This guide explains Python’s built‑in isinstance() function, shows its basic syntax and usage—including single‑type, multiple‑type, and inheritance checks—and provides ten practical API‑testing scenarios with ready‑to‑run code examples.
This guide explains how to define, initialize, access, iterate, and modify Bash arrays, providing clear code examples and a practical case for checking installed packages, helping you write more efficient and readable shell scripts.
This guide explains how Watchtower can automatically monitor, pull, and restart Docker containers when their images are updated, covering basic usage, scheduling, cleanup options, and manual update commands to keep deployments up‑to‑date without manual intervention.
This article provides a step‑by‑step guide for PHP developers on installing Jenkins, creating a freestyle job, configuring source control, setting environment variables, writing build scripts, defining post‑build actions, and running the job to achieve automated packaging and deployment of PHP applications.
This guide outlines a structured approach to creating, maintaining, and scaling regression test suites, covering test selection criteria, step‑by‑step processes for identifying code changes, choosing relevant tests, balancing suite size, and handling execution results with automation and risk‑based prioritization.
This article shows how to use Python's pathlib and pandas to read multiple CSV files from a directory, concatenate them into a single dataset, and save the result as a new CSV, providing a quick solution for automating data merging tasks.
This article compares five popular Python automation testing frameworks—Robot Framework, Pytest, UnitTest, Behave, and Lettuce—detailing their prerequisites, strengths, weaknesses, and suitability for different testing scenarios to help developers choose the right tool for functional, unit, or behavior‑driven testing.
This article analyzes the risks of incorrect B‑end link configurations in fast‑moving business environments and presents a comprehensive protection framework—including system‑level design constraints, front‑end inspections, log‑based alerts, and UI automation—to ensure link accuracy, stability, and rapid issue resolution.
This article presents a thorough guide on modern code review, covering its importance, common obstacles, preparation steps, automation tools, good and bad commit messages, mindset, code quality principles, review workflow, and practical tips for overcoming challenges and improving team engineering culture.
This tutorial walks through building a self‑trained OCR pipeline that generates synthetic digit images, trains a CNN model, segments handwritten math expressions, predicts each character, evaluates the arithmetic result, and overlays checkmarks, crosses or answers onto the original image.
This article explains Linux directory permission fundamentals, demonstrates the classic chmod‑find command for bulk updates, and provides a complete Go program that recursively walks directories, checks and sets 755 permissions, highlighting cross‑platform, concurrent, and maintainable automation benefits.
This article chronicles the three‑year journey of building an enterprise‑grade CRM system—from early Excel‑based tracking through external SaaS attempts to a fully custom platform—detailing the business motivations, technical challenges, architectural decisions, and measurable outcomes such as higher GTV, reduced costs, and faster workflows.
This article describes how Agoda engineers tackled slow CI pipelines caused by exhaustive UI testing by implementing selective testing using code‑coverage data, JaCoCo, and a device farm, resulting in faster feedback, reduced flakiness, and more efficient integration for Android applications.
This article explains how Docker's new CLI tool docker init uses generative AI to automatically generate Dockerfiles, docker‑compose files, and .dockerignore for a project, walking through a Flask example, showing commands, generated code, and the benefits of faster, safer container setup.
This article explains MySQL events as built‑in schedulers, outlines their advantages, shows how to enable the event scheduler, create, view, modify, and drop events, and provides concrete examples for generating real‑time sales data and periodic statistics.
This article examines how large language models (LLMs) are being integrated into DevOps workflows, detailing practical implementations, organizational adoption, efficiency‑boosting techniques, underlying principles, limitations, and future directions for software engineers seeking to leverage AI as a reliable development partner.
This article demonstrates how to use Python's APScheduler to automate various WeChat subscription account tasks—such as publishing articles, sending group messages, analyzing data, clearing caches, and updating menus—through detailed code examples and scheduling configurations.
This guide explains the limitations of Ansible ad‑hoc commands, introduces the playbook‑play‑task hierarchy, demonstrates YAML syntax for playbooks, shows how to run and interpret playbook output, and covers host targeting, task parameters, and execution strategies for efficient automation.
