All Articles

145967 articles · Page 7243 of 7299

Jul 1, 2015 · Mobile Development

Etsy’s Mobile Continuous Integration Practices to Improve Release Quality

Etsy’s engineering team applies continuous delivery principles to mobile development by enforcing main‑branch commits, automating environment setup, building on every push, providing daily internal builds, running functional tests on physical devices via a cloud service, maintaining a Jenkins‑driven dashboard, and requiring static analysis and code reviews to ensure high release quality.

Code ReviewDashboardJenkins

0 likes · 4 min read

Etsy’s Mobile Continuous Integration Practices to Improve Release Quality

MaGe Linux Operations

Jul 1, 2015 · Frontend Development

18 Proven Techniques to Supercharge Your Website’s Load Speed

This guide presents eighteen practical methods—including image optimization, GZip compression, server response improvements, browser caching, CDN usage, and script handling—to dramatically accelerate page loading, boost SEO rankings, and enhance overall user experience.

Frontend Performancegzip compressionpage speed

0 likes · 11 min read

18 Proven Techniques to Supercharge Your Website’s Load Speed

Java High-Performance Architecture

Jul 1, 2015 · Databases

How to Detect and Fix Table Fragmentation in MySQL for Better Performance

This article explains how to identify table and index fragmentation in MySQL using the Data_free column, and provides two effective repair methods—altering the table engine and running OPTIMIZE TABLE—while warning about resource consumption and recommending a monthly maintenance schedule.

ALTER TABLEMySQLindex optimization

0 likes · 2 min read

How to Detect and Fix Table Fragmentation in MySQL for Better Performance

Art of Distributed System Architecture Design

Jul 1, 2015 · Operations

An Introduction to Ansible: Installation, Basic Usage, and MySQL Replication with Playbooks

This article provides a comprehensive guide to Ansible, covering its purpose, installation via pip, ad‑hoc command usage, MySQL replication with the mysql_replication module, role‑based playbook structure, sample YAML files, execution output, and a comparison with other configuration‑management tools.

AnsibleAutomationDevOps

0 likes · 18 min read

An Introduction to Ansible: Installation, Basic Usage, and MySQL Replication with Playbooks

Efficient Ops

Jun 30, 2015 · Operations

Why Telecom Operators Must Rethink Their Move Away from Oracle (IOE)

This article examines the technical, managerial, and cost challenges telecom operators face when migrating from Oracle‑based IOE architectures to open‑source databases, offering practical insights, case studies, and recommendations for a successful transition.

IOE MigrationMySQLOracle

0 likes · 19 min read

Why Telecom Operators Must Rethink Their Move Away from Oracle (IOE)

Model Perspective

Jun 30, 2015 · Fundamentals

Unlocking Your Learning: How SOLO Theory Reveals Study Levels

The SOLO (Structure of the Observed Learning Outcome) taxonomy, created by J.B. Biggs, categorizes student understanding into five progressive levels—pre‑structural, unistructural, multistructural, relational, and extended abstract—offering a framework for both teacher assessment and self‑diagnosis to guide targeted learning improvement.

SOLO taxonomyeducational theorylearning assessment

0 likes · 3 min read

Unlocking Your Learning: How SOLO Theory Reveals Study Levels

Qunar Tech Salon

Jun 30, 2015 · Operations

Using syslog-ng with daemontools: Design Principles, Operation Modes, Installation, and Troubleshooting

This article explains the design principles, working mechanisms, installation steps, and common issues of syslog-ng and daemontools, showing how to configure syslog-ng for fine‑grained filtering, run it under daemontools supervision, and resolve a daemon restart loop.

Unixdaemontoolslogging

0 likes · 12 min read

Using syslog-ng with daemontools: Design Principles, Operation Modes, Installation, and Troubleshooting

Ctrip Technology

Jun 30, 2015 · Frontend Development

The Evolution of Responsive Design: Principles, Practices, and Implementation

This article explores the challenges of traditional responsive design across diverse mobile platforms, defines responsive design, outlines its advantages and pitfalls, and presents a comprehensive workflow—including product planning, UI/UX design, testing, development, and on‑demand resource loading—to achieve efficient, cross‑device web experiences.

FrontendWeb Developmentmedia queries

0 likes · 9 min read

The Evolution of Responsive Design: Principles, Practices, and Implementation

Ctrip Technology

Jun 30, 2015 · Backend Development

Ctrip Tech Gateway: Architecture and Decoupling Strategy for Mobile Services

The article describes Ctrip Tech's Gateway system, detailing its origin as a monolithic wireless service, the need for gradual decoupling, the implementation process for HTTP and TCP traffic, and the resulting features such as routing, isolation, rate limiting, circuit breaking, anti‑scraping, and monitoring.

DecouplingGatewaybackend

0 likes · 5 min read

Ctrip Tech Gateway: Architecture and Decoupling Strategy for Mobile Services

MaGe Linux Operations

Jun 30, 2015 · Fundamentals

Understanding Load Average: CPU Load vs Utilization and How to Optimize It

Load average measures the average number of processes waiting for CPU over 1, 5, and 15 minutes, differing from CPU utilization; this article explains the concepts, ideal values, illustrative analogies, and practical steps to assess and reduce server CPU load for better performance.

