This article introduces Ansible’s agent‑less architecture, explains its reliance on SSH and Python, and demonstrates common copy, command, and backup tasks through clear command‑line examples for remote hosts.
This article demonstrates how to employ Ansible, a Python‑based SSH automation framework, to create a user with a home directory on multiple remote servers, verify the creation, and then remove the user and its home directory in a batch operation.
This article demonstrates two Python‑based solutions for automatically replacing placeholders in a Word document with data from an Excel sheet—one using python‑docx (with win32com conversion for .doc files) and another leveraging the zipfile module to edit the underlying XML—complete with code, troubleshooting tips, and handling of formatting issues.
This article introduces a Python 2.7 script that automates the creation of iOS and Android app icons and screenshots, detailing required environments, usage commands, code explanation, and platform-specific considerations such as icon sizes, rounding for Android, and handling of portrait and landscape images.
This tutorial explains how to build a high‑performance Minesweeper bot in Python by capturing the game window, segmenting the board into 16×16 pixel cells, recognizing each cell’s state via OpenCV color analysis, and applying a simple logical algorithm to flag mines and click safe squares.
The author recounts how feeling stuck in API testing led to exploring full‑chain load testing, switching jobs to focus on high‑scale performance engineering, adopting Go and new frameworks, and setting ten‑fold goals that transformed career stagnation into rapid professional growth.
This document provides a comprehensive technical overview of Elasticsearch, comparing it with Solr and ClickHouse, detailing common operational pain points and configuration solutions, describing containerized and ECK deployments, and outlining a company‑wide automation platform for cluster provisioning, monitoring, index and security management, with future directions for lifecycle and backup strategies.
This article demonstrates how to use a Python script to perform a brute‑force attack against the DVWA login page by sending HTTP GET requests with custom headers and payloads, iterating over username and password dictionaries, recording response status, content length, and saving results to CSV or TXT files.
This guide explains how to use Selenium to automate testing of Electron desktop applications on macOS, covering ChromeDriver selection, Electron project creation, packaging into a DMG, writing Python test scripts, and controlling already‑running apps via remote debugging.
This guide explains how to set up an Enterprise WeChat alert application, obtain the required corpid and secret, and use a Python script with WeChat Work APIs to send real‑time notification messages to all users on mobile devices.
This article details Ctrip’s mini‑program collaborative development process, covering modular repository management, automated CI pipelines using GitLab and miniprogram‑ci, and continuous delivery via the MCD platform, illustrating how these practices streamline code integration, testing, packaging, and release for dozens of business lines.
This article provides a Python script that uses the itchat and schedule libraries to automatically log in to WeChat, select friends with remarks, and send randomly chosen New Year greeting messages to each contact at a specified date and time.
This article explains what a distributed database ecosystem is, using TiDB as a case study to detail upstream/downstream tools, backup and monitoring solutions, automation platforms, and emerging projects that together form a comprehensive TiDB ecosystem.
The article outlines the four progressive stages of test left‑shift in DevOps—small batch testing, follow‑up testing, test‑first approach, and trunk testing—explains their characteristics, challenges in sustaining them, and why excessive reliance on end‑to‑end automation can become counterproductive.
This guide explains how to keep Swagger annotations in sync with Yapi by generating a swagger.json file, exposing it via Nginx, and configuring Yapi’s automatic import, so that API documentation updates automatically after each code change without manual effort.
This guide introduces game automation testing, explaining its benefits and limitations, outlining when it is appropriate, and providing a detailed two‑part tutorial on building an automated testing framework—including outer process setup, server and client components, and using third‑party tools like Airtest.
This guide walks you through installing Multipass, launching Ubuntu virtual machines, managing them with commands, and automating setup via cloud‑init, providing a lightweight, cross‑platform solution for developers and ops engineers.
