BestHub
Sign in
Tagged articles

Tutorial

1407 articles · Page 6 of 15
Java Captain
Java Captain
Mar 1, 2024 · Frontend Development

A 5‑Minute Introduction to JavaScript: Basics, Core Features, and Quick Start

This article provides a concise five‑minute overview of JavaScript, covering its origins, dynamic typing, prototype‑based OOP, browser compatibility, essential syntax such as variables, conditionals, loops, functions, and practical use cases like dynamic content, interactivity, game development, and SPA creation, plus learning resources.

JavaScriptTutorialfrontend
0 likes · 4 min read
A 5‑Minute Introduction to JavaScript: Basics, Core Features, and Quick Start
Open Source Linux
Open Source Linux
Feb 29, 2024 · Fundamentals

10 Fun Linux Commands to Play with Your Terminal

This guide introduces ten entertaining Linux commands—rev, asciiview, sl, aafire, cmatrix, factor, oneko, boxes, xeyes, and pv—explaining how to install each package, run the commands, and showcasing their visual effects, encouraging readers to explore playful terminal utilities.

Tutorialcommand-linefun
0 likes · 5 min read
10 Fun Linux Commands to Play with Your Terminal
Python Programming Learning Circle
Python Programming Learning Circle
Feb 28, 2024 · Fundamentals

Seven Python Mini Projects with Source Code (Calculator, Notepad, Login, Snake, Tetris, Link Game)

This article presents seven beginner‑friendly Python mini‑projects—including a graphical calculator, a notepad editor, a login/registration interface, a Snake game, a Tetris clone, and a Link‑Match puzzle—each explained with design ideas, implementation steps, and complete source code using Tkinter or Pygame.

GUIPythonTkinter
0 likes · 44 min read
Seven Python Mini Projects with Source Code (Calculator, Notepad, Login, Snake, Tetris, Link Game)
php Courses
php Courses
Feb 28, 2024 · Backend Development

Using PHP is_resource() to Check Resource Types

This article explains the PHP is_resource() function, its syntax, return values, and demonstrates its usage through practical examples for checking file handles, database connections, and image resources, helping developers correctly identify resource types and avoid errors.

PHPTutorialis_resource
0 likes · 5 min read
Using PHP is_resource() to Check Resource Types
Top Architecture Tech Stack
Top Architecture Tech Stack
Feb 28, 2024 · Fundamentals

Getting Started with PyCharm: Interface Overview, Project Creation, Interpreter Setup, Package Installation, and First Python Program

This guide introduces PyCharm, outlines its main interface sections, walks through creating a new Python project and file, configuring the interpreter, installing third‑party packages, and writing and running a simple 'Hello World' program, providing a comprehensive start for Python developers.

PythonPython IDETutorial
0 likes · 5 min read
Getting Started with PyCharm: Interface Overview, Project Creation, Interpreter Setup, Package Installation, and First Python Program
Open Source Tech Hub
Open Source Tech Hub
Feb 24, 2024 · Operations

How to Set Up Unmanned Live Streaming with FFmpeg and RTMP

Unmanned live streaming—pre‑recorded video played continuously—can be achieved by capturing an MP4 file and using FFmpeg to push it to an RTMP endpoint, with step‑by‑step instructions for Bilibili and WeChat Video channels, including RTMP URL acquisition, command syntax, and verification.

BilibiliTutorialUnmanned Streaming
0 likes · 4 min read
How to Set Up Unmanned Live Streaming with FFmpeg and RTMP
Sohu Tech Products
Sohu Tech Products
Feb 21, 2024 · Frontend Development

Comprehensive Guide to CSS Functions: 66 Common Functions Explained

This comprehensive guide explains 66 essential CSS functions—from basic attr() and var() to advanced color, filter, gradient, math, graphic, transform, layout, and animation timing functions—detailing their syntax, practical usage, and code examples so developers can create dynamic, responsive, and interactive web designs.

