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## llm-wiki.md

      
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                aaronwz0
                / llm-wiki.md
            
            
              Created
              May 2, 2026 16:08
                — forked from karpathy/llm-wiki.md
            
              
                llm-wiki
              
          
    LLM Wiki

A pattern for building personal knowledge bases using LLMs.
This is an idea file, it is designed to be copy pasted to your own LLM Agent (e.g. OpenAI Codex, Claude Code, OpenCode / Pi, or etc.). Its goal is to communicate the high level idea, but your agent will build out the specifics in collaboration with you.
The core idea

Most people's experience with LLMs and documents looks like RAG: you upload a collection of files, the LLM retrieves relevant chunks at query time, and generates an answer. This works, but the LLM is rediscovering knowledge from scratch on every question. There's no accumulation. Ask a subtle question that requires synthesizing five documents, and the LLM has to find and piece together the relevant fragments every time. Nothing is built up. NotebookLM, ChatGPT file uploads, and most RAG systems work this way.

  
## jquery--模仿QQ登录窗口
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>jQuery QQ登陆框效果 ab蓝学网 http://www.ablanxue.com</title>
    <link href="css/login.css" rel="stylesheet" />
    <script src="js/jquery-1.9.1.min.js" type="text/javascript"></script>
    <script src="js/jquery.login.js" type="text/javascript"></script>
</head>
<body>

## PHP--图片裁剪、缩放函数
<?php
function imagecropper($source_path, $target_width, $target_height)
{
	$source_info   = getimagesize($source_path);
	$source_width  = $source_info[0];
	$source_height = $source_info[1];
	$source_mime   = $source_info['mime'];
	$source_ratio  = $source_height / $source_width;
	$target_ratio  = $target_height / $target_width;
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>jQuery QQ登陆框效果 ab蓝学网 http://www.ablanxue.com</title>
	<link href="css/login.css" rel="stylesheet" />
	<script src="js/jquery-1.9.1.min.js" type="text/javascript"></script>
	<script src="js/jquery.login.js" type="text/javascript"></script>
	</head>
	<body>
	<?php
	function imagecropper($source_path, $target_width, $target_height)
	{
	$source_info = getimagesize($source_path);
	$source_width = $source_info[0];
	$source_height = $source_info[1];
	$source_mime = $source_info['mime'];
	$source_ratio = $source_height / $source_width;
	$target_ratio = $target_height / $target_width;