This article explains DevOps by tracing its 2008 origins, summarizing evolving wiki definitions, outlining the business drivers behind its popularity, detailing its three core principles—flow, feedback, and continuous learning—and providing concrete technical practices, organizational patterns, and key takeaways for effective adoption.
This guide shows how to configure IntelliJ IDEA to automatically insert class and method Javadoc comments using file and code templates and live templates, including custom Groovy scripts for @author, @date, @param, and @return annotations.
This guide walks developers through installing Apifox, importing API specifications, designing and debugging endpoints, configuring environments, creating custom scripts, and generating realistic mock data, demonstrating how the all‑in‑one platform can replace Postman, Swagger, JMeter and other tools for comprehensive API documentation, testing, and automation.
The article outlines strategic thinking for DevOps product planning, emphasizing open‑source logic, automation installation, high‑availability design, hybrid‑cloud bridge gateways, and the shift from raw resources to declarative service consumption in cloud‑native environments.
This guide explains how to automate common Linux tasks such as boot‑time service startup, one‑off scheduling with at, and recurring jobs with crontab, covering runlevel management, rc.d editing, command syntax, and integrating shell scripts for efficient system operations.
This guide demonstrates how to automate the installation, configuration, and service management of Nginx across multiple hosts using Ansible roles, detailing environment setup, directory structure, task definitions, and execution commands.
This article examines the challenges of traditional API automation testing and presents an intelligent testing approach that combines data and algorithms to optimize the entire API test lifecycle, improving efficiency, maintainability, and quality through automated case generation, execution, analysis, and evaluation.
This article demonstrates how to use Python and pandas to automatically add a column containing each workbook or sheet name to every sheet in multiple Excel files and then merge all the data into a single file, dramatically reducing manual effort.
The article explains the importance of responsive web design for mobile users, outlines various mobile web testing approaches—including Chrome DevTools, simulators, real devices, and cloud‑based automation—and highlights how these strategies ensure consistent, high‑quality user experiences across diverse devices and network conditions.
The article shares a senior DBA's journey from early database engine development to modern MySQL operations, outlining practical methods for improving efficiency, automating monitoring, building data‑driven processes, and redefining the DBA role for proactive, high‑impact service delivery.
The article shares the author’s journey from early database development at DM6/DM7 through MySQL operations at Qunar, offering practical advice on demand‑driven implementation, data‑driven management, intelligent alerting, full‑log analysis, slow‑query risk modeling, high‑availability, and automation to transform traditional DBA work into a proactive, efficient New DBA role.
This guide walks you through analyzing a target e‑commerce site, using Selenium to automate searches, extracting product details across multiple pages, handling pagination, parsing HTML with PyQuery, and persisting the collected data into a MySQL database with robust error handling.
The article explains how to keep external API contracts unchanged while replacing a data source by importing all microservice endpoints into Postman, writing pre‑request and test scripts, and optionally using a Python Flask service with deepdiff to automatically compare old and new JSON responses.
The article chronicles Laiye Technology’s journey from early manual on‑premises deployments to a fully automated, Kubernetes‑based private deployment platform, detailing the challenges faced, the incremental optimizations introduced, and the current standardized tools that now serve hundreds of enterprise customers.
This guide walks you through downloading the Roamer tool, using it to scrape and batch‑export your CSDN articles, handling cookies via cURL, and converting the exported HTML files to clean Markdown with a Node.js service, all with step‑by‑step screenshots.
This article explains why and how to convert Jenkins Freestyle projects to Pipeline jobs, covering trigger mechanisms, global and repository configurations, shell build steps, and a complete scripted pipeline example that automates building, testing, reporting, and email notifications.
This guide explains how to use Apifox for API automation, covering parameter extraction, external data sources, assertions, environment switching, and batch testing to build maintainable, efficient test suites for backend services.
This tutorial shows how to extract Kindle eBooks, convert them to HTML, clean the markup with BeautifulSoup, and batch‑translate the content line‑by‑line using DeepL API Pro, producing a bilingual eBook with minimal manual effort.