CSSFront‑EndFunctions
0 likes · 48 min read
Comprehensive Guide to CSS Functions: 66 Common Functions Explained
Python Programming Learning Circle
Python Programming Learning Circle
Feb 21, 2024 · Frontend Development

Python Tkinter Vaccine Management System Tutorial with MySQL Integration

This article walks readers through building a complete vaccine management desktop application using Python's Tkinter for the graphical interface and MySQL for data storage, covering UI design, database connection, user registration, login, CRUD operations for vaccine records, and query functionalities, all illustrated with full source code examples.

GUIMySQLPython
0 likes · 25 min read
Python Tkinter Vaccine Management System Tutorial with MySQL Integration
php Courses
php Courses
Feb 20, 2024 · Backend Development

Using PHP fread() to Read Files: Syntax, Parameters, and Example

This article explains PHP's fread() function, detailing its syntax, parameters $handle and $length (and optional $offset), return values, and provides a complete example showing how to open a file, read its contents, output them, and close the handle.

PHPTutorialfread
0 likes · 4 min read
Using PHP fread() to Read Files: Syntax, Parameters, and Example
php Courses
php Courses
Feb 19, 2024 · Backend Development

Using PHP str_replace for String Replacement and Deletion

This article explains PHP's str_replace function, showing its syntax and demonstrating how to replace single words, multiple words, or delete characters in strings through clear code examples and their outputs, helping developers efficiently manipulate text in backend applications.

Tutorialstr_replacestring-manipulation
0 likes · 3 min read
Using PHP str_replace for String Replacement and Deletion
DevOps
DevOps
Feb 7, 2024 · Fundamentals

A Collection of Fun Linux Commands with Installation and Usage Instructions

This article introduces a variety of interesting Linux commands—such as rev, asciiview, sl, aafire, cmatrix, factor, oneko, boxes, xeyes, pv, yes, bastet, ninvaders, pacman4console, and greed—explaining what they do, how to install them via apt, and providing example usage commands.

LinuxShell UtilitiesTerminal Games
0 likes · 6 min read
A Collection of Fun Linux Commands with Installation and Usage Instructions
Liangxu Linux
Liangxu Linux
Feb 5, 2024 · Fundamentals

Replace Windows Search with Everything Toolbar: Setup, Tips, and Hotkey Tweaks

This guide explains how the EU‑mandated Windows search limitation led to the Everything Toolbar project, walks through installing and configuring the toolbar, shows how to disable the default Win+S hotkey via the registry, and highlights advanced usage features such as QuickLook integration and custom search syntax.

Everything ToolbarHotKeySystem Search
0 likes · 5 min read
Replace Windows Search with Everything Toolbar: Setup, Tips, and Hotkey Tweaks
php Courses
php Courses
Feb 5, 2024 · Backend Development

How to Use PHP's array_fill() Function to Fill Arrays

This article explains the PHP array_fill() function, its signature, parameter meanings, return value, practical code examples for numeric and alphabetic keys, and important usage considerations for efficiently populating arrays without manual loops.

PHPTutorialarray
0 likes · 5 min read
How to Use PHP's array_fill() Function to Fill Arrays
Efficient Ops
Efficient Ops
Feb 4, 2024 · Operations

15 Fun Linux Commands to Play and Learn in Your Terminal

Explore a collection of entertaining Linux terminal commands—from reversing strings with rev to playing classic games like Pacman—complete with installation steps, usage examples, and visual demonstrations to enrich your command-line skills and boost.

Fun CommandsLinuxTutorial
0 likes · 7 min read
15 Fun Linux Commands to Play and Learn in Your Terminal
php Courses
php Courses
Feb 4, 2024 · Backend Development

Using PHP's array_multisort() Function to Sort Multiple Arrays

This article explains the syntax, parameters, and practical example of PHP's array_multisort() function, demonstrating how to sort multiple related arrays such as names, ages, and scores in a single operation.

