of IoT data, reducing latency, network traffic, and enhancing security for a wide range of industrial and consumer applications.
This article compiles practical advice from two seasoned engineers—Rebecca Murphey and Philip Walton—covering essential front‑end tools, module usage, testing, build automation, Git strategies, server‑side rendering, Node.js mastery, deep code understanding, browser spec vigilance, code reviews, teamwork, and the value of documenting learning.
This article explains why Promises were created, walks through their three states, then/chain usage, Promise.all and Promise.race, and demonstrates practical implementations with RequireJS across AJAX calls, image handling, and custom dialogs to improve code readability and maintainability.
This article chronicles the historical development of ASCII, RS‑232, early hardware terminals, modems, 36‑bit systems, and related Unix terminology, explaining how these once‑common technologies shaped modern computing and why their legacy still matters today.
This article walks through building a Python web scraper for Zhihu, covering login simulation, extracting user profiles, answer likers, followers, avatars, and all answers of a question, and storing the collected data in SQLite, while highlighting challenges like captcha and anti‑scraping limits.
This article explains the concepts of zombie and orphan processes in Unix/Linux, analyzes a real‑world PHP‑FPM incident where thousands of zombie processes exhausted system resources, and presents diagnostic steps, testing procedures, and preventive coding practices to avoid such issues.
This guide details the step‑by‑step process of moving a Windows‑based Oracle 11g RAC cluster to a Linux environment, focusing on building DataGuard between a single‑instance source and a RAC target, adjusting IPs, updating parameter files, handling tnsnames.ora, password files, RMAN backups, and finalizing the standby configuration.
This article explores how thoughtful microcopy—tiny UI text elements—can turn empty screens into engaging, personality‑rich experiences by aligning visual design, brand voice, and user emotions, offering practical guidelines and examples for product designers.
Pika, developed by 360’s Web Platform and DBA teams, is a Redis‑compatible, disk‑based key‑value store that addresses Redis’s high memory cost and scalability limits by offering persistent storage, multi‑threading, compression, and easy migration tools, making large‑capacity data handling cheaper and more reliable for enterprises.
This guide walks through setting up a distributed log collection and analysis platform using ELK (Elasticsearch, Logstash, Kibana) together with Redis on two CentOS machines, covering environment preparation, component installation, configuration, testing, and visualizing nginx access logs.
This article introduces two Python baselines—one using historical average conversion rates and another applying one‑hot encoding with logistic regression—to demonstrate feature engineering and model training for an app advertising conversion rate prediction contest.
This article describes the background, architecture, encountered performance bottlenecks, and a three‑level caching strategy (Redis‑based) implemented in Python to accelerate a measurement platform that aggregates bug, issue, and code metrics for a rapidly growing development team.
The article presents a comprehensive evaluation of common image formats and compression algorithms—including Guetzli, WebP, MozJPEG, and Libjpeg‑Turbo—by comparing their compression ratios, quality metrics, encoding speed, and practical deployment considerations for large‑scale mobile services.
This article explains what infographics are, why they are essential for simplifying complex information, outlines the six main types of visual representations, and presents five key principles—eye‑catching design, accurate messaging, simplicity, eye‑movement guidance, and minimal text—to create effective infographic designs.
This article presents a detailed analysis of the evolution from MVC to MVP in Android hotel‑business development, illustrates common pitfalls such as bloated controllers and context loss, introduces Ctrip's extended MVCPI pattern with weakly‑typed IView, Presenter and Interactor components, and provides concrete code examples for each architecture.
The Alibaba Java Development Manual, now in its 1.2.0 version, offers a comprehensive, industry‑tested coding standard that covers layout, examples, rule corrections, and new content, aiming to boost code quality, development efficiency, and future international adoption.
This article explains eight common reasons why Oracle SQL statements fail to use indexes, provides concrete rewrite techniques, shows how optimizer bugs can block index usage, and outlines practical steps for enforcing SQL development standards through automated audit tools.
The article traces the impact of Ford’s 1910 assembly line on software delivery, explains Jez Humble’s definition of deployment pipelines, showcases continuous delivery concepts, and presents real-world examples from Baidu, Netflix, and an open-source end-to-end pipeline, highlighting key design points for DevOps transformation.