This article describes the design and implementation of a cloud‑native automated web‑page recording system for Douyu advertising, covering the problem background, technology stack, end‑to‑end workflow, Chrome extension tricks, containerization with Docker, database handling, and deployment on Kubernetes, enabling scalable, hands‑free video capture and delivery.
This tutorial demonstrates how to use Selenium to crawl short comments from a Douban movie page, extract them via XPath, paginate through results, and finally create a visual word cloud using Python's wordcloud library.
This tutorial walks you through installing the itchat Python library, logging into WeChat, searching friends, sending messages, registering message handlers for text, images and recordings, storing media files, and capturing withdrawn messages, all with clear code examples and screenshots.
This article details ByteDance Quality Lab’s SmartUnit system, which intelligently generates and validates backend unit tests using AST analysis, genetic algorithms, and instrumentation, achieving automated test creation, high coverage, precise assertions, and seamless CI integration while addressing the high cost and complexity of traditional unit testing.
In this panel discussion, three seasoned operations leaders share how traditional IT operations evolve into cloud‑native practices, covering continuous iteration, container‑based automation, DevOps collaboration, observability, chaos engineering, and the strategic balance between specialization and versatility for modern SRE teams.
This article explains how to automate the replacement of Excel row data into Word templates using Python, offering two approaches—one with python-docx and win32com for .doc conversion, and another leveraging zipfile to edit the underlying XML—complete with code examples and troubleshooting tips.
This article explains how to use mysqldump for various MySQL backup scenarios, provides command‑line examples for full, structure‑only, and selective backups, shows how to restore dumps, and demonstrates a Bash script combined with crontab to automate daily backups with retention management.
This guide explains how to set up a GitHub Actions workflow that automatically fetches the latest blog posts via RSS and updates the special README.md of a same‑named GitHub profile repository, using scheduled runs and repository_dispatch events triggered by a curl command.
This article reviews the 13‑year evolution of Ant Group's registration center, analyzes the scaling and reliability challenges of multi‑cluster service discovery, and explains how the SOFARegistry 6.0 redesign—featuring meta‑driven consistency, slot‑based sharding, application‑level discovery, chaos testing, and automated operations—addresses those challenges while preparing the project for open‑source community growth.
This guide walks you through creating a Node.js tool that automatically generates chat screenshots with customizable themes, avatars, and text, complete with code snippets, size calculations, drawing functions, and integration into workflow tools like Alfred and macOS Shortcuts for instant clipboard copying.
This article demonstrates how to use Python's Selenium WebDriver to log into Alibaba International, scrape company contact information across multiple pages, save the data to CSV, download product images, and embed them into an Excel file, providing a complete automation workflow.
This guide demonstrates how to use Python on macOS to scrape love quotes, store them, and automatically launch QQ to send a random quote each day, including code snippets and steps to set up an Automator app for startup execution.
The article outlines the background, mission, technical choices, and comprehensive features of the Tianyan Quality Platform—an internal testing solution built with Vue and Spring Boot that streamlines API automation, environment management, and DevOps integration across multiple business lines.
The article outlines twenty‑four essential capabilities—including version control, automated deployment, continuous integration, trunk‑based development, test automation, lean management, and cultural practices—that together drive high‑performance software delivery and organizational effectiveness.
Qunar’s DBA team overhauled their MySQL monitoring and alert system—originally built on Nagios and NRPE—by integrating a Kafka‑based pipeline, a custom alarm service, and MySQL‑stored alert templates, achieving flexible thresholds, granular silencing, high‑availability processing, and early‑stage intelligent management of alerts, slow queries, and disk space.
This tutorial walks through creating a Windows‑10 Python script that captures the 4399 mini‑game “Pet Link‑Match Classic 2”, identifies icons via image processing, builds a matrix, finds connectable pairs with a path‑finding algorithm, and simulates mouse clicks to automatically clear the board.