Tutorialarray_multisortphp arrays
0 likes · 4 min read
Using PHP's array_multisort() Function to Sort Multiple Arrays
php Courses
php Courses
Jan 30, 2024 · Backend Development

PHP array_fill() Function: Usage, Parameters, Return Values, and Examples

This article explains PHP's array_fill() function, detailing its purpose, parameters, return values, and provides simple and multi‑dimensional examples illustrating how to create and populate arrays with a single value, including edge cases such as negative indices and zero length.

BackendFunctionsPHP
0 likes · 5 min read
PHP array_fill() Function: Usage, Parameters, Return Values, and Examples
php Courses
php Courses
Jan 29, 2024 · Backend Development

How to Use PHP shuffle() to Randomly Sort Arrays and Generate Random Numbers

This article explains the PHP shuffle() function, demonstrates how to create arrays, use shuffle() to randomize their elements, display the results, and shows additional uses such as generating random numbers with range() and shuffle(), providing clear code examples throughout.

BackendPHPShuffle
0 likes · 4 min read
How to Use PHP shuffle() to Randomly Sort Arrays and Generate Random Numbers
php Courses
php Courses
Jan 19, 2024 · Backend Development

Using PHP is_bool() to Determine Boolean Types

This article explains PHP's is_bool() function, its syntax, parameters, return values, and provides a complete code example showing how to check various variables for boolean type and interpret the results in practical development scenarios.

BackendTutorialType Checking
0 likes · 3 min read
Using PHP is_bool() to Determine Boolean Types
php Courses
php Courses
Jan 17, 2024 · Backend Development

Using PHP implode() to Join Array Elements into a String

This article explains how the PHP implode() function concatenates array elements into a string, demonstrates basic and advanced usages including handling nested arrays and omitting the separator, and provides clear code examples for each scenario.

BackendPHPString
0 likes · 4 min read
Using PHP implode() to Join Array Elements into a String
php Courses
php Courses
Jan 15, 2024 · Backend Development

Using PHP mb_substr() for Multibyte String Truncation

The article explains the PHP mb_substr() function, its syntax, parameter meanings, and provides multiple code examples demonstrating how to correctly truncate multibyte strings such as Chinese or Japanese without causing garbled output, along with important usage notes.

BackendPHPString
0 likes · 4 min read
Using PHP mb_substr() for Multibyte String Truncation
php Courses
php Courses
Jan 12, 2024 · Backend Development

Using PHP fwrite() to Write Data to Files

This article explains PHP's fwrite() function, detailing its syntax, parameters, and practical examples for writing strings and serialized arrays to files, while highlighting important usage considerations such as file opening modes and data types.

BackendFile HandlingPHP
0 likes · 4 min read
Using PHP fwrite() to Write Data to Files
Top Architect
Top Architect
Jan 10, 2024 · Fundamentals

PlantUML Tutorial: Installation, Usage, Diagram Types, and Practical Example

This article introduces PlantUML, explains how to install its plugins for IDEs, demonstrates various diagram types such as activity, class, component, and sequence, and provides a practical code example for modeling authentication flows, making it a comprehensive guide for creating UML diagrams efficiently.

PlantUMLTutorialUML
0 likes · 8 min read
PlantUML Tutorial: Installation, Usage, Diagram Types, and Practical Example
php Courses
php Courses
Jan 9, 2024 · Backend Development

Implementing Data Pagination in PHP with PDO: A Step‑by‑Step Guide

This article explains how to create a MySQL database and table, connect to it using PHP PDO, and implement server‑side pagination with configurable page size, total‑page calculation, and navigation links, providing complete code examples for each step.

BackendTutorialpagination
0 likes · 5 min read
Implementing Data Pagination in PHP with PDO: A Step‑by‑Step Guide
DevOps
DevOps
Jan 7, 2024 · Artificial Intelligence

How to Build and Publish Custom GPTs in OpenAI’s Custom GPT Store

This article explains how to create a custom GPT assistant using OpenAI’s no‑code builder, configure multimodal features, and publish it on the upcoming Custom GPT Store to share or monetize the assistant, with step‑by‑step instructions and target user scenarios.

