AI hands-on tutorials

When uploading important materials (such as plain image files or scanned PDF documents) to the knowledge base of Dify, the LLM application development platform, many users often encounter a tricky problem: Dify is unable to read and parse the content in non-text format directly. This is mainly because Dify's knowledge base natively ...

As the application of artificial intelligence in the programming field becomes more and more in-depth, many developers, after experiencing the convenience of AI-assisted programming, expect to have an "exclusive AI engineer" that understands their needs better. The core of this demand lies in the ability of AI to accurately follow the developer's personalized instructions and specific project...

Background: n8n Challenges Integrating with the RAG Knowledge Base n8n is gaining traction as a powerful open source automated workflow tool. It was founded in 2019 by Jan Oberhauser, former visual designer of Pirates of the Caribbean, and aims to provide more flexibility than tools such as Zapier, into...

Vibe Coding: code disappears, a new wave of intuition-driven software development? The exponential growth of generative artificial intelligence is reshaping industries, and software development is no exception. Around the beginning of 2025, a new wave of thinking began to gain traction in Silicon Valley: it seemed that developers could leverage AI...

Background: why public access is needed n8n n8n is a powerful open source workflow automation tool that allows users to connect different applications and services to create automated processes. However, during use, many of n8n's App nodes (especially those involving third-party service licenses) need to be paired...

serverless-qrcode-hub is an open source tool designed to solve the problem of frequent failure of QR codes in WeChat group chats. It is based on Cloudflare Workers and D1 database , without the need for traditional servers to run . Users can generate permanently valid WeChat group QR code , convenient group chat management ...

Recently, MCP (Model Calling Protocol) has become a high-frequency term in the technical circle. Simply put, MCP aims to simplify the process of using external tools or services for large language models (LLMs), significantly lowering the threshold for developers and users to build complex AI applications. With the related...

Traditional web crawler frameworks are versatile, but often require additional cleansing and formatting when processing data, which makes their integration with Large Language Models (LLMs) relatively complex. The output of many tools (e.g., raw HTML or unstructured JSON) contains a lot of noise and is not suitable for direct use in retrieving enhanced...

With the popularity of Large Language Models (LLMs) and various AI services, it is becoming increasingly common for developers to integrate these capabilities in their applications. However, directly invoking API endpoints from service providers such as OpenAI, Hugging Face, and others often presents a number of management and O&M challenges: opaque costs...

VS Code 1.99 Introduces Model Context Protocol Support Visual Studio Code (VS Code) formally introduced support for the Model Context Protocol (MCP) in its 1.99 release, ...

With the increasing abundance of digital information today, effectively capturing, organizing and utilizing web content has become a key skill. Many users who have tried tools such as Notion, Instapaper, or Readwise may experience incomplete content capture, inconvenient retrieval management, or data that is locked to a specific platform...

That dream provides 3.0 image generation model quota is always not enough, today straight test will not be used up. And the daily use of that dream directly generate article cover is also somewhat inconvenient. So the idea of using the buckle in the reference that dream 3.0 image model (standard name is seedream3.0, in the workflow name ...

Recently, MCP (Model Context Protocol) has garnered a lot of attention in the tech enthusiast and developer communities. This technology aims to simplify the way large language models (LLMs) interact with a variety of external tools and services, promising to reshape the way we use AI to process information and accomplish tasks...

The spread of Artificial Intelligence ( AI ) has brought opportunities for change in education, but it has also been accompanied by serious challenges, the most immediate of which is the impact on academic integrity.The ability of AI tools to generate text has blurred the boundaries of plagiarism in the traditional sense, causing unprecedented distress for educators. Simply...

Three.js is a tool that allows web pages to display "three-dimensional" images. Think of it like this: it provides a set of tools that allow developers to draw 3D shapes on web pages, such as cubes, spheres, and so on. It can also make these 3D shapes move, to achieve a variety of animation effects. It...

As AI-assisted software development grows in popularity, a key challenge has emerged: how to enable AI coding assistants to have the same cross-session "memory" as human developers, remembering and applying a project's coding specifications, preferences, particular processes, and even requirements details. Currently, the popular AI...

Traditional e-commerce customer service system relies on the cooperation between intelligent customer service system and human team, but this model often faces efficiency bottlenecks and experience pain points. Although big model technology has been developed for several years, most AI customer service is still limited to assistance based on preset processes (SOP mode) or simple human-machine collaboration (Copilot mode). ...

The Python ecosystem has always had a shortage of package management and environment management tools, from the classic pip and virtualenv to pip-tools and conda to the modern Poetry and PDM. Each tool has its area of specialization, but they often make a developer's toolchain fragmented and complex. Now, ...

On social media, those stunning photos of cherry blossoms always attract attention easily. People may wonder why some people can take photos of cherry blossoms on the same spring day, while their own photos look mediocre or even dull. A joke may point out the truth: "He uses telephoto to capture the spring colors, you...