This article details how to create iTaTools, a macOS app and Xcode Source Editor Extension that integrates ChatGPT via AIGC to generate code, UI, and documentation directly in Xcode, complete with implementation steps, Swift code samples, and plugin architecture.
This article presents a collection of useful Python scripts—including file sorting, empty‑folder removal, batch renaming, web‑scraping, bulk image downloading, form automation, and various text‑processing utilities—each accompanied by clear explanations and ready‑to‑run code examples.
Allure-Python is a reporting tool for Python test frameworks such as unittest, pytest, and nose, providing customizable, interactive HTML reports with support for decorators, steps, attachments, environment data, and advanced features to enhance test visibility and analysis.
This guide explains how to avoid interactive password prompts in Ansible by using Ansible Vault’s AES‑256 encryption, covering creation, viewing, editing, re‑keying, and best‑practice strategies for managing multiple vault IDs and credential passwords in automated workflows.
This article explains how to perform UI automation testing across various computer screen resolutions using Python, covering compatible frameworks like Selenium and Appium, writing resolution‑agnostic scripts, creating resolution matrices, dynamic resizing, visual verification, and integrating tests into CI pipelines.
Senior big data engineer Zhu Yaogai from HuoLala shares the team’s three‑year journey, detailing background challenges, the construction of a multi‑layer big‑data infrastructure, solutions for cost efficiency, operational automation, heterogeneous computing, and future plans, illustrating how high cost‑effectiveness, operational efficiency, and analytical performance drive their evolution.
This article provides a comprehensive guide on using Jenkins Pipeline to automate the deployment of Java backend projects, covering pipeline concepts, parameterized builds, code checkout, Maven compilation, JAR packaging, remote uploading, backup, update, and service restart procedures.
This article shows Python enthusiasts how a few lines of code can automate everyday tasks—from email handling and web scraping to file management and data processing—helping you work smarter, save time, and focus on higher‑level problems.
This article explains how to use Jenkins Pipeline to automate the deployment of a Java backend project, covering pipeline basics, parameterized builds, GitLab branch checkout, Maven compilation, JAR packaging, remote file transfer, backup, update, and service restart with Docker Swarm.
This article presents a collection of 17 practical Python scripts that automate tasks such as file management, web scraping, email handling, Excel processing, database interaction, system administration, image editing, and more, providing code examples and explanations to help developers and analysts improve productivity through automation.
The article explains how rapid digital transformation forces IT operations to shift from traditional, technology‑centric maintenance toward a business‑focused operations model, outlining the challenges, definitions, strategic benefits, practical steps, and organizational changes needed for successful adoption.
The article analyzes the concept of test left‑shift, outlining its theoretical benefits and drawbacks, sharing practical pain points from NetEase Cloud Music, and presenting a comprehensive pre‑, during‑, and post‑shift automation and monitoring strategy to improve software quality and delivery speed.
This tutorial explains how to build a Python‑based Minesweeper bot using OpenCV for image processing, win32gui for window handling, and a rule‑based solving algorithm, covering environment setup, window capture, block segmentation, block classification, and automated mouse actions.
jws-cli is a Python‑based, extensible one‑click information collection and scanning tool that automates subdomain discovery, CDN and WAF detection, port and C‑segment scanning, and integrates third‑party vulnerability scanners, offering visual reports and email delivery for rapid penetration testing workflows.
This article details a comprehensive, front‑and‑back‑end approach to cloud stability, covering system architecture across private and public clouds, micro‑frontend integration, CI/CD pipelines, SLB routing, health‑check configurations, monitoring dashboards, data reconciliation, UI automation testing, and the resulting improvements in observability, gray‑release, rollback, and incident reduction.
This article examines common obstacles that prevent developers from writing clean, high‑quality code—such as tight deadlines, shifting requirements, lack of motivation, poor teamwork, and technical debt—and offers practical strategies, tools, and real‑world examples to overcome them.