AI assistantCustom GPTGPT Store
0 likes · 5 min read
How to Build and Publish Custom GPTs in OpenAI’s Custom GPT Store
MaGe Linux Operations
MaGe Linux Operations
Jan 4, 2024 · Databases

Master MySQL Stored Procedures: Concepts, Syntax, and Real-World Examples

This guide explains MySQL stored procedures, covering their definition, benefits, parameter types, creation syntax, delimiter handling, multiple practical examples, calling conventions, debugging tips, and hands‑on exercises, enabling developers to efficiently write, test, and manage reusable SQL routines.

Code ExamplesMySQLSQL
0 likes · 17 min read
Master MySQL Stored Procedures: Concepts, Syntax, and Real-World Examples
php Courses
php Courses
Dec 28, 2023 · Backend Development

Using PHP explode() to Split Strings

This article explains PHP's explode() function, detailing its syntax, parameters, and usage through three examples that demonstrate splitting strings by spaces, commas, and limiting the number of resulting segments, while also mentioning related functions like implode and str_split.

BackendTutorialexplode
0 likes · 3 min read
Using PHP explode() to Split Strings
php Courses
php Courses
Dec 26, 2023 · Backend Development

Using strtoupper() in PHP to Convert Strings to Uppercase

This article explains how to use PHP's strtoupper() function to convert strings to uppercase, covering its syntax, parameters, return values, and multiple code examples demonstrating handling of simple text, multi-word sentences, and strings containing numbers or special characters.

BackendPHPString Manipulation
0 likes · 4 min read
Using strtoupper() in PHP to Convert Strings to Uppercase
Wukong Talks Architecture
Wukong Talks Architecture
Dec 23, 2023 · Backend Development

Spring Boot Email Integration: JavaMailSender, JavaMail API, and Apache Commons Email with Code Samples

This tutorial explains three approaches to sending email in Spring Boot—JavaMailSender, JavaMail API, and Apache Commons Email—compares their advantages and disadvantages, and provides complete Maven dependencies, configuration settings, and ready‑to‑run code examples for each method.

Apache Commons EmailJavaMailSenderSpringBoot
0 likes · 11 min read
Spring Boot Email Integration: JavaMailSender, JavaMail API, and Apache Commons Email with Code Samples
Python Programming Learning Circle
Python Programming Learning Circle
Dec 22, 2023 · Fundamentals

Hidden Python Tricks and Useful Functions

This article introduces a collection of lesser‑known Python tricks—including ternary operators, enumerate, zip, list comprehensions, lambda functions, any/all, itertools, generators, decorators, argument unpacking, dynamic imports, dictionary comprehensions, and mutable data structures—providing concise explanations and runnable code examples to boost coding efficiency.

FunctionsPythonTutorial
0 likes · 10 min read
Hidden Python Tricks and Useful Functions
php Courses
php Courses
Dec 16, 2023 · Backend Development

Using PHP fwrite() to Write Data to Files

This article explains the PHP fwrite() function, its syntax, parameters, and provides clear examples for writing strings and serialized arrays to files, highlighting proper file opening modes and error handling.

BackendFile HandlingPHP
0 likes · 4 min read
Using PHP fwrite() to Write Data to Files
php Courses
php Courses
Dec 15, 2023 · Backend Development

Understanding and Using the PHP fseek() Function

The article explains the purpose and syntax of PHP's fseek() function, details its parameters—including file, offset, and whence options such as SEEK_SET, SEEK_CUR, and SEEK_END—provides a complete example demonstrating file opening, pointer positioning, reading, writing, and closing operations.