This tutorial shows how to use Python's pyautogui and APScheduler libraries to automatically open WeChat, locate the chat window, type a message, and send it precisely at midnight, providing a practical example of desktop automation and scheduled tasks.
This tutorial demonstrates how to analyze an e‑commerce search page, use Selenium to automate browsing, extract product details across multiple pages, and store the collected data into a MySQL database, providing complete Python code and step‑by‑step explanations.
This article walks you through six Python methods—including two newly added approaches—to automatically combine all sheets from every Excel file in nested folders, saving hours of manual copy‑paste and reducing errors for data‑processing tasks.
This document outlines a comprehensive software testing plan covering project overview, test preparation, detailed strategies for unit, interface, functional, UI, UAT, and performance testing, along with scheduling, common standards, and checklist guidelines to ensure quality and risk mitigation.
This article explains how to use Python's pandas, os, and glob libraries to automatically locate, read, and concatenate all sheets from multiple Excel workbooks across nested folders, offering four concise code solutions, visual results, and practical tips for reliable batch merging.
This guide explains why and how to change HTTP request headers during Selenium WebDriver automation, covering three practical approaches—using REST‑Assured, employing a BrowserMob proxy, and configuring a Firefox extension—complete with code examples and step‑by‑step instructions.
This guide explains Jira's planning and tracking features, provides step‑by‑step instructions for installing the Data Center version, details initial configuration, demonstrates project and module creation, and shows how to integrate Jira with Jenkins and GitLab for automated CI/CD workflows.
This article examines Baidu's Tekes platform—its evolution from automated component publishing to a full‑stack mobile DevOps service—detailing its architecture, workflow engine, event‑driven pipeline, and how it boosts development efficiency across hundreds of repositories and product lines.
This article explains how the Apollo testing framework was redesigned to enable scenario‑based API testing, reduce case creation and maintenance costs, improve quality checks, and support advanced features like traffic replay, ultimately enhancing automation efficiency for large‑scale business services.
This tutorial explains how to create a Python Selenium script that automatically opens Taobao, logs in via QR code, navigates to the shopping cart, waits for a preset flash‑sale time, selects all items, and completes the checkout process.
The article explains test orchestration as a coordinated, automated testing workflow that enhances software quality and delivery speed by eliminating manual errors, integrating with CI/CD pipelines, and leveraging tools such as Ansible, Jenkins, and Kubernetes to streamline testing processes across DevOps environments.
The article describes an intelligent grading and risk‑assessment framework for commercial platforms that unifies process control, feature mining, data collection, storage, strategy management, and annotation, enabling automated testing conversion with 94% accuracy, 90% recall, 8% conversion uplift, and surfacing dozens of bugs while supporting scalable, configurable deployment.
This article explains how to use the mysqldump command to back up MySQL databases, provides various command examples for full or partial backups, demonstrates a Bash script for automated daily backups with log management, and shows how to schedule these tasks using crontab.
This article presents a detailed case study of the "Hummingbird" DevOps platform built by Zhongtai Securities' R&D team, describing its background, architecture, CI/CD pipeline, integration with tools like JIRA, container management, automated testing, monitoring, and the measurable efficiency gains achieved across development, testing, and production.
This article introduces the role of shell scripts in automating system operations, presents a free 70‑page practical handbook covering fundamentals to advanced topics, and offers 100 ready‑to‑run script examples ranging from basic hello‑world to complex monitoring and deployment tasks, helping readers quickly boost their scripting skills.
An AI‑driven image‑recognition system using TensorFlow Lite cameras on checkout scales replaces barcode PLU lookup with hierarchical product categories, caches offline selections for incremental model updates, and delivers instant, offline‑capable identification, dramatically speeding fresh produce checkout, cutting labor costs, and offering a reusable framework for other retail sectors.
