This article introduces the Rich Python library, detailing its cross‑platform compatibility, installation, rich printing, console control, logging, emojis, tables, progress bars, columns, markdown rendering, syntax highlighting, and enhanced tracebacks, all illustrated with code snippets and screenshots.
This tutorial walks you through creating a full‑stack word‑cloud web application using Flask for the backend and Vue for the frontend, covering environment setup, project structure, dependency installation, core code snippets, and how to run and package the app.
This article introduces Python generators, explains how the yield statement creates generator functions, demonstrates usage with example code, compares yield to return, and shows how generator expressions provide memory-efficient iteration similar to list comprehensions.
This article walks through decoding custom font anti‑scraping on a Chinese group‑buying site using Python, covering page fetching, CSS font URL extraction, .woff download, glyph mapping with fontTools, OCR via ddddocr, DOM manipulation with BeautifulSoup, and exporting the cleaned data to Excel.
This article presents all 68 built‑in functions available in Python 3.6.2, categorizes them into twelve groups, and provides clear code examples for each function, helping beginners quickly master essential Python utilities for data types, conversions, mathematics, collections, scope, iteration, and more.
This tutorial demonstrates how to use Python, ADB, and OpenCV to automate gameplay tasks in the mobile game Princess Connect, covering environment setup, device interaction, screenshot handling, image template matching, cropping, and OCR for extracting in‑game information.
This article explains how to create a simple arithmetic expression interpreter in Python by leveraging the PLY (Python Lex‑Yacc) library, covering token definition, lexer implementation, BNF grammar, parser rules, operator precedence, error handling, and a complete runnable example.
This article explains how to use Python's ReportLab library to create highly customized PDF documents, covering basic components like canvas, templates, page headers/footers, and demonstrating single‑column and double‑column layouts with text, charts, images, and tables through detailed code examples.
This article introduces several pandemic‑related open‑source resources—including a nationwide COVID‑19 vaccine record lookup, a tracker for ineffective vaccine distribution, and Baidu's DDParser NLP tool—detailing their purpose, usage, and installation to help developers build better vaccine‑related applications.
This tutorial demonstrates how to crawl approximately 40,000 Maoyan movie reviews for the film “Chinese Doctors,” preprocess the data, and create visualizations such as rating pie charts, city distribution maps, top‑viewer bar charts, and a word cloud using Python libraries like requests, pyecharts, and wordcloud.
This article explains the differences between synchronous and asynchronous calls, describes various I/O models—including blocking, non‑blocking, multiplexed, signal‑driven, and asynchronous I/O—and outlines how event‑driven programming works in Python back‑end frameworks such as Tornado, Twisted, Gevent, and asyncio.
This guide walks through installing Anaconda, Git, and VSCode, configuring the editor UI, keyboard shortcuts, essential extensions, terminal settings, and advanced debugging via launch.json to create an efficient Python development environment on Windows.
This article demonstrates a simpler method to obtain water‑marked‑free Douyin video URLs by inspecting network requests, extracting hidden links, and using a Python script with the jsonpath library to download videos directly, highlighting advantages and remaining limitations.
This tutorial walks through building a simple skiing game in Python using Pygame, explaining the game mechanics, required image assets, and providing the complete source code that handles skier movement, obstacle generation, collision detection, scoring, and rendering in a 640×640 window.
This article walks through a real‑world Python web‑scraping case, explaining the problem, revealing hidden request URLs, showing the complete code, and demonstrating how to retrieve and verify data from Baidu's Aiqicha platform.
This article explains how to troubleshoot fragmented log files caused by the Supervisor process manager on Linux, covering configuration details, log‑rotation constraints, diagnostic commands, and the eventual resolution by restarting the supervisord service.
This guide walks through extracting and reproducing the encrypted parameters required to post chat messages on Laifeng live streams, covering site navigation, packet capture, timestamp generation, signature calculation via JavaScript decryption, and a complete Python script that logs in, builds the request, and sends the comment.
The article examines three key design dimensions of modern AI platforms—programming language choice, runtime environment isolation, and scheduling/resource management—while also discussing challenges in model deployment such as algorithm diversity, resource usage patterns, and architectural generality, proposing Kubernetes‑based solutions and Arrow‑based data sharing to achieve efficient, scalable AI services.