BackendFile HandlingPHP
0 likes · 4 min read
Understanding and Using the PHP fseek() Function
Liangxu Linux
Liangxu Linux
Dec 13, 2023 · Operations

Mastering aria2: Fast, Lightweight Command-Line Download Tool

This guide introduces aria2, a lightweight and efficient command‑line downloader supporting HTTP, FTP, BitTorrent, and Metalink, explains how to install it on Linux, demonstrates basic and advanced usage commands, and provides a comprehensive overview of its configuration options for optimal performance.

Aria2DownloadTutorial
0 likes · 25 min read
Mastering aria2: Fast, Lightweight Command-Line Download Tool
Liangxu Linux
Liangxu Linux
Dec 13, 2023 · Fundamentals

Master aria2: Fast, Lightweight Command‑Line Downloading Explained

This guide introduces aria2, a lightweight yet powerful command‑line downloader that supports multiple protocols, explains how to install it on Linux, demonstrates essential commands for single and batch downloads, covers advanced BitTorrent features, and provides a detailed overview of its extensive configuration options.

Aria2DownloadTutorial
0 likes · 25 min read
Master aria2: Fast, Lightweight Command‑Line Downloading Explained
Architect's Tech Stack
Architect's Tech Stack
Dec 13, 2023 · Databases

MyBatis-Flex: A Lightweight High‑Performance MyBatis Enhancement Framework – Features, Comparison, and Quick‑Start Guide

This article introduces MyBatis‑Flex, a lightweight and high‑performance MyBatis enhancement framework, outlines its key features, compares it with similar tools, presents benchmark results, lists supported databases, and provides a step‑by‑step quick‑start tutorial with complete code examples for Spring Boot integration.

JavaMyBatis-FlexORM
0 likes · 11 min read
MyBatis-Flex: A Lightweight High‑Performance MyBatis Enhancement Framework – Features, Comparison, and Quick‑Start Guide
php Courses
php Courses
Dec 8, 2023 · Backend Development

Using PHP shuffle() to Randomly Rearrange Array Elements

This article explains PHP's shuffle() function, its syntax, behavior, return value, and demonstrates how it randomizes both indexed and associative arrays with code examples, highlighting that it modifies the original array and reindexes non‑sequential keys.

BackendShuffleTutorial
0 likes · 5 min read
Using PHP shuffle() to Randomly Rearrange Array Elements
php Courses
php Courses
Dec 8, 2023 · Backend Development

Understanding PHP strlen() Function: Syntax, Examples, and Usage

This article explains PHP's strlen() function, covering its syntax, usage examples for measuring string length with and without surrounding spaces, important encoding considerations, and provides learning resources for further in PHP development.

BackendTutorialstring-length
0 likes · 4 min read
Understanding PHP strlen() Function: Syntax, Examples, and Usage
21CTO
21CTO
Dec 6, 2023 · Backend Development

Master Java Development in VS Code: Step‑by‑Step Guide for 2024

Microsoft reports over 2.5 million Java developers using VS Code and outlines a new roadmap, while this guide walks you through installing the JDK, adding the Java extension pack, and creating Java projects in VS Code with troubleshooting tips.

JavaTutorialVS Code
0 likes · 4 min read
Master Java Development in VS Code: Step‑by‑Step Guide for 2024
php Courses
php Courses
Dec 6, 2023 · Backend Development

Using PHP's array() Function to Create Indexed and Associative Arrays

This article explains PHP's built‑in array() function, demonstrating how to create both indexed and associative arrays with clear examples, code snippets, and important usage notes for developers. It also covers mixed and nested arrays, parameter rules, and common pitfalls to help you write robust PHP code.

BackendPHPTutorial
0 likes · 6 min read
Using PHP's array() Function to Create Indexed and Associative Arrays
php Courses
php Courses
Dec 5, 2023 · Backend Development

Understanding and Using PHP's in_array() Function

This article explains PHP's in_array() function, detailing its syntax, parameters, and return values, and provides multiple code examples demonstrating basic usage, strict type comparison, and practical tips for efficiently checking the presence of values in arrays.

