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<!DOCTYPE html><html lang="zh-CN"><head><meta charset="utf-8"><meta name="X-UA-Compatible" content="IE=edge"><meta name="author"><title>Hexo</title><meta name="description" content="A Blog Powered By Hexo"><meta name="keywords" content=""><meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"><meta content="yes" name="apple-mobile-web-app-capable"><meta content="black" name="apple-mobile-web-app-status-bar-style"><meta content="telephone=no" name="format-detection"><meta name="renderer" content="webkit"><link rel="short icon" href="images/favicon.png" type="image/x-icon"><link rel="stylesheet" href="/css/bootstrap.min.css"><link rel="stylesheet" href="/css/font-awesome.min.css"><link rel="stylesheet" href="/css/style.css"><link rel="alternate" type="application/atom+xml" title="ATOM 1.0" href="/atom.xml"><meta name="generator" content="Hexo 7.1.1"><style>mjx-container[jax="SVG"] {
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</style><link rel="stylesheet" href="/css/prism.css" type="text/css">
<link rel="stylesheet" href="/css/prism-line-numbers.css" type="text/css"></head><body><div class="container" id="stage"><div class="row"><div class="col-sm-3 col-xs-12 side-container invisible" id="side-bar"><div class="vertical-text site-title"><h3 class="site-title-small" tabindex="-1"><a class="a-title" href="/">From Swift</a></h3><h1 class="site-title-large" tabindex="-1"><a class="a-title" href="/">博客而已</a></h1><!--h6(onclick="triggerSiteNav()") Trigger--></div><br class="visible-lg visible-md visible-sm"><div class="site-title-links" id="site-nav"><ul><li><a class="current" href="/">Home</a></li><li><a href="/archives">Archive</a></li><li><a href="/tags">Tags</a></li><li><a href="/about/index.html">about</a></li><li class="soc"><a href="https://github.com/swfnotswift" target="_blank" rel="noopener noreferrer" aria-label="Github"><i class="fa fa-github"> </i></a><a href="http://example.com/atom.xml" target="_blank" rel="noopener noreferrer" aria-label="RSS"><i class="fa fa-rss"> </i></a></li></ul><div class="visible-lg visible-md visible-sm site-nav-footer"><br class="site-nav-footer-br"><footer><p>© 2024 <a target="_blank" href="http://example.com" rel="noopener noreferrer">John Doe</a></p><p>Theme <a target="_blank" href="https://github.com/SumiMakito/hexo-theme-typography" rel="noopener noreferrer">Typography</a> by <a target="_blank" href="https://www.keep.moe" rel="noopener noreferrer">Makito</a></p><p>Proudly published with <a target="_blank" href="https://hexo.io" rel="noopener noreferrer">Hexo</a></p></footer></div></div></div><div class="col-sm-9 col-xs-12 main-container invisible" id="main-container"><div class="autopagerize_page_element"><div class="content"><div class="post-container"><p class="post-title"><a href="/2024/07/01/FastApI%E5%AD%A6%E4%B9%A0/">FastApI学习</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-07-01</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/python/" title="python">python</a><span> </span><a class="a-tag" href="/tags/FastApi/" title="FastApi">FastApi</a><span> </span></span></p><p class="post-abstract">## 开始的补充
想要补全title，我们打开·之后，发现无法补全。
为了解决这个问题，我们可以使用类型提示，如下面这段代码 ##
开始 ---
最简单的fastapi程序 ### 启动命令
uvicorn main:app --reload
命令 uvicorn main:ap...</p></div><div class="post-container"><p class="post-title"><a href="/2024/06/07/SAD%E6%9C%9F%E6%9C%AB%E5%A4%8D%E4%B9%A0/SAD%E7%9A%84%E5%9B%BE/"></a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-06-07</span></p><p class="post-abstract">1.pert 图
## 2.Gantt图 ## 3.数据流图 DFD
四个基础元素 2.矩形 外部实体 External 3.半封口 Data
store需要长久储存的数据 4.带箭头的实线 Data Flow 临时性数据
Function decomposition A system is
a ...</p></div><div class="post-container"><p class="post-title"><a href="/2024/06/07/SAD%E6%9C%9F%E6%9C%AB%E5%A4%8D%E4%B9%A0/">SAD期末复习</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-06-07</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/大三期末复习/" title="大三期末复习">大三期末复习</a><span> </span></span></p><p class="post-abstract">## 第一章
1.What
are information systems, and who are the stakeholders in the information
systems game?