This article explains what GitHub Reusable Workflows are, outlines step‑by‑step how to create and invoke them across repositories, provides example YAML code, shares seven best‑practice recommendations, and compares them with Jenkins Shared Libraries to help teams improve CI/CD automation.
Learn how to create an SSH configuration file and two Bash scripts that let you run commands across multiple Ubuntu and Rocky Linux servers with a single command, eliminating repetitive manual SSH sessions and reducing error risk.
This article presents nine practical Python automation scenarios—including file management, web scraping, text processing, email handling, Excel manipulation, database interaction, social media posting, system task scheduling, and image editing—each accompanied by clear script examples and explanations to help readers streamline repetitive tasks efficiently.
This article explains the purpose and location of the PowerShell user profile script (Microsoft.PowerShell_profile.ps1), details its path components, outlines typical use cases such as environment customization, alias definition, and module loading, and provides a complete example with step‑by‑step explanations for Windows users.
GitHub Copilot’s full‑scale integration into Bash, PowerShell and Zsh introduces assistant aliases, instant command suggestions and explanations, dramatically boosting system administrators’ efficiency, reducing errors, and hinting at a broader AI‑driven transformation of the operations industry.
This article introduces eight Python libraries—including Optuna, ITMO_FS, shap‑hypetune, PyCaret, floWeaver, Gradio, Terality, and Torch‑Handle—that streamline data‑science tasks such as hyperparameter optimization, feature selection, model building, visualization, and deployment, helping users save coding time and improve productivity.
This article explains the fundamentals of DevOps pipelines, outlines the characteristics of an excellent pipeline model such as clear layering, high orchestrability, fan‑in/fan‑out support, and flexible execution conditions, and describes how cloud‑native pipeline models are upgraded with stage and atom concepts, DAG orchestration, YAML configuration, and practical UI operations.
This article demonstrates how to use Playwright to mock various API responses—including successful login, dynamic data, network latency, pagination, HTTP errors, redirects, authentication failures, custom headers, not‑found resources, and conditional responses—by defining route handlers that fulfill requests with custom status codes, bodies, and headers.
The article explains that platform engineering extends far beyond basic infrastructure, highlighting its core pillars such as automation, composability, agility, observability, and the essential role of collaboration and culture in creating value‑driven, cloud‑native software delivery.
The article explains DevOps as a cultural and technical practice that integrates development and operations, outlines its core principles such as automation, continuous delivery, and collaboration, and describes how cloud computing enhances DevOps through infrastructure automation, scalability, monitoring, and security to accelerate digital transformation.
This article details how Alipay's data engineering team applied Elon Musk's five‑step work method to completely refactor a decade‑old merchant billing system, reducing overall complexity by over 60%, improving timeliness by an hour, cutting storage and compute costs by a third, and dramatically lowering operational and maintenance burdens.
WeChat Pay’s team adopted Netflix‑style chaos engineering, building an automated, YAML‑driven fault‑injection platform that isolates experiments in multi‑zone partitions, enabling over 500 safe experiments in 2021‑2022, uncovering critical bugs across core services while maintaining five‑nine availability and zero production incidents.
This article walks through a five‑minute Python web‑scraping tutorial that fetches recipe pages, parses HTML with urllib and BeautifulSoup, extracts titles and images, and wraps the workflow into a simple console application for random meal selection.
This article explains how an operations platform can automate and streamline IT management by detailing its core value, essential components such as CMDB, monitoring, automation tools, ticketing, and analytics, and outlining implementation steps, technology choices, and advanced extensions like AI and DevOps integration.
This guide explains how to automatically collect all third‑party modules used in a Python project—by manually inspecting imports or using tools such as pipreqs, Poetry, or pipdeptree to generate a requirements.txt file—and provides a Python script for extracting the first‑line comments from each .py file and saving them to a text file.
This article explains the architectural distinctions between B/S and C/S models, compares cookies and sessions, outlines the purpose of testing, and provides practical test case designs for pens, triangles, shopping carts, databases, UI automation, weak‑network scenarios, and Python coding examples, offering a comprehensive guide for software testing fundamentals.