This article reviews the most suitable programming languages for artificial intelligence, explaining why Python, R, Java, LISP, Prolog, C++, Haskell, JavaScript, and Julia excel in AI development and outlining their key advantages and typical applications.
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 guide walks through using Python's requests and lxml libraries to scrape quotes, authors, and tags from quotes.toscrape.com, parse the HTML with XPath, and store the results in a CSV file, covering request headers, element inspection, and data extraction steps.
This article explains how to build a lightweight Python GUI attendance and random‑selection tool using Tkinter (and optionally PyQt5), covering required libraries, installation steps, interface design, name‑list handling, sequential and random calling modes, and provides the complete source code.
This tutorial demonstrates how to use the Python PyWebIO library to create a web interface for uploading, cleaning, and querying pandas data—adding buttons, displaying tables, and handling continuous input—without writing any front-end HTML or JavaScript code.
This article introduces the concept of signals, explains how the Python Blinker library implements them with named, anonymous, and multicast signals, demonstrates various usage patterns including decorators and receiver checks, and shows how to integrate Blinker with Flask for request‑level event handling.
This article explains what an Abstract Syntax Tree (AST) is, demonstrates how to generate and inspect Python ASTs using the ast module, visualizes them with astpretty, and shows how to compile, evaluate, and transform AST nodes with custom visitors and transformers.
This article provides step‑by‑step Python tutorials for creating classic games—including 2048, Snake, Tetris, and LianLianKan—detailing design principles, core logic, and complete source code using Pygame and Tkinter for learners with basic Python and game‑programming knowledge.
This article explains how to create a panoramic image by detecting SIFT keypoints, matching them with KNN, estimating a homography using RANSAC, and warping and blending two overlapping photos with OpenCV in Python.
This article provides step‑by‑step Python Tkinter tutorials for building three desktop GUI applications—a basic calculator, a simple notepad editor, and a user login/registration interface—detailing design principles, UI layout, and complete source code for each example.
This article introduces Python 3 methods for retrieving various document types—including TXT, CSV, PDF, and Word files—using urllib, regular expressions, and file‑specific processing steps, providing practical code examples and workflow guidance for building effective web crawlers.
This article demonstrates how to collect, process, and visualize Bilibili documentary metadata using Python APIs, pandas, and various plotting libraries, revealing insights into regional distribution, genre trends, episode lengths, popularity metrics, and comment dynamics across Chinese, British, and American documentary collections.
This article reviews four popular Python project scaffolding and build tools—CookieCutter, PyScaffold, PyBuilder, and Poetry—explaining their installation commands, generated directory layouts, build workflows, and how they differ in complexity and feature coverage.
This article walks through a seemingly simple Python input‑eval problem, reveals a hidden bug caused by extra parentheses around input(), demonstrates corrected code and extensive testing, and explains how proper use of eval can safely parse various data types.
The TIOBE Index for November 2021 shows Python retaining the top spot while PHP slips to the lower end of the top ten, highlights notable movements for languages such as Lua, Dart, Kotlin, and provides detailed rankings for the top 100 programming languages along with historical trend charts.
This article demonstrates how to build a Python Selenium script that automatically opens a browser, navigates to Taobao, waits for a specified flash‑sale time, and programmatically selects items in the cart, logs in via QR code, and completes the purchase.
This tutorial walks you through recreating the classic WeChat "Airplane Battle" game using Python and Pygame, covering environment setup, player and enemy plane implementation, keyboard controls, collision detection, and a complete runnable code example.
This tutorial walks through the full Python-based ARIMA modeling process for time‑series analysis, covering data loading, stationarity and white‑noise tests, model order selection, parameter estimation, diagnostic checks, and future forecasting with detailed code examples.
The Python 3.10.0 reference documentation provides a comprehensive guide covering installation, API reference, common questions, standard library details, language reference, and beginner tutorials, offering essential resources for newcomers and experienced developers alike, with downloadable PDFs and QR codes for easy access.
This article introduces a custom Python logging wrapper built on the standard logging module and colorlog, explaining its design, configuration of console and file handlers, level settings, formatter setup, and usage examples to enhance debugging and monitoring across development, testing, and production phases.
This article introduces six intriguing open‑source projects—including an audio‑based keylogger, a high‑accuracy face‑recognition library, a TensorFlow.js video‑person removal tool, a Chinese kinship calculator, a Java Word template engine, and a sleek macOS Markdown editor—each with brief descriptions, screenshots, and usage examples.