CPULoad AverageOperations

0 likes · 7 min read

Understanding Load Average: CPU Load vs Utilization and How to Optimize It

Java High-Performance Architecture

Jun 30, 2015 · Cloud Native

Master Docker Data Volumes: Sharing Data Between Containers and Hosts

This guide explains how Docker data volumes enable file‑system sharing between containers and the host, covering volume concepts, mounting host directories, and using --volumes‑from to share data across multiple containers, with practical command examples and visual illustrations.

Data VolumeDevOpsDocker

0 likes · 3 min read

Master Docker Data Volumes: Sharing Data Between Containers and Hosts

Art of Distributed System Architecture Design

Jun 30, 2015 · Operations

Facebook Data Center Operations: Scale, Serviceability, and Automated Fault Diagnosis

The article examines how Facebook’s massive data centers operate at scale, detailing server serviceability, automated fault‑diagnosis systems like CYBORG, staffing ratios, and the engineering practices that enable reliable service for billions of users worldwide.

AutomationData CenterFacebook

0 likes · 5 min read

Facebook Data Center Operations: Scale, Serviceability, and Automated Fault Diagnosis

Qunar Tech Salon

Jun 29, 2015 · Fundamentals

Understanding System Load Average and Its Interpretation

The article explains how Unix-like systems calculate load average using an exponentially damped weighted moving average, how the values reflect CPU and I/O contention on single- and multi‑CPU machines, and why different kernel implementations may count processes and threads differently, affecting performance monitoring.

LinuxLoad AverageScheduling

0 likes · 6 min read

Understanding System Load Average and Its Interpretation

Efficient Ops

Jun 29, 2015 · Operations

Inside Efficient Ops: Docker, Redis Cluster, and Container Resource Management

The article records a Q&A session from the Efficient Operations talk, where guest Peng Zhef of Mango TV discusses Docker, Redis Cluster, container resource controls, and related operational challenges, providing practical insights into Python/Flask development, pod scaling, and Linux cgroup tuning.

Container ManagementFlaskOperations

0 likes · 8 min read

Inside Efficient Ops: Docker, Redis Cluster, and Container Resource Management

Ctrip Technology

Jun 29, 2015 · Backend Development

Refactoring a High‑Concurrency Web Order System: Challenges and Solutions

The article discusses how to redesign a high‑traffic web order platform by addressing concurrency challenges, modularizing large systems, and reducing database load through caching, sharding, and eliminating costly transactions and joins.

Backend ArchitectureSystem Designdatabase optimization

0 likes · 3 min read

Refactoring a High‑Concurrency Web Order System: Challenges and Solutions

Ctrip Technology

Jun 29, 2015 · Artificial Intelligence

Bank Card Scanning and Recognition: Extending Support for Chinese Debit Cards

This article describes a project that enhances an open‑source card‑number scanning solution to recognize 19‑digit Chinese debit cards, addressing challenges such as black‑printed fonts, light‑colored embossed fonts, background filtering, single‑character OCR, and Luhn‑based checksum verification.

AlgorithmBank Card RecognitionOCR

0 likes · 6 min read

Bank Card Scanning and Recognition: Extending Support for Chinese Debit Cards

Practical DevOps Architecture

Jun 29, 2015 · Operations

Clearing Interface Configuration with the "clear configuration this" Command

This guide demonstrates how to use the "clear configuration this" command in interface view to remove all configurations from a network interface, restore default settings, and handle the resulting shutdown state, including example CLI steps and expected output.

CLIConfigurationclear command

0 likes · 2 min read

Clearing Interface Configuration with the "clear configuration this" Command

MaGe Linux Operations

Jun 29, 2015 · Fundamentals

Three Essential Git Practices Every Developer Should Follow

This article explains why version control is indispensable for software projects and offers three practical Git recommendations—track all artifacts, commit frequently with appropriate granularity, and write clear commit messages—to improve collaboration, maintainability, and deployment across development environments.

Gitcommit messagessoftware development

0 likes · 6 min read

Three Essential Git Practices Every Developer Should Follow

Java High-Performance Architecture

Jun 29, 2015 · Cloud Native

Add Nginx to Your Docker SSH Image and Access It from Outside

This guide walks through installing Nginx inside a Docker container that already runs an SSH server, creating a new image, and launching a container with both SSH (port 22) and HTTP (port 80) exposed so the Nginx welcome page can be accessed externally.

Imagessh

0 likes · 4 min read

Add Nginx to Your Docker SSH Image and Access It from Outside

Art of Distributed System Architecture Design

Jun 28, 2015 · Backend Development

Understanding RESTful Architecture: Origins, Core Concepts, and Common Pitfalls

The article explains the origin of RESTful architecture, defines its key concepts of resources, representations, and state transfer, outlines how HTTP verbs map to operations, and highlights typical design mistakes such as verb‑laden URIs and versioning in the URI path.

APIDesign PatternsHTTP

0 likes · 9 min read

Understanding RESTful Architecture: Origins, Core Concepts, and Common Pitfalls