This article provides a comprehensive overview of IaaS, detailing its definition, core characteristics, underlying technologies such as virtualization and automation, and common use cases, while highlighting benefits like cost reduction, elasticity, high availability, and security in cloud environments.
A seasoned test developer shares a decade‑long journey, detailing the evolution from functional testing to test automation, the construction of a comprehensive quality assurance system, practical tools for repetitive problems, and personal reflections on perseverance, collaboration, and continuous learning.
The 2023 testing industry questionnaire, with roughly 850 respondents, reveals employment status, satisfaction scores, career change intentions, demographic distributions, salary trends, technical skill priorities, AI adoption rates, team structures, process bottlenecks, and forecasts for the coming year, offering a comprehensive view of the sector’s health and direction.
This article details Qunar.com's Redis automation operations system, covering background challenges, the high‑availability cluster architecture, resource management, automated deployment, various migration strategies, scaling mechanisms with RedisGate, inspection processes, and future AI‑driven enhancements.
This article provides a curated collection of Bash scripts that cover MySQL master‑slave replication monitoring, directory change detection with rsync, bulk user creation, website health checks, remote command execution across hosts, one‑click LNMP setup, server resource usage reporting, high‑CPU process identification, and automated deployment of Java (Tomcat) and PHP projects.
This guide walks operations engineers through ten practical SecureCRT techniques—including custom shortcut keys, bottom‑status bar buttons, timestamped logging, scroll‑back buffer tuning, session cloning, command search, auto‑login, file transfer, multi‑host commands, and anti‑idle settings—each with step‑by‑step configuration instructions and screenshots.
This article outlines the core responsibilities of IT operations, examines the current state and management goals, and provides a detailed roadmap for automating tasks such as server provisioning, environment definition, deployment, monitoring, and version release across multiple maturity stages.
This article explains how DevOps, through practices like CI/CD, automated testing, enhanced collaboration, infrastructure as code, continuous feedback, integrated security, and resource efficiency, can accelerate development, improve quality, boost security, and optimize resource utilization in modern software projects.
This guide explains how to use PHP‑CS‑Fixer together with VS Code to automatically format PHP code, enforce consistent coding standards, and improve readability, maintainability, and team collaboration across growing projects.
This article describes how a frontend developer built a lightweight Tauri desktop application in Rust to automatically watch and complete video‑learning courses, covering the problem background, technology selection, requirement analysis, Rust basics, Tauri project setup, frontend‑backend communication, screen‑color detection, mouse automation, permission configuration, CI/CD build, and final reflections.
McDonald's engineering team built a fast, reliable, and flexible continuous integration system by leveraging reusable GitHub Actions workflows, centralizing CI code, defining a golden‑path pipeline, balancing developer autonomy, and adding observability across multilingual microservices, improving productivity and maintainability.
This article details a year‑long white‑box cost governance practice at Kuaishou, covering data governance dimensions, engine auto‑tuning (HBO), compression algorithm migration, operator analysis, data‑warehouse metrics, duplicate‑computation reduction, chain‑depth simplification, automated routine governance, and the resulting performance and cost benefits.
This article explores three key ways large language models and multimodal generative AI can enhance robotic process automation, from cognition‑boosted RPA and AI‑Agent collaboration to visual‑intelligent navigation, illustrating practical examples and future prospects for smarter digital workers.
This article outlines the key technical and soft‑skill competencies—including programming, Linux, configuration management, infrastructure as code, CI/CD, networking, security, monitoring, and cloud services—that aspiring DevOps engineers need to master in order to effectively bridge development and operations.
This tutorial explains how to perform data‑driven testing by installing Playwright, reading test data from Excel with openpyxl, simulating user actions, and writing reusable unittest test cases that drive browser interactions based on external data.
This article outlines ten practical testing strategies, demonstrates how to implement the Page Object pattern with Playwright in Python, shows how to adapt to changing page elements, and provides guidance for writing robust test cases that handle boundary conditions, exceptions, and performance challenges.