This article describes Alipay’s client‑side high‑availability strategy that combines offline risk mining, function‑interface “minesweeping”, RPC/config/jsapi checks, and automated fuzz testing on Android and iOS to detect and eliminate crash‑inducing bugs before release.
This tutorial walks Java developers through the fundamentals of Linux shell scripting, covering how to create and run scripts, check and set the default shell, manage permissions, define and manipulate variables, and implement flow‑control constructs such as if/else, case, for, and while loops with practical code examples.
This guide walks you through using Postman to automate API testing, covering result validation, batch execution, variable handling, environment management, and dependency resolution with practical JavaScript snippets and step‑by‑step instructions.
This article outlines the essential categories of DevOps tools—from planning and issue tracking to source control, build, test, CI/CD, configuration management, cloud platforms, container orchestration, monitoring, communication, and knowledge sharing—explaining why each is vital and listing popular examples for teams seeking efficient delivery pipelines.
Learn how to transform Postman's often‑overlooked features into a powerful automated API testing workflow, covering result validation, batch collections, data‑driven testing, scheduled monitors, variable handling, request dependencies, and custom scripting to boost efficiency and reliability for developers.
This tutorial shows how to use Python's Pillow library to automatically split any image into nine equal tiles with a concise script, explaining the calculations, code structure, and resulting output files, making image tiling easy for developers.
The article examines how AI-driven tools are reshaping DevOps practices, introducing concepts like AIOps and NoOps, evaluating their impact on development speed, quality, and the evolving role of engineers, and ultimately questioning whether AI will replace traditional DevOps personnel.
This article explains how to use Python and the openpyxl library to automatically locate rows where column A equals 10 (representing 10 am) across multiple Excel files, presents two practical solutions, and provides complete code snippets and screenshots for easy implementation.
This guide explains what ZZNohost is, why it is used, and provides step‑by‑step instructions—including account setup, environment creation, whistle configuration, mobile proxy capture, UI automation integration with code examples, and platform‑level usage in Jarvis and WatchDog—to streamline multi‑environment testing and debugging.
Gartner’s 2022 strategic technology trends highlight the rise of generative AI, data fabric, distributed enterprises, cloud‑native platforms, autonomic systems, decision intelligence, composable applications, hyperautomation, privacy‑enhancing computation, cybersecurity mesh, AI engineering and total experience as key drivers for growth and resilience in modern enterprises.
This article shares a real-world low-code implementation story, analyzes where low-code excels and fails, and offers five practical strategies for technical leaders to navigate efficiency gains, workforce impacts, and future-proof their development teams.
The article explains the critical differences between traditional test automation and continuous testing, detailing how continuous testing, integration, delivery, and deployment enhance software quality, speed, and team efficiency within a DevOps environment.
Gartner's 2022 report outlines twelve strategic technology trends—ranging from generative AI and data fabric to cloud‑native platforms, autonomous systems, decision intelligence, composable applications, hyper‑automation, privacy‑enhancing computation, cybersecurity mesh, AI engineering, and total experience—highlighting how data and intelligence will drive enterprise transformation over the next decade.
This article details Dada's journey from identifying costly business‑configuration pain points to designing and deploying an automated configuration center that isolates business settings, improves system stability, enhances robustness, accelerates development, secures data, and delivers measurable performance gains.
This article introduces a cloud‑based mobile testing platform, detailing its architecture, implementation with Spring Boot and Appium, and real‑world applications in compliance verification and online inspection, highlighting how AI integration and automated workflows dramatically improve testing efficiency and product quality.
This article outlines a comprehensive approach to handling call‑center incidents, covering common troubleshooting steps, proactive monitoring enhancements, well‑structured emergency plans, and intelligent event‑driven automation to reduce downtime and improve operational efficiency.
This guide presents twenty practical Linux command‑line shortcuts—including tab completion, directory navigation, command chaining, history search, log monitoring, and alias usage—that help both beginners and seasoned users work faster, avoid common pitfalls, and boost overall terminal efficiency.