The article explains how to automatically generate separate unittest test cases for each combination of input parameters by using setattr and static methods, avoiding large monolithic tests and enabling clear result reporting, and provides a complete Python code example.
This article explains the concepts of Python modules and packages, the mechanics of import statements, the search path and caching behavior, the roles of finders and loaders, and how the import system has evolved through PEP 302 and PEP 420 to support regular and namespace packages.
This article walks you through the complete process of automating Excel report generation with Python, covering Excel fundamentals, a five‑step workflow, practical code examples using pandas and openpyxl, and techniques for merging results into a single workbook or multiple sheets.
This article provides two Python scripts that transform raw interface‑copied data and URL query strings into properly formatted JSON, including dependency details, sample input, conversion code, and resulting output, offering a straightforward solution for developers handling unquoted JSON-like text.
A SlashData survey of over 19,000 developers reveals JavaScript as the most widely used language, highlights rapid growth for Python, Rust, and PHP, and examines regional 5G involvement and salary‑driven job‑change motivations across the global developer community.
This tutorial explains how to perform hypothesis testing, chi‑square, t‑tests, confidence‑interval calculation, and effect‑size measurement in Python, covering data preparation, statistical assumptions, code implementation, and interpretation of results for real‑world datasets.
This tutorial explains how to use the Python Bokeh library to create interactive scatter, bar, and multi‑panel visualizations, covering installation, figure configuration, hover tooltips, data sources, color mapping, looping over categories, and linking plots with shared ranges.
This article reviews eight Python frameworks—Django REST, Flask‑Restful, Falcon, Connexion, FastAPI, Hug, Eve, and Cornice—explaining their features, ideal project sizes, and how they simplify and accelerate the creation of robust APIs.
This tutorial demonstrates how to install Plotly, import necessary modules, and create various visualizations—including scatter, bar, histogram, pie, 3D, and density map charts—using both the graph_objects and express APIs with sample CSV data and code snippets.
This article explains the evolution of Python packaging, compares legacy tools like distutils and setuptools with modern solutions such as Poetry, details how to create and configure pyproject.toml, setup.py, and requirements files, and provides practical guidance on building wheels, eggs, and publishing packages to PyPI.
Flutter’s native testing tools struggle with hybrid apps, so this article analyzes the limitations of Flutter driver and integration_test, then presents a custom solution that leverages native automation frameworks, JSON protocols, and image‑processing techniques to achieve reliable UI automation for Flutter pages.
This tutorial walks you through creating a functional Arkanoid‑style game using Python and PyGameZero, covering installation, window setup, sprite handling, drawing and update loops, paddle control, ball physics, collision detection, and suggestions for adding game‑over logic and scoring.
This article presents practical Python tricks—including set operations, calendar calculations, enumerate usage with custom start indices, clean if‑else handling via enums, the enum module itself, and iPython basics—providing concise examples and explanations to help developers write more efficient and readable code.
This article introduces the Python Rich library, detailing its cross‑platform compatibility, installation via pip, and features such as rich text printing, console logging, emoji support, tables, columns, markdown rendering, syntax highlighting, and progress bars with code examples.
Python 3.10 introduces six standout enhancements—including clearer error traces, structural pattern matching, a new type union operator, stricter zip, automatic text encoding warnings, and async iteration utilities—each designed to streamline debugging, improve code readability, and expand the language’s capabilities for developers and educators alike.
This guide shows how to use Python tools like you‑get and a custom BililLocal player to download Bilibili videos, handle download issues, retrieve danmu subtitles, and play the content locally, providing step‑by‑step instructions and useful resources.
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.
This article demonstrates how to use Python to scrape fund data from Eastmoney, store it in Excel, visualize fund type distribution, and perform detailed time‑series analysis on a specific fund's net‑value, growth rate, and yearly performance.
This article introduces the PrettyTable Python library, explains how to install it, demonstrates creating tables with headers, adding rows and columns, importing data from CSV, databases, or HTML, and shows various output formats and styling options for clear command‑line presentation.
Python 3.10 introduces clearer error tracing, structured pattern matching, a new type union operator, stricter zip, automatic text encoding warnings, and enhanced async iteration, offering developers more readable code, faster debugging, and modern programming conveniences.
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.
