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145983 articles · Page 7226 of 7300
High Availability Architecture
High Availability Architecture
Aug 24, 2015 · Backend Development

Design and Performance Considerations of 360's Long‑Connection Push System Using Go

This article details the architecture, key performance metrics, and optimization strategies of 360’s high‑availability long‑connection push system built with Go, covering connection capacity, memory usage, throughput, deployment components, client SDK considerations, and operational challenges such as GC pauses and load balancing.

GoPush Systemlong-connection
0 likes · 24 min read
Design and Performance Considerations of 360's Long‑Connection Push System Using Go
Qunar Tech Salon
Qunar Tech Salon
Aug 24, 2015 · Databases

Choosing the Right NoSQL Database for Your Application: Use Cases and Recommendations

This article surveys major NoSQL data models—including document, graph, relational, object, key‑value, BigTable‑type, data‑structure, and grid databases—and provides practical guidance on selecting the most suitable database for various application requirements such as scalability, consistency, transaction support, and data complexity.

Data ModelingNoSQLdatabase selection
0 likes · 11 min read
Choosing the Right NoSQL Database for Your Application: Use Cases and Recommendations
21CTO
21CTO
Aug 24, 2015 · Frontend Development

Boost Web Performance: 8 Proven Front‑End Optimization Techniques

This guide presents eight practical front‑end optimization methods—including browser choice, static page serving, request reduction, CDN usage, client‑side caching, and server configuration—that can significantly improve user experience and page load speed.

CDNFrontendOptimization
0 likes · 6 min read
Boost Web Performance: 8 Proven Front‑End Optimization Techniques
21CTO
21CTO
Aug 24, 2015 · Fundamentals

Why Mastering Fundamentals Is the Key to Becoming an Outstanding Programmer

The article argues that deep mastery of programming fundamentals, guided by classic textbooks and a focused career path, is essential for long‑term success, and it explains how personal branding, positioning, and promotion amplify a developer's professional impact.

Learning ResourcesProgramming FundamentalsSoftware Engineering
0 likes · 10 min read
Why Mastering Fundamentals Is the Key to Becoming an Outstanding Programmer
21CTO
21CTO
Aug 24, 2015 · Fundamentals

5 Toxic Code Comment Types Every Developer Should Eliminate

This article explains five common types of programming comments that hinder readability—such as self‑promoting tags, outdated code blocks, redundant explanations, irrelevant stories, and lingering TODOs—and offers practical advice on how to avoid them.

Programming Fundamentalsbest practicescode comments
0 likes · 7 min read
5 Toxic Code Comment Types Every Developer Should Eliminate
21CTO
21CTO
Aug 24, 2015 · Databases

Mastering Distributed Consistency: Strategies Behind NoSQL Replication

This article systematically explores the distributed characteristics of NoSQL databases, covering consistency trade‑offs, replication techniques, anti‑entropy protocols, data placement strategies, failure detection, and coordinator election, while illustrating each concept with diagrams and practical examples.

Anti-entropyNoSQLconsistency
0 likes · 32 min read
Mastering Distributed Consistency: Strategies Behind NoSQL Replication
WeChat Client Technology Team
WeChat Client Technology Team
Aug 24, 2015 · Databases

How We Boosted SQLite Chat Performance: Fragment Caching, Table Splitting, and Index Refactoring

This article details a multi‑stage performance overhaul of a large‑scale chat application's SQLite database, covering trace‑based I/O analysis, view caching with Fragments, table‑splitting experiments, index size reduction, and the development of a PageTracer tool to quantify page‑level gains.

AndroidFragmentPageTracer
0 likes · 21 min read
How We Boosted SQLite Chat Performance: Fragment Caching, Table Splitting, and Index Refactoring
Efficient Ops
Efficient Ops
Aug 23, 2015 · Cloud Computing

Global Cloud Computing Market: Trends, Policies, and Data Privacy Challenges

This article examines the rapid growth of the global cloud computing market, compares regional developments in the United States, Europe, and Japan, and analyzes the differing regulatory approaches and cross‑border data privacy issues that shape the industry worldwide.

Market AnalysisRegulationdata privacy
0 likes · 13 min read
Global Cloud Computing Market: Trends, Policies, and Data Privacy Challenges
21CTO
21CTO
Aug 23, 2015 · Fundamentals

Why Engineers Should Be Project Partners, Not Just Code Monkeys

The article reflects on an engineer's experience updating a signature system, highlighting the pitfalls of quick patches, the importance of requirement analysis, resource testing, realistic time estimation, and proactive communication, and advocates for a refactor to improve maintainability and role perception.

Code RefactoringProject ManagementSoftware Engineering
0 likes · 8 min read
Why Engineers Should Be Project Partners, Not Just Code Monkeys
21CTO
21CTO
Aug 23, 2015 · Backend Development

How to Enable HTTP/2 in Nginx with the Early Alpha Patch – Step‑by‑Step Guide

This guide explains how to apply Nginx's early‑alpha HTTP/2 patch, covering required source versions, OpenSSL/LibreSSL preparation, patch application, configuration flags, compilation, and enabling HTTP/2 in the server block, while noting the patch's production limitations.

ConfigurationNginxSSL
0 likes · 4 min read
How to Enable HTTP/2 in Nginx with the Early Alpha Patch – Step‑by‑Step Guide
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
Aug 22, 2015 · Big Data

Leveraging Bitmap for High‑Performance Multi‑Dimensional Analytics in Big Data

This article explains how bitmap data structures, combined with compression and in‑memory techniques, enable fast, flexible, and scalable multi‑dimensional analytics for large‑scale data platforms, addressing historical marketing inefficiencies and outlining future directions such as memory‑mapped files and distributed bitmap computation.

BitmapDistributed ComputingMulti-dimensional Analytics
0 likes · 19 min read
Leveraging Bitmap for High‑Performance Multi‑Dimensional Analytics in Big Data
21CTO
21CTO
Aug 21, 2015 · Artificial Intelligence

How Quora Leverages Machine Learning for Ranking, Personalization, and Moderation

Quora employs a variety of machine‑learning techniques—from ranking and personalized feed algorithms to duplicate‑question detection, user expertise inference, and content moderation—optimizing both user experience and content quality through offline testing, online A/B experiments, and models such as logistic regression, gradient‑boosted trees, and neural networks.

Rankingmoderationpersonalization
0 likes · 11 min read
How Quora Leverages Machine Learning for Ranking, Personalization, and Moderation
21CTO
21CTO
Aug 21, 2015 · Fundamentals

Mastering Scalable Architecture: Modular Design, High Cohesion, and Evolution

This article shares practical guidelines for building a robust, modular software architecture—emphasizing strong module support, high cohesion with low coupling, embracing change through evolution, and designing scalable, extensible systems—while illustrating how tools like Git, Maven, and micro‑service frameworks can improve developer productivity and system resilience.

DevOpsModular Designsoftware architecture
0 likes · 12 min read
Mastering Scalable Architecture: Modular Design, High Cohesion, and Evolution
21CTO
21CTO
Aug 21, 2015 · Artificial Intelligence

How Facebook Scales Recommendations with Distributed Machine Learning and Giraph

This article explains how Facebook tackles massive recommendation data—over 100 billion ratings—by using distributed collaborative filtering, matrix factorization, SGD/ALS hybrid algorithms, and a novel work‑to‑work communication scheme built on Apache Giraph to achieve high performance and scalability.

ALSApache GiraphCollaborative Filtering
0 likes · 9 min read
How Facebook Scales Recommendations with Distributed Machine Learning and Giraph