This guide walks through Postman's advanced features—including response assertions, sandbox scripting, UI testing, request methods, cookie handling, authentication, collection organization, variable management, command‑line execution with Newman, and exporting test scripts to Python and Java for data‑driven API testing—providing step‑by‑step examples and screenshots.
This article explains how to import Swagger API documentation into a testing platform database, perform version control and diff using zjsonpatch, and seamlessly connect the documented APIs with automated test cases to improve efficiency for front‑end, back‑end, and QA teams.
The article summarizes major insights from three recent DevOps studies—Puppet's 2021 State of DevOps, the DevOps Institute's 2020 Upskilling Report, and Google DORA's 2021 Report—highlighting the roles of automation, cloud adoption, culture, documentation quality, and performance metrics in successful DevOps transformations.
This article examines the challenges faced by documentation engineers, proposes a documentation‑centric workflow, outlines key elements such as edit‑publish separation, automation, formalization, open collaboration, and versioning, and suggests metrics and practices to measure and improve the overall developer experience.
The initiative introduces fault‑drill and chaos‑engineering practices—defining steady‑state metrics, injecting real‑world failures in controlled experiments, automating continuous production tests, and limiting blast radius—to detect weaknesses early, accelerate fault location and recovery, boost emergency response metrics, and foster a resilient engineering culture.
The article explains why cross‑browser testing is essential for modern web applications, outlines the major challenges such as automation complexity, infrastructure maintenance, and browser version proliferation, and proposes practical solutions including tool selection, cloud‑based platforms, and prioritized testing strategies.
This guide walks you through using mysqldump to back up MySQL databases, restoring backups, and creating a Bash script with crontab to automate daily backups while retaining only the most recent 31 days of dump files.
This article presents a curated set of 140 software testing interview questions covering topics such as API testing, automation frameworks, performance testing, CI/CD, database operations, Selenium, mobile testing, and related concepts, offering valuable preparation material for candidates.
This article explains the various stages of a CI/CD pipeline, detailing the roles, processes, and tools involved in continuous integration, testing, building, deployment, and monitoring, and highlights why such pipelines are essential for fast, scalable software delivery in modern organizations.
This article explains how the GoGoCode AST‑based tool can automatically transform large Vue2 codebases to Vue3 by applying a set of around thirty migration rules, covering async components, custom directives, router and Vuex changes, and provides installation, usage examples, and a comprehensive rule table.
This guide explains how kubectl interacts with the Kubernetes API, walks through command‑completion setup, custom column output, multi‑cluster and namespace switching, and shows how to extend kubectl with plugins such as kubectx, krew, and custom scripts, boosting productivity for cloud‑native workflows.
The article explains the problems of manual cloud resource provisioning, introduces Terraform's Infrastructure as Code approach, describes a company-specific workflow using a front‑end request portal, GitOps, and Mobius automation, and outlines how to import existing resources and perform bulk exports with Terraformer.
This article examines the challenges of exploding microservice counts, rising infrastructure costs, and complex topologies, and details a cloud‑native, service‑decoupled DevOps infrastructure that uses standardization, declarative provisioning, intelligent automation, contract and diff testing, and a unified release engine to dramatically improve delivery efficiency and reliability.
This guide explains how to set up ADB on a Windows PC, connect an Android device, capture screenshots, and run a Python script that detects the game pieces and board in WeChat's Jump mini‑program to automatically perform jumps based on calculated distances.
This guide explains how to create a custom DingTalk robot using Python 3.7, covering webhook configuration, security signing, step‑by‑step setup in the PC client, and a complete code example for sending text messages.
The article shares a tester’s two‑year growth experience, illustrating how testing focus shifts from basic functional checks to comprehensive test plans that combine interface, data‑construction, mock, and debugging techniques for various backend, frontend, and full‑stack scenarios.