An extensive guide to Python's 68 built-in functions (up to version 3.6.2), organized into categories covering numeric operations, data types, data structures, scope, iterators, and I/O, with code examples illustrating each function's usage and behavior.
This tutorial walks through creating a word‑cloud web application using Flask for the backend and Vue for the frontend, covering environment setup, project structure, installing dependencies, writing API endpoints, building UI components, and packaging the app for deployment.
This tutorial explains how to unpack a PyInstaller‑packed executable, restore the missing .pyc header, and decompile the resulting bytecode back to readable Python source using pyinstxtractor, 010Editor, and uncompyle6.
This article walks through a real‑world Python project that uses Selenium to crawl the first ten pages of Taobao snack listings, extracts sales, price and location data, visualizes price distribution and geographic concentration, generates a word‑cloud of top user comments, and lists the top‑selling stores, providing full source code for replication.
This article explains how to use Tekton, a cloud‑native CI/CD framework, to sync its component images to a Tencent Cloud container registry, generate an image‑mapping JSON, and deploy Tekton via GitHub Actions, Python scripts, and Kubernetes resources.
This tutorial demonstrates how to use Python's requests library to programmatically log into Weibo, publish a status update, and automatically like posts by handling cookies, sessions, and the required st token, complete with full code examples.
This tutorial shows how to embed hidden text into an image using Python's OpenCV and PIL libraries, detailing the step‑by‑step process, complete code, customization tips, and visual results, enabling messages that appear only when the picture is enlarged.
Explore ten innovative Python project ideas—from voice‑controlled GUIs and AI betting bots to trading algorithms, virtual assistants, SSL auto‑renewal, facial recognition, contact‑tracing, file organization, and YouTube‑based career path generators—each designed to sharpen your programming, AI, and automation expertise.
This tutorial explains how to build a Python automation script for the 4399 mini‑game “Pet Link Classic 2”, covering environment setup, window handling, screenshot processing, image comparison with Hamming distance, path‑finding algorithms, and mouse‑click simulation to clear matching icons.
This article presents a curated list of over a dozen online coding game platforms—such as Codingame, CodeCombat, Screeps, and Human Resource Machine—detailing their features, supported languages, and URLs, offering programmers of all levels engaging ways to improve their coding skills.
This article documents a Python service performance optimization case, detailing the initial requirements, environment setup, bottleneck analysis, architectural redesign with caching and message queues, Linux TCP time-wait tuning, and load-testing results that achieved 50 k QPS with low latency and error rate.
This article provides a hands‑on guide to using the pyttsx3 library for offline text‑to‑speech conversion in Python, covering installation, basic playback, voice property adjustments, multilingual support, and conditional speech examples with counters.
This article explains how applying the five SOLID principles, choosing appropriate system architectures, using clear naming, drawing diagrams, and refactoring code—including guard clauses, responsibility‑chain patterns, and composition over inheritance—can dramatically improve Python program design and maintainability.
This article walks through a fan's question on converting a Chinese date string like '2021年9月28日' into the standard '2021/9/28' format, presenting three practical Python solutions—including direct replacement, split‑and‑join, and datetime parsing—so you can pick the most suitable method for bulk data processing.
After integrating Kubernetes into Probius, this guide shows how to pull pod metrics from Prometheus using the query_range API, process them with a Python client, and visualize CPU, memory, bandwidth, and IOPS data in Probius via ECharts, completing a seamless container‑monitoring feature.
The article examines IEEE Spectrum's 2021 programming language ranking, compares it with Stack Overflow and TIOBE surveys, explains the methodology using eight data sources and eleven metrics, and highlights Python's surge alongside the enduring popularity of Java, C, C++, and JavaScript.
The article explains that Python dictionaries are hash tables with average O(1) lookup, describes how their internal structure changed in Python 3.6 to separate indices and entries, resulting in ordered iteration and significant memory savings.
Python 3.10, released on October 4 2021, introduces concise Union type syntax, a strict mode for zip, parenthesized with‑statements, explicit TypeAlias declarations, structural pattern matching via match‑case, clearer syntax error messages, and several deprecations such as distutils, all illustrated with code examples.
This guide presents a comprehensive collection of PyCharm keyboard shortcuts—including code formatting, line merging, comment toggling, navigation, refactoring, and debugging—illustrated with clear Python examples to help developers write, organize, and troubleshoot code more quickly and accurately.