BackendPHPTutorial
0 likes · 5 min read
Understanding and Using PHP's in_array() Function
Senior Brother's Insights
Senior Brother's Insights
Dec 3, 2023 · Fundamentals

Mastering Go's Switch: Advanced Patterns and Common Pitfalls

This guide explores Go's versatile switch statement, covering basic syntax, initializer and value parts, literal true switches, short assignments, multiple case values, fallthrough behavior, default placement nuances, and type switches, all illustrated with clear code examples.

GoTutorialgolang
0 likes · 9 min read
Mastering Go's Switch: Advanced Patterns and Common Pitfalls
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Dec 2, 2023 · Frontend Development

Vue Quick Start Guide for Backend Developers

This article provides backend developers with a concise Vue quick‑start guide, covering core features such as component‑based architecture, two‑way data binding, and virtual DOM, and demonstrates practical setup via CDN or Vue CLI, along with detailed examples of data handling, computed properties, watchers, methods, and common directives.

JavaScriptTutorialVue
0 likes · 12 min read
Vue Quick Start Guide for Backend Developers
php Courses
php Courses
Nov 30, 2023 · Backend Development

Using PHP file_put_contents() to Write Data to Files

This article explains the PHP file_put_contents() function, its syntax, parameters, return values, and provides practical examples for writing strings, appending data, writing arrays, and using callbacks to dynamically generate file content.

BackendCode ExampleFile Handling
0 likes · 5 min read
Using PHP file_put_contents() to Write Data to Files
Tencent Cloud Developer
Tencent Cloud Developer
Nov 30, 2023 · Backend Development

Tutorial: Building a Spring Boot CRUD Application with Tencent Hunyuan Large Model API and MySQL

This tutorial demonstrates how to prompt Tencent Hunyuan’s large‑model API to generate a Spring Boot project configured for MySQL, create a user table, and implement full JPA‑based CRUD layers—including entity, repository, service, and REST controller—while addressing common null‑field errors and testing the endpoints.

APICRUDJava
0 likes · 14 min read
Tutorial: Building a Spring Boot CRUD Application with Tencent Hunyuan Large Model API and MySQL
Python Programming Learning Circle
Python Programming Learning Circle
Nov 29, 2023 · Fundamentals

Building a Simple Python Interpreter with PLY

This article guides readers through designing and implementing a basic Python interpreter that can evaluate arithmetic expressions by defining tokens, writing a lexer and parser with PLY, specifying BNF grammar, handling precedence, and assembling a runnable program that processes user input.

BNFPLYParser
0 likes · 9 min read
Building a Simple Python Interpreter with PLY
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Nov 27, 2023 · Mobile Development

An Overview and Hands‑On Guide to Developing with HarmonyOS (Huawei’s Multi‑Device OS)

This article introduces Huawei’s HarmonyOS, explains its all‑scenario, distributed architecture and key features, compares it with Android’s kernel and performance, discusses market and policy implications, and provides a step‑by‑step tutorial for setting up DevEco Studio and creating a first HarmonyOS app.

Android ComparisonHarmonyOSMobile Development
0 likes · 13 min read
An Overview and Hands‑On Guide to Developing with HarmonyOS (Huawei’s Multi‑Device OS)
Test Development Learning Exchange
Test Development Learning Exchange
Nov 26, 2023 · Fundamentals

Using the % Placeholder for String Formatting in Python

This article explains Python's % placeholder for string formatting, covering basic specifiers, multiple value substitution using tuples, dictionaries, and f-strings, and advanced formatting options like width, padding, and precision, accompanied by clear code examples.

String FormattingTutorialpercent operator
0 likes · 5 min read
Using the % Placeholder for String Formatting in Python
php Courses
php Courses
Nov 16, 2023 · Backend Development

Using PHP str_ends_with() Function: Syntax, Usage, and Case Sensitivity

This article explains PHP's str_ends_with() function, detailing its syntax, parameters, return values, usage examples, case‑sensitivity considerations, and how to combine it with strtolower() for case‑insensitive checks, while also noting its limitation to end‑string matching.

