According to Netcraft’s January 2017 survey, the global number of active websites grew 1.1% year‑over‑year, with Apache retaining the top market share at 42.78%, Nginx climbing to 3.84% and overtaking IIS to capture 53.2% of all web‑server deployments.
This article traces the evolution of Tencent Cloud Block Service (CBS), detailing the transition from the initial CBS1.0 built on three distributed systems, through the streamlined CBS2.0, to the cost‑effective two‑layer CBS3.0 architecture, and discusses the technical challenges, solutions, and operational outcomes.
This article shares candid insights on why many programmers struggle with entrepreneurship, highlighting common misconceptions, overconfidence, lack of teamwork, and the need for an open mindset and practical experience to succeed in building a startup.
The article introduces Transwarp Transporter, a near‑real‑time ETL tool for TDH 5.x, explains its architecture, visual dashboard, drag‑and‑drop data‑flow design, debugging features, parameter management, and highlights how it empowers business users to achieve fast, reliable data migration in big‑data environments.
The Intel 545S SSD, featuring a 64‑layer TLC 3D NAND architecture, is evaluated through extensive synthetic and real‑world benchmarks, revealing solid sequential speeds, decent read latency, but notable firmware stability issues that currently limit its recommendation despite an attractive price point.
In an exclusive interview, Alibaba AI Lab's distinguished scientist Dr. Wang Gang discusses the lab's research on multimodal AI, edge computing, AI hardware, bio‑inspired cognition, quantum‑deep‑learning integration, and the challenges of moving from recognition to true understanding, while also outlining Alibaba's AI talent recruitment plans.
This guide walks through diagnosing a CentOS server where SSH, web, and database services are down, analyzing log files, reinstalling OpenSSH, adjusting file attributes, and configuring iptables and access controls to restore secure remote access.
This tutorial walks through using Python and OpenCV to capture screen images from GTA V, covering screen grabbing, converting to NumPy arrays, improving frame rates, handling key and controller input, and setting up a basic autonomous driving test environment, all without relying on pre‑existing libraries.
The paper describes Meituan‑Dianping’s two‑stage recommendation pipeline—recall and ranking—and how a Wide & Deep neural architecture, enriched with extensive user, item, and context features and trained with Adam and cross‑entropy loss, significantly boosts CTR and recommendation novelty, with future plans to add RNNs and reinforcement learning.
This article outlines the development of Tencent Cloud Block Service, describing the transition from the monolithic CBS1.0 through the streamlined CBS2.0 to the two‑layer CBS3.0 architecture, and discusses the design choices, operational challenges, performance optimizations, and industry comparison with Ceph.
The article defines dynamic image formats, traces their history from GIF to WebP, compares GIF, APNG and WebP features and Android decoding performance, showing WebP offers smaller files and faster loading at higher CPU cost, while GIF remains most compatible and CPU‑efficient.
This article shares the end‑to‑end design and development experience of a startup e‑commerce platform, covering business requirement analysis, efficient development practices, security measures, performance and architecture optimizations, as well as team‑building lessons learned.
The team rescued a crashing Redis cache handling 100K‑120K QPS by shrinking Nginx Lua timeouts, trimming connection pools, adding four Redis nodes behind Twemproxy, and splitting keys to raise cardinality, which eliminated connection spikes, balanced shard load, and restored stable performance.
GCanvas offers a JavaScript API compatible with HTML5 Canvas, delivering cross‑platform, high‑performance graphics rendering on Android and iOS by leveraging OpenGL ES, bypassing WebView limitations, and providing developers with a seamless Canvas‑like experience for mobile front‑end applications.
The article reflects on the nature of programs as code and data, distinguishes persistent and transient data, explains JavaEE MVC and multi‑layer architecture, critiques the overuse of JavaBeans, and advocates using key‑value Maps as a simpler, more flexible data‑transfer model.
This article presents a comprehensive guide to database sharding, covering implementation strategies, vertical and horizontal partitioning, global primary key generation techniques, framework versus custom solutions, multi‑data‑source transaction handling, and a novel, migration‑free scaling approach that combines incremental range and hash‑based routing.
The article compares Flash and HTML5, explains Canvas 2D and WebGL rendering modes, and presents performance tests showing WebGL’s superior speed across browsers, while also discussing practical implications for web game development.
The article describes how a high‑traffic e‑commerce transaction system improves availability through rate limiting, circuit breaking, gray‑release, JVM warm‑up, an online diff testing tool, the ARES regression platform, and a DAG‑driven asynchronous execution framework to boost throughput and reduce latency.
This article explains the core functions of relational‑database middleware, dives into Sharding-JDBC’s architecture, performance characteristics, and implementation details such as sharding rules, SQL parsing, routing, rewrite, execution, result merging, and distributed primary‑key generation, and outlines its future roadmap.
This article explains what raw (裸) devices are, how to identify and use them with Oracle on Unix, their performance advantages, when they should be employed, and practical tips for configuration, backup, and related storage considerations.