This article introduces the popular 12306 ticket‑grabbing assistant, explains its history and features, provides step‑by‑step installation and configuration instructions—including required dependencies, proxy settings, and email notifications—and shows how to run the script to automatically secure train tickets during the Spring Festival travel rush.
This article explains how to use Playwright's expect methods to assert page URL, title, and element visibility, provides Python async code examples for common assertions, and lists the full set of locator‑based expect functions for comprehensive web testing.
JD’s Huamei platform leverages AI to automatically convert design mockups into usable front‑end code, streamlining UI reconstruction and business‑logic implementation, reducing repetitive work, and boosting development efficiency for financial app teams, while outlining its workflow, capabilities, limitations, and advanced features.
This article demonstrates how to verify a web page's title with Playwright and Selenium in Python, explains the underlying page.title() mechanism, and provides a comprehensive list of considerations and stability measures for reliable automated testing.
Command-line interfaces (CLI) offer a text‑based, efficient, and flexible way for developers and system administrators to interact with programs, explaining their importance, naming conventions, and widespread use in version control, cloud management, containerization, and automation, while highlighting their resource‑friendly advantages.
This article presents a comprehensive guide to automating audio testing in first‑person shooter games, covering common audio bugs, a step‑by‑step recording workflow, feature extraction techniques, similarity metrics, and practical toolchains such as Soundcard, fmedia, VBCable, and librosa.
This article presents 17 practical Python scripts covering file management, web scraping, email handling, Excel processing, database interaction, system tasks, image editing, and more, each with code examples and explanations, enabling developers and analysts to automate repetitive workflows and boost productivity across diverse domains.
An extensive overview of essential DevOps tools for 2024, covering categories such as version control, CI/CD, container orchestration, configuration management, infrastructure as code, monitoring, collaboration, artifact repositories, testing, security, deployment automation, serverless platforms, and database management to guide effective tool selection.
The article analyzes how quality assurance costs scale with product ambitions, compares small‑startup and large‑enterprise testing setups, and explains why automation and testing platforms require sustained investment that only pays off when aligned with business value and cost‑effectiveness.
The article examines why highly skilled test engineers are vulnerable during layoffs, highlighting the mismatch between technical prowess and business value, the importance of workplace networking, resource alignment, evolving testing roles, and current market trends such as platform decline, role consolidation, and growth in automotive testing.
This article explains how to install Ansible, use its basic playbook commands, structure a playbook, and leverage built‑in modules, register and when statements to fully automate Docker and Docker‑Compose deployment on CentOS systems.
The article describes a full‑platform automated test execution engine that replaces legacy offline‑script/Jenkins setups with a lightweight, visual, component‑based solution supporting low‑/zero‑code case creation, parallel execution, protected environment variables, dynamic placeholders, system‑method libraries, and extensible script and case workers for scalable, efficient testing.
This collection provides a curated list of technical articles covering performance testing strategies, bug case studies, web crawling implementations, UI automation techniques, UiAutomator usage, Selenium best practices, and mobile app performance monitoring, each with its original title and publication date.
This article details Volcano Engine DataLeap's comprehensive data governance system for e‑commerce platforms, covering the key challenges of SLA quality, model stability, cost control, and low efficiency, and presenting a five‑part framework that includes top‑level architecture, systematic stability and cost governance, tool‑driven automation, SLA assurance processes, and future outlooks.
This article explains how mid‑level and senior software test engineers are defined, highlights the career‑advancing value of certification, and presents a detailed testing skill map covering automation, performance, and security testing techniques and tools.
This article explains how to incorporate the SQLE SQL auditing tool into a DevOps workflow using GitLab, GitLab‑Runner, and Docker, detailing environment setup, CI/CD configuration, and automated scanning to ensure compliance and reduce production risks.
This article provides a curated set of Bash scripts covering MySQL replication monitoring, directory change detection, bulk user creation, website health checks, remote command execution, LNMP stack deployment, server resource reporting, high‑resource process identification, and automated deployment of Java and PHP projects, offering practical automation tools for system administrators.