PHPStringTutorial
0 likes · 4 min read
Using PHP str_ends_with() Function: Syntax, Usage, and Case Sensitivity
php Courses
php Courses
Nov 16, 2023 · Backend Development

Using PHP 8.1 str_starts_with() Function: Syntax, Examples, and Case Sensitivity

PHP 8.1 introduces the str_starts_with() function, which checks if a string begins with a given substring, returning true or false; this article explains its syntax, demonstrates basic and URL-check examples, highlights case‑sensitivity, and mentions the case‑insensitive variant str_starts_with_ci().

String FunctionsTutorialphp8
0 likes · 3 min read
Using PHP 8.1 str_starts_with() Function: Syntax, Examples, and Case Sensitivity
php Courses
php Courses
Nov 15, 2023 · Backend Development

Using PHP preg_replace() for String Replacement: Syntax, Examples, and Tips

This article explains the PHP preg_replace() function, its basic syntax, and provides multiple code examples showing how to replace specific characters, optional characters, digits, perform case‑insensitive replacements, and mask email addresses using regular expressions.

Tutorialpreg_replaceregex
0 likes · 4 min read
Using PHP preg_replace() for String Replacement: Syntax, Examples, and Tips
Ximalaya Technology Team
Ximalaya Technology Team
Nov 13, 2023 · Artificial Intelligence

Step-by-Step Guide to Creating Custom GPTs with Knowledge and Action Plugins

This step‑by‑step tutorial shows how to build a custom nutrition‑analysis GPT—named “Nutri Buddy”—by logging into ChatGPT, creating a GPT, uploading knowledge files, configuring an Action plugin that calls the Boohee food API for calorie, protein and carbohydrate data, and then publishing the assistant with private, link‑only, or public visibility.

API integrationCustom AIGPT
0 likes · 8 min read
Step-by-Step Guide to Creating Custom GPTs with Knowledge and Action Plugins
php Courses
php Courses
Nov 13, 2023 · Backend Development

Using PHP's filesize() Function to Retrieve File Size

This tutorial explains PHP's filesize() function, its syntax, usage examples, and important considerations such as local file limitations and converting byte sizes, providing clear code samples for developers, including error handling and file existence checks.

PHPTutorialfile size
0 likes · 5 min read
Using PHP's filesize() Function to Retrieve File Size
MaGe Linux Operations
MaGe Linux Operations
Nov 12, 2023 · Blockchain

Build a Simple Blockchain in Go: Step‑by‑Step Guide with Code

This article explains how to create a basic blockchain framework using Go, covering core concepts, data structures, hash calculation, block addition, chain validation, and three practical case studies ranging from a simple cryptocurrency to supply‑chain and digital‑asset platforms.

Supply ChainTutorialblockchain
0 likes · 8 min read
Build a Simple Blockchain in Go: Step‑by‑Step Guide with Code
php Courses
php Courses
Nov 9, 2023 · Backend Development

Using PHP's array() Function to Create Indexed and Associative Arrays

This article explains PHP's built‑in array() function, demonstrates how to create both indexed and associative arrays with clear code examples, outlines important usage notes, and provides additional sample snippets to help developers master array creation in backend development.

Tutorialarray
0 likes · 5 min read
Using PHP's array() Function to Create Indexed and Associative Arrays
Test Development Learning Exchange
Test Development Learning Exchange
Nov 7, 2023 · Fundamentals

Master Python’s Core Data Types: Numbers, Strings, Lists, and More

This guide introduces Python’s fundamental data types—including integers, floats, complex numbers, strings, booleans, lists, tuples, dictionaries, sets, NoneType, enums, functions, modules, and classes—explaining their characteristics and providing concise code examples that demonstrate creation, manipulation, and common operations for each type.