An Information System is an arrangement of people, d...</p></div><div class="post-container"><p class="post-title"><a href="/2024/05/31/langchain/">langchain</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-05-31</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/langchain学习/" title="langchain学习">langchain学习</a><span> </span></span></p><p class="post-abstract">## Start
让踏入Langchain的学习之旅，时间很短，让我们现在就开始吧！
首先第一步，安装好Langchain相关的依赖。
这一步教程可以参考官方网站
然后，让我们定义一个模型 像下面这样
请注意，来自模型的响应是一个 .NET
文件，其中包含一个字符串响应以及有关响应的其他元数据。...</p></div><div class="post-container"><p class="post-title"><a href="/2024/04/06/docker%E5%AD%A6%E4%B9%A0/">docker学习</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-04-06</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/开发学习/" title="开发学习">开发学习</a><span> </span></span></p><p class="post-abstract">## Docker
用于快速交付应用运行应用的技术
运用沙箱机制形成隔离容器，进行部署和交付 ## 镜像（image）
Docker中将应用程序和所需的依赖函数库环境等文件打包在一起 ## 容器
Container
镜像中应用程序运行后形成的进程就是容器，Docker会给容器做隔离对外不可见，一般是只读...</p></div><div class="post-container"><p class="post-title"><a href="/2024/03/30/%E9%9D%A2%E8%AF%95/">面试</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-03-30</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/面试补缺补漏/" title="面试补缺补漏">面试补缺补漏</a><span> </span></span></p><p class="post-abstract">设计模式问题
设计模式的分类 总体来说设计模式分为三大类：
·
创建型模式，共五种：工厂方法模式、抽象工厂模式、单例模式、建造者模式、原型模式。
·
结构型模式，共七种：适配器模式、装饰器模式、代理模式、外观模式、桥接模式、组合模式、享元模式。
·
行为型模式，共十一种：策略模式、模板方法模式、观察...</p></div><div class="post-container"><p class="post-title"><a href="/2024/02/28/%E7%AE%97%E6%B3%95%E6%89%93%E5%8D%A1%E7%AC%AC%E5%85%AD%E6%9C%9F/">算法打卡第六期</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-02-28</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/寒假算法打卡/" title="寒假算法打卡">寒假算法打卡</a><span> </span></span></p><p class="post-abstract">哈希表
##
字符串哈希 首先算出所有前缀的哈希值 如A B C D
（1,2,3,4） 1p^3+2p^2... mod q 即将字符串转换为p进制的数字。
一般 p=131或13331 Q=2^64 不会冲突 1.不能映射为0 2.Rp足够不会冲突 ##
DFS和BFS
代码模板
</p></div><div class="post-container"><p class="post-title"><a href="/2024/02/20/%E7%AE%97%E6%B3%95%E6%89%93%E5%8D%A1%E7%AC%AC%E4%BA%94%E6%9C%9F/">算法打卡第五期</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-02-20</span></p><p class="post-abstract">Tier
Trie树，用于快速存储和查找字符串集合的函数 存储字符串的方法 abcdef
abdef aced bcff ## 并查集 1.将两个 集合合并
2.询问两个元素是否在一个集合当中
belong[x]=a if(belong[x] == belong[y])(o1)
###
基本原理
...</p></div><div class="post-container"><p class="post-title"><a href="/2024/02/18/%E7%AE%97%E6%B3%95%E6%89%93%E5%8D%A1%E7%AC%AC%E5%9B%9B%E6%9C%9F/">算法打卡第四期</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-02-18</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/寒假算法打卡/" title="寒假算法打卡">寒假算法打卡</a><span> </span></span></p><p class="post-abstract">链表
动态链表
数组模拟链表
模拟单链表
最大应用是邻接表，用与储存图和树
双链表：用于优化某些问题 #### 数组模拟
双链表
e存值 ne存下一个节点的下标值 双链表四个 l[] r[] e[] head
单调栈和单调队列
题型比较固定 ### 滑动栈例题
实现一个...</p></div><div class="post-container"><p class="post-title"><a href="/2024/02/04/%E7%AE%97%E6%B3%95%E6%89%93%E5%8D%A1%E7%AC%AC%E4%B8%89%E6%9C%9F/">算法打卡第三期</a></p><p class="post-meta"><span class="date meta-item">Posted at 2024-02-04</span><span class="meta-item"><i class="fa fa-tag"></i><span> </span><a class="a-tag" href="/tags/寒假算法打卡/" title="寒假算法打卡">寒假算法打卡</a><span> </span></span></p><p class="post-abstract">双指针算法
将两个有序序列合并的算法。 1.
指向两个序列(归并排序) 2. 指向一个序列(快排) ### 一般模版 ### 核心思想
将朴素算法中的O(n2)优化为O(n).
由于i，j都是只跑了一遍完整的n，所以运算次数不会超过2n 找单调性。
### 例题1 给一句话，各个英文单词中用空...</p></div><div class="pagination no-margin-bottom"><p class="clearfix"><p> Page 1 / 2 </p><p><span class="pre pagbuttons"><i class="fa fa-angle-double-left"></i> <a role="navigation" href="/" aria-label="Previous">Previous</a></span><span> </span><span class="next pagbuttons"><a role="navigation" href="/page/2/" aria-label="Next">Next</a> <i class="fa fa-angle-double-right"></i></span></p></p></div></div></div><div class="visible-xs site-bottom-footer"><footer><p>© 2024 <a target="_blank" href="http://example.com" rel="noopener noreferrer">John Doe</a></p><p>Theme <a target="_blank" href="https://github.com/SumiMakito/hexo-theme-typography" rel="noopener noreferrer">Typography</a> by <a target="_blank" href="https://www.keep.moe" rel="noopener noreferrer">Makito</a></p><p>Proudly published with <a target="_blank" href="https://hexo.io" rel="noopener noreferrer">Hexo</a></p></footer></div></div></div></div><script src="/js/jquery-3.1.0.min.js"></script><script src="/js/bootstrap.min.js"></script><script src="/js/jquery-migrate-1.2.1.min.js"></script><script src="/js/jquery.appear.js"></script><script src="/js/google-analytics.js"></script><script src="/js/typography.js"></script></body></html>