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21CTO
21CTO
Sep 25, 2017 · Backend Development

Dubbo Cluster Fault Tolerance Explained with Source Code Walkthrough

This article walks through Dubbo’s cluster fault‑tolerance mechanism, detailing the roles of Directory, Router, and LoadBalance, illustrating each step with architecture diagrams and source‑code snippets, and clarifying how different fault‑tolerance strategies like failover, failsafe, and load‑balancing are implemented.

Backend DevelopmentCluster Fault ToleranceDubbo
0 likes · 10 min read
Dubbo Cluster Fault Tolerance Explained with Source Code Walkthrough
21CTO
21CTO
Sep 25, 2017 · Big Data

How Meitu Scaled Its Billion-User Data Analytics: Architecture Evolution and Lessons

This article explains how Meitu built and evolved a large‑scale data statistics platform to handle billions of users, detailing the challenges of growing data volume, the architectural shifts from simple scripts to Hadoop, and the design of modular components for job management, scheduling, execution, and future expansion.

Big DataHadoopHive
0 likes · 16 min read
How Meitu Scaled Its Billion-User Data Analytics: Architecture Evolution and Lessons
Java Captain
Java Captain
Sep 25, 2017 · Fundamentals

Java Collection Framework Overview with Code Examples

This article explains the Java collection class diagram, distinguishes concrete classes, abstract classes, and interfaces, describes Iterator and ListIterator behavior, and provides detailed code demonstrations of HashSet, ArrayList, ListIterator, and WeakHashMap usage along with their outputs.

Data StructuresIteratorWeakHashMap
0 likes · 13 min read
Java Collection Framework Overview with Code Examples
JD Retail Technology
JD Retail Technology
Sep 25, 2017 · Fundamentals

Virtual Business Quality Assurance: Best Practices and Team Building

This article discusses quality assurance strategies for virtual businesses, covering layered testing approaches, external decoupling techniques, process simulation, risk prevention, and team building methods to ensure efficient and reliable platform operations.

automation toolse-commerce platformrisk management
0 likes · 7 min read
Virtual Business Quality Assurance: Best Practices and Team Building
Baidu Intelligent Testing
Baidu Intelligent Testing
Sep 25, 2017 · Mobile Development

Automated Measurement of Mobile H5 Page Load Time Using Chrome DevTools Protocol and Machine Vision

This article presents two experimental methods for automatically obtaining load‑time metrics of mobile H5 pages—one leveraging Chrome DevTools Protocol to collect network, page, DOM and runtime data from Android Chrome/WebView, and another using computer‑vision techniques to detect progress‑bar visual cues in recorded screen videos.

AndroidChrome DevTools Protocolmachine vision
0 likes · 9 min read
Automated Measurement of Mobile H5 Page Load Time Using Chrome DevTools Protocol and Machine Vision
BiCaiJia Technology Team
BiCaiJia Technology Team
Sep 25, 2017 · Product Management

Choosing the Right Requirement‑Analysis Strategy for Complex IT Systems

This article explores how product managers can decide between business‑oriented and technology‑oriented requirement‑analysis approaches for large‑scale IT systems, highlighting the trade‑offs, impact on user experience, and practical tips for combining both methods to build robust, user‑friendly solutions.

Requirement Analysisbusiness vs technicalproduct management
0 likes · 5 min read
Choosing the Right Requirement‑Analysis Strategy for Complex IT Systems
BiCaiJia Technology Team
BiCaiJia Technology Team
Sep 25, 2017 · Frontend Development

30 Essential Front‑End Performance Hacks Every Developer Should Know

This article compiles a comprehensive checklist of front‑end performance techniques—ranging from reducing HTTP requests and using CDNs to caching Ajax, lazy loading, minimizing DOM size, avoiding redirects and iframes, and applying compression and caching headers—to help developers build faster, more responsive web pages.

CDNFrontend PerformanceHTTP Compression
0 likes · 28 min read
30 Essential Front‑End Performance Hacks Every Developer Should Know
Architecture Digest
Architecture Digest
Sep 25, 2017 · Backend Development

Dubbo Cluster Fault Tolerance: A Source Code Walkthrough

This article provides a step‑by‑step analysis of Dubbo’s cluster fault‑tolerance mechanism, explaining the roles of Directory, Router, and LoadBalance, illustrating the execution flow with diagrams, and clarifying how invokers are selected and balanced in a distributed Java RPC framework.

BackendClusterDubbo
0 likes · 8 min read
Dubbo Cluster Fault Tolerance: A Source Code Walkthrough
Qunar Tech Salon
Qunar Tech Salon
Sep 25, 2017 · Big Data

Comprehensive Guide to Spark Ecosystem: Data Warehouse, Machine Learning, Streaming, and Enterprise Use Cases

This article provides an extensive overview of Apache Spark’s ecosystem—including its data‑warehouse capabilities, ML/MLlib libraries, streaming with Spark Streaming, external frameworks, and real‑world enterprise case studies—while also noting a promotional announcement for a React Native conference.

Big DataData WarehouseHive
0 likes · 21 min read
Comprehensive Guide to Spark Ecosystem: Data Warehouse, Machine Learning, Streaming, and Enterprise Use Cases
MaGe Linux Operations
MaGe Linux Operations
Sep 25, 2017 · Operations

How to Become a Successful Operations Manager: Skills, Tools & Strategies

This article outlines the career paths, essential skills, comprehensive toolsets, infrastructure design, security measures, and management practices required to transition from a Linux engineer to an effective operations manager responsible for high‑availability, scalable, and secure IT services.

IT infrastructureoperationsops management
0 likes · 24 min read
How to Become a Successful Operations Manager: Skills, Tools & Strategies
dbaplus Community
dbaplus Community
Sep 24, 2017 · Databases

Why Splitting a Giant SQL Query Cut Report Time by 6 Seconds

In a high‑pressure performance‑optimization project, a team dissected a massive, multi‑with‑clause SQL report into smaller temporary‑table queries, applied dimensional modeling, and achieved a 6‑second runtime reduction while handling complex reporting requirements across regions, contractors, and milestones.

Data WarehouseQuery RefactoringSQL
0 likes · 10 min read
Why Splitting a Giant SQL Query Cut Report Time by 6 Seconds
DevOps
DevOps
Sep 24, 2017 · Operations

DevOps as a Lean, Artifact‑Centric Process: Principles, Value‑Stream Mapping, and Measurement

The article explains how DevOps applies lean principles to integrate IT operations and software development, describes artifact‑centric workflows, introduces value‑stream mapping and flow measurements, and shows how these practices enable continuous delivery, feedback loops, and systematic improvement across the enterprise.

Continuous DeliveryDevOpsProcess Measurement
0 likes · 19 min read
DevOps as a Lean, Artifact‑Centric Process: Principles, Value‑Stream Mapping, and Measurement