Data TypesPythonTutorial
0 likes · 7 min read
Master Python’s Core Data Types: Numbers, Strings, Lists, and More
Java Backend Technology
Java Backend Technology
Oct 30, 2023 · Fundamentals

Master the 14 Essential Git Commands Every Developer Needs

This guide introduces fourteen must‑know Git commands—from initializing a repository to reverting changes—explaining their purpose, typical usage examples, and how they streamline daily development, plus a tip on automating analysis with a simple shell script.

GitTutorialcommand line
0 likes · 8 min read
Master the 14 Essential Git Commands Every Developer Needs
php Courses
php Courses
Oct 28, 2023 · Artificial Intelligence

Building an Online Consulting Chatbot with ChatGPT PHP

This tutorial explains how to develop an online consulting chatbot using the ChatGPT PHP library, covering prerequisite setup, API key acquisition, installation, client creation, multi‑turn conversation handling, response extraction, and output, with complete code examples.

AI chatbotAPIChatGPT
0 likes · 4 min read
Building an Online Consulting Chatbot with ChatGPT PHP
Liangxu Linux
Liangxu Linux
Oct 25, 2023 · Fundamentals

14 Essential Git Commands Every Developer Should Master

This guide presents 14 indispensable Git commands—such as init, clone, add, commit, push, pull, branch, checkout, merge, status, rebase, stash, and revert—explaining their purpose, typical usage syntax, and practical examples to help developers efficiently manage repositories and streamline their workflow.

GitTutorialcommand line
0 likes · 7 min read
14 Essential Git Commands Every Developer Should Master
Python Programming Learning Circle
Python Programming Learning Circle
Oct 23, 2023 · Backend Development

Step-by-Step Guide to Building a QQ Bot with Mirai, Python, and Mirai-Console-Loader

This tutorial walks you through setting up the Mirai ecosystem, using mirai-console-loader, handling slider verification with mirai-login-solver-selenium, configuring mirai-api-http, installing OpenJDK, and finally developing a QQ bot in Python with graia-application-mirai, complete with code examples and troubleshooting tips.

QQ BotTutorialgraia
0 likes · 9 min read
Step-by-Step Guide to Building a QQ Bot with Mirai, Python, and Mirai-Console-Loader
php Courses
php Courses
Oct 21, 2023 · Backend Development

How to Use PHP rewinddir() to Reset a Directory Handle

This article explains the PHP rewinddir() function, its syntax, provides a complete code example for resetting a directory handle to the beginning of a directory, and highlights important usage notes for reliable file traversal in backend development.

PHPTutorialdirectory handling
0 likes · 3 min read
How to Use PHP rewinddir() to Reset a Directory Handle
Python Crawling & Data Mining
Python Crawling & Data Mining
Oct 20, 2023 · Fundamentals

How to Extract Exact 6-Digit Numbers with Python Regex – Real‑World Tips

This article walks through a real‑world Python regex challenge of extracting exactly six consecutive digits from mixed alphanumeric strings, showcases successful and failed examples, shares multiple solution attempts from community experts, and offers practical advice for handling noisy data and avoiding false positives.

String processingTutorialregex
0 likes · 4 min read
How to Extract Exact 6-Digit Numbers with Python Regex – Real‑World Tips
Sohu Tech Products
Sohu Tech Products
Oct 18, 2023 · Frontend Development

How to Build a Safari QR‑Code Extension from Scratch

This step‑by‑step guide shows how to create a Safari web extension that generates a QR code for the current page, covering project setup in Xcode, manifest configuration, UI design, JavaScript communication, and optional offline QR generation.

JavaScriptQR codeSafari Extension
0 likes · 9 min read
How to Build a Safari QR‑Code Extension from Scratch
php Courses
php Courses
Oct 17, 2023 · Backend Development

How to Use PHP's pathinfo() Function to Parse File Paths

This article explains the PHP pathinfo() function, covering its syntax, parameters, return values, practical examples, and important usage notes, helping developers efficiently extract directory names, file names, extensions, and filenames from file paths.

PHPTutorialfile path
0 likes · 5 min read
How to Use PHP's pathinfo() Function to Parse File Paths