The 21st GOPS Global Operations Conference in Shanghai featured Shenwan Hongyuan Securities' Yusi Song presenting an in‑depth look at automated operations, covering achievements, experience summaries, and future plans, with slide images and a downloadable PPT for attendees.
This article provides a thorough overview of DevOps, covering its emergence, the conflict between development and operations, core principles such as automation, continuous delivery and collaboration, and practical steps for cultural and technical adoption to improve software delivery.
This article introduces ten Python packages that automate exploratory data analysis, describing each tool’s features, providing concise code examples, and highlighting how they generate data summaries and visualizations with just a few lines of code.
This article explains the fundamentals of Robotic Process Automation (RPA), compares RPA with BPA and AI Agents, and provides a step‑by‑step tutorial for building and running an RPA robot using Robot Framework and the open‑source RPA Framework, including full code examples.
This article explains how to set up a web crawler using PHP and Selenium, covering installation of Selenium and its PHP bindings via Composer, configuring a Chrome WebDriver, simulating user actions to fetch news links, extracting titles and content, and storing results, with tips for further optimization.
The article outlines practical front‑end efficiency techniques—including VSCode snippets, Plop generators, json‑server mock APIs, component‑based business models, and low‑code tools—to achieve UI consistency, reduce boilerplate, and accelerate development across multiple projects.
This article demonstrates eight useful Python command‑line one‑liners that leverage the built‑in -m option to perform tasks such as port testing, launching a web server, formatting JSON, creating a simple editor, building executable packages, encoding/decoding data, retrieving system metadata, and compressing files, all without writing any source code.
This article introduces Scrapeasy, a Python library that enables one‑line web scraping, media extraction, and file downloading, and provides step‑by‑step code examples for installing the package, initializing websites, retrieving links, images, videos, and PDFs, making data collection fast and easy.
The article explains the design and functionality of an AI‑enhanced event intelligent analysis system that automates fault identification, analysis, and remediation in data‑center operations, detailing its architecture, integration with monitoring, CMDB, ITSM, big‑data platforms, and the AI techniques that enable automatic modeling, clustering, and knowledge‑base retrieval.
This comprehensive guide delves into DevOps architecture, explaining core concepts like continuous integration, delivery, and deployment, showcasing essential tools such as Jenkins, Docker, Kubernetes, and GitLab CI, and illustrating best practices and real‑world case studies from Netflix and Etsy to help teams accelerate, automate, and improve software delivery.
Explore 17 practical Python scripts that automate tasks ranging from file management and web scraping to email handling, database interaction, system monitoring, and cloud services, enabling developers and analysts to boost productivity, reduce errors, and streamline workflows across diverse domains.
The article analyzes common pain points in daily development testing such as manual data preparation, backend dependency, and unstable UI automation, then evaluates existing API‑mock tools like Apifox before presenting a custom mock platform that decouples frontend from backend, supports encrypted data, selective mocking, fault simulation, and provides a visual interface for managing mock rules and recordings.
To handle growing payment traffic and unreliable third‑party gateways, the team at Zhuanzhuan designed an automated payment‑channel management platform that uses a custom Redis‑based time‑series store, Prometheus monitoring, and a sliding‑window failure‑rate algorithm to detect, alert, and eventually auto‑switch faulty channels.
This guide explains how to use Python's ConfigParser library to read, write, update, and manage INI configuration files—including handling multiple files and dynamically generating sections—through five practical code examples for interface automation.
This free, open‑source Python script combines OpenAI's API with RPA tools to automatically locate job listings, generate personalized cover letters from your résumé, and submit applications to HR, requiring only API configuration and a few setup steps.
This article explains how Zhongyuan Bank built and enhanced a Redis Operator to support Sentinel and Cluster modes, IP pools, cross‑center deployment, and authentication, enabling automated, scalable, and reliable cloud‑native Redis management within their distributed cache platform.
This tutorial demonstrates how to use Python's urllib to download captcha images, apply pytesseract OCR for text extraction, and integrate the result into Selenium scripts to automate the entry of image captchas during web testing.