This article explains why Chinese characters often appear as garbled text when crawling websites with Python and provides three practical solutions—using response.content, manually setting the response encoding, and applying a generic encode‑decode trick—to reliably decode the data.
This article walks through creating a Python script that uses the pywifi library to brute‑force Wi‑Fi passwords, shows how to improve flexibility with command‑line arguments, and demonstrates two graphical interfaces built with Tkinter for a more user‑friendly cracking tool.
Discover a curated collection of practical Python tips—from swapping variables without a temporary placeholder and mastering list, set, and dictionary comprehensions to leveraging Counter for counting, pretty‑printing JSON, solving FizzBuzz, using inline if statements, and more—to enhance your coding efficiency and readability.
This guide compiles over 300 interview-style questions covering Python fundamentals, network programming, concurrency, databases, caching, frontend frameworks, DevOps tools, and system design, along with code snippets and brief explanations to help candidates prepare for technical interviews.
This article compares how Java, Groovy, Python, and Go implement closures and treat functions as parameters, showing concrete syntax for defining single‑parameter, multi‑parameter, and parameter‑less closures, as well as returning and invoking them within methods.
This article presents a classic monkey‑and‑peach puzzle, derives the minimal initial peach count using mathematical reasoning, and then demonstrates a brute‑force Python program that searches for the solution, illustrating how loops and modular checks solve the problem.
This comprehensive guide walks you through Python’s time‑handling ecosystem, covering the low‑level time module, the richer datetime module, timezone utilities like pytz, advanced parsing with dateutil, and the user‑friendly Arrow library, complete with explanations, code snippets, and practical examples for formatting, conversion, and manipulation.
The TIOBE Index for October 2021 ranks Python as the top language at 11.27%, pushing C and Java down to second and third places, while highlighting notable movements such as R falling out of the top ten and Assembly language making a strong comeback among the top‑100 programming languages.
This article provides a comprehensive overview of Apache Flink's major releases from version 1.7 to 1.14, detailing new APIs, state management improvements, Kubernetes integration, SQL and Table API enhancements, checkpointing advances, and performance optimizations that together illustrate the platform's evolution for both streaming and batch processing workloads.
This article explains the unique features of Python’s plus‑equals (+=) operator, demonstrates its usage with simple and complex examples, explores the concept of mutable elements within immutable tuples, and provides sample code illustrating how these operators work under the hood.
This article presents a comprehensive guide to speeding up Python programs by applying optimization principles, avoiding global variables and attribute look‑ups, reducing unnecessary abstractions and data copies, improving loop constructs, using built‑in functions like join, leveraging short‑circuit logic, and employing tools such as numba for JIT compilation.
This guide explains how to set up ADB on a Windows PC, capture screenshots from an Android device, analyze the image to locate the game piece and platform in the WeChat Jump mini‑program, and automatically perform jumps using Python code that calculates press duration and simulates swipe input.
This article explains why the Python requests library may install correctly yet fail to import, covering virtual‑environment issues, filename conflicts, and attribute errors, and provides step‑by‑step solutions to get the import working again.
This guide presents eleven practical PyCharm tricks—from adjusting font sizes and customizing the UI to efficient code commenting, refactoring, package management, and debugging—helping both beginners and seasoned developers boost productivity and master the IDE’s powerful features.
This article walks through a common Python requests encoding error, explains why it occurs due to mismatched UTF-8 and GBK settings, and provides step‑by‑step instructions—including PyCharm configuration and code snippets—to resolve the issue permanently.
This tutorial shows how to create a Tetris mini‑game with AI using a straightforward algorithm, Python 3.6, PyQt5, and detailed code that evaluates board states based on cleared lines, holes, heights, and other metrics to select optimal moves.
This article walks through a Python exercise that creates random student names, IDs, and scores, then saves the data into both TXT and CSV files using the random module, lists, dictionaries, and file I/O, complete with full code examples and output screenshots.
This article walks you through every stage of turning a Python project into an open‑source package, covering licensing, project structure, setup.py creation, testing, documentation, continuous integration, and finally releasing the package to PyPI or Conda.
This article explains how computational graphs can represent arbitrary neural networks, describes forward and reverse propagation, details the implementation of automatic differentiation with Python and NumPy, and demonstrates building and training a multilayer fully‑connected network on the MNIST dataset using custom graph nodes and optimizers.
