#Java beginner
283 related articles
Tutorials·2 min
Complete Breakdown of Andrew Ng's LangChain Course: Five Core Components and Hands-On Guide
Deep dive into Andrew Ng and Harrison Chase's LangChain course, covering the five core components—Models, Prompts, Indexes, Chains, and Agents—to help developers master LLM app development.
Read more →
Tutorials·3 min
Frontend Engineers Leveling Up to AI Agents: LangGraph.js Architecture Design & Practical Guide
How can frontend engineers advance into AI Agent development? This guide covers LangGraph.js core architecture (state, nodes, edges), LangChain comparison, and workflow agent design with practical examples.
Read more →
Tutorials·3 min
Claude Code + Skills: A Practical Guide to 10x AI-Driven Test Case Generation
Learn how Claude Code combined with Skills encapsulation enables AI-driven test case generation with 10x efficiency gains, from 33 to 400+ cases through encoded expert knowledge.
Read more →
Tutorials·3 min
FastAPI Beginner Tutorial: Frontend-Backend Separation and RESTful API Core Concepts
FastAPI beginner essentials: Learn frontend-backend separation vs monolithic web development, RESTful API design principles, HTTP methods and resource operations mapping.
Read more →
Tutorials·2 min
Building a Browser Extension with Cursor from Scratch: A Beginner's Guide to Indie Development as a Side Hustle
Learn how to build browser extensions from scratch using Claude and Cursor. A complete guide to starting indie development as a side hustle with AI tools.
Read more →
Product Reviews·2 min
OpenClaw Hands-On Review: An AI Agent That Controls Your Computer — A New Benchmark for Office Automation
In-depth review of OpenClaw AI Agent: it takes over your keyboard and mouse to operate your computer directly. Covers environment setup, data scraping, file management, security, and cross-platform support.
Read more →
Tutorials·2 min
How to Fix Codex Errors: Complete Troubleshooting Guide for DeepSeek Integration, GPT Login Issues & More
Complete troubleshooting guide for Codex errors including DeepSeek integration 401 errors, SysX configuration, .env file issues, and GPT login problems.
Read more →
Expert Opinions·2 min
Zero-Code Browser Extension in One Day: How AI Programming Is Disrupting Traditional Learning
A developer built a browser extension in one day with zero code using AI assistance. Learn the AI programming workflow, how developer roles are changing, and new methods for learning tech efficiently.
Read more →
Tutorials·2 min
Python for Absolute Beginners: A Complete Guide to Language Features and Applications
A beginner's guide to Python covering its core features—readability, simplicity, and extensibility—plus key applications in AI, web development, data analysis, and web scraping, with version selection advice.
Read more →
Tutorials·1 min
Python Freelancing Side Hustle: A Practical Guide for College Students Going from Zero to $1,000+/Month
A practical guide to Python freelancing for college students covering office automation, web scraping, custom scripts & data analysis with realistic income expectations and compliance tips.
Read more →
Tech Frontiers·2 min
Reviving a 1983 Classic Computer Game with Claude AI: A Cross-Generational Rebirth from BASIC to JavaScript
Developer Simon Willison used Claude AI to translate a 1983 Usborne BASIC game "Mad House" into modern JavaScript with just two prompts. A look at AI code translation in action.
Read more →
Tutorials·2 min
Career Prospects for LLM Development Engineers: Job Categories, Education Requirements, and Learning Paths
In-depth analysis of three LLM engineer career paths (Application, R&D, Algorithm), bachelor's degree entry, core algorithms, salary benchmarks, and a three-tier learning roadmap.
Read more →
Tutorials·2 min
Adding Practical Examples to tcpdump and dig Man Pages: Low-Barrier, High-Value Open Source Contributions
Julia Evans added practical examples to tcpdump and dig man pages, demonstrating open source contributions through documentation improvement with a custom Markdown-to-roff conversion approach.
Read more →
Tutorials·2 min
A Must-Read Guide to AI Coding for Non-Programmers: Model Selection, Tool Setup, and Real-World Applications
A beginner's guide to AI coding for non-programmers: how to choose between GPT and DeepSeek, get started with Cursor/Codex/Claude Code, and build real-world applications.
Read more →
Tutorials·1 min
Java Project Structure Explained: The Four-Layer Architecture of Modules, Packages, Classes, and Methods
A detailed guide to Java project's four-layer structure: Modules, Packages, Classes, Fields and Methods. From naming conventions to hands-on creation for beginners.
Read more →
Tutorials·2 min
LangChain Unified Interface in Practice: Complete Guide from Model Invocation to Agent Development
A detailed guide to LangChain's unified interface, comparing model invocation methods, explaining LLM vs Agent differences, with complete Python walkthrough from setup to agent development.
Read more →
Tutorials·2 min
AI + Content Creator Monetization Guide: A 2025 Beginner's Guide to Making Money from Scratch
A complete guide to AI + content creator monetization in 2025, covering niche selection, account launch, and affiliate strategies. From AI image generation to AI copywriting and video editing, even beginners can earn money with AI tools.
Read more →
Tutorials·2 min
Harness AI Engineering Programming: A Practical Guide to the Rules + Skills + Wiki + Changes Four-Layer System
Deep dive into Harness AI Engineering Programming: a Rules + Skills + Wiki + Changes four-layer system with Claude Code for automated, controllable enterprise development.
Read more →
Tutorials·2 min
OpenClaw Lobster Assistant Beginner's Guide: From Installation & Configuration to Advanced Tips
Complete guide to OpenClaw AI agent: installation, configuration, memory & dream system, Skill extensions, and multi-lobster management with practical tips.
Read more →
Tutorials·2 min
The Truth About Making Money with Python as a Side Hustle: A Complete 2025 Analysis of Barriers, Income & Market Competition
In-depth analysis of Python side hustle realities in 2025: learning barriers, freelance pricing, market competition, and new AI-era opportunities from scraping to LLM app development.
Read more →