This article outlines a comprehensive learning path for AI newcomers, covering essential mathematics, programming languages, supervised and unsupervised learning algorithms, special topics, practical advice, deep learning concepts, popular frameworks, and curated resources to build a solid foundation in artificial intelligence.
This article explains Envoy's HTTP filter architecture, routing capabilities, gRPC integration, WebSocket handling, and cluster manager functions, detailing how each component operates without needing knowledge of underlying protocols and how they enable advanced traffic management, observability, and service mesh features.
This tutorial walks you through installing Elasticsearch, understanding its core concepts such as nodes, clusters, indexes, documents and types, configuring Chinese analyzers, performing CRUD operations, and executing various search queries with practical command‑line examples.
This article explains the fundamentals of image recognition technology, its underlying principles, processing steps, neural‑network and nonlinear‑dimensionality‑reduction approaches, and highlights its wide‑range applications and future potential across many industries.
The article surveys how NVIDIA's GPU ecosystem and the Intersect360 study reveal that among the 50 most common high‑performance computing applications, 34 already support GPU acceleration, highlighting the growing importance of GPU computing across scientific, engineering, and business fields.
This tutorial walks through converting a Vue multi‑page project into a server‑side rendered (SSR) setup using Node.js, webpack, and Vue's server‑renderer, covering packaging, data injection, hot‑reloading, and multi‑page deployment.
This tutorial demonstrates how to use CSS background-blend-mode with the lighten blend mode to recolor black‑on‑white images, explains the difference from mix-blend-mode, shows code examples, discusses limitations with transparent backgrounds, and outlines compatibility and further possibilities.
This article explains why creating a database connection for each request is inefficient, introduces the concept and configuration of connection pools, provides a custom Java DataSource implementation, and demonstrates the use of popular open‑source pools such as DBCP, C3P0, and Tomcat JNDI with complete code examples.
This guide walks you through downloading the Anaconda installer, running the setup, configuring the environment on Windows, and using the Anaconda Prompt to manage packages and launch Spyder, all illustrated with clear screenshots and command examples.
This article provides a clear, beginner‑friendly explanation of blockchain, covering its nature as a decentralized database, the role of blocks and hashes, mining mechanics, difficulty adjustment, and how forks are resolved, while highlighting both strengths and limitations of the technology.
This tutorial walks you through setting up a Node.js environment, installing Koa, and progressively building a web application by covering basic HTTP services, context handling, response types, routing, middleware, error handling, cookies, form processing, and file uploads with clear code examples.
This article introduces the three major categories of design patterns, explains the six SOLID principles, and provides detailed Java code examples for creational patterns such as Factory Method, Abstract Factory, Singleton, Builder, and Prototype, illustrating their structure and usage.
The article shows that replacing reflection‑heavy Gson with lightweight JSONObject for manual serialization and a compile‑time annotation‑processor generated library called Mson can cut JSON parsing and writing time to about one‑tenth, while maintaining compatibility and eliminating ProGuard rules for performance‑critical Android apps.
The Lego platform is an internal, data‑driven API automation framework built with Jenkins, TestNG, ReportNG, a Java base library, and a MySQL‑backed web UI that lets users create, schedule, and run lightweight test scripts while minimizing development cost, maintenance effort, and maximizing reporting and extensibility.
Analyzing 2017’s big data boom, the article explores how the 4V characteristics—volume, variety, velocity, and value—spurred innovations like distributed storage, NoSQL, real‑time stream processing, and AI integration, and predicts future hotspots such as SQL resurgence, cloud‑based platforms, and AI‑driven analytics.
This article explores server I/O models—including single‑thread blocking, multi‑thread blocking, single‑thread non‑blocking, and multi‑thread non‑blocking (Reactor) approaches—detailing their mechanisms, advantages, drawbacks, and how kernel‑level event detection improves performance, helping developers choose the right model for various scenarios.
This article explains how to create a Python‑based Scrapy spider that logs into Sina Weibo using cookies, crawls user profiles, posts, followers and followees from the WAP site at speeds exceeding 13 million records per day, and stores the data in MongoDB.
The article introduces the Hawaii framework—a Node.js based server‑side rendering solution used by WeChat HandQ—detailing its background, core RDS request description files, component architecture, development workflow, comparison with React/Vue and GraphQL, and its deployment and monitoring strategies.
JD.com announced the appointment of Professor Peijie, a world-renowned data science expert and ACM/IEEE Fellow, as Vice President to lead its big data platform and AI initiatives, marking a significant step in the company's technology-driven strategy.
Metrics act as health checks for applications, enabling developers to monitor performance, track changes, and assess stability; this article explains Pandora.js’s metric naming conventions, types like Gauge, Counter, Histogram, and Meter, and provides practical Node.js code examples for implementing these measurements.
