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<a href="/2024/05/06/%E7%AE%97%E6%B3%95/FFT&NTT/" target="_self">
FFT&NTT
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FFT板子 构造两个vector，答案存储到第三个vector中 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878
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<a href="/categories/%E7%AE%97%E6%B3%95/" class="category-chain-item">算法</a>
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<a href="/categories/%E7%AE%97%E6%B3%95/%E6%95%B0%E8%AE%BA/" class="category-chain-item">数论</a>
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<a href="/tags/%E7%AE%97%E6%B3%95/">#算法</a>
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<a href="/2024/04/11/elasticsearch/go%E6%93%8D%E4%BD%9C/" target="_self">
go操作es
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</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/04/11/elasticsearch/go%E6%93%8D%E4%BD%9C/" target="_self">
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安装依赖安装客户端 1go get github.com/elastic/go-elasticsearch/v8@latest 导入依赖 1import "github.com/elastic/go-elasticsearch/v8" 可以根据实际需求导入不同的客户端版本，也支持在一个项目中导入不同的客户端版本。 12345678import ( elastics
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2024-04-11
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<a href="/tags/es/">#es</a>
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<a href="/2024/04/11/elasticsearch/%E5%9F%BA%E7%A1%80%E6%A6%82%E5%BF%B5/" target="_self">
es基本知识
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/04/11/elasticsearch/%E5%9F%BA%E7%A1%80%E6%A6%82%E5%BF%B5/" target="_self">
<div>
Elasticsearch能做什么基本概念 为APP或网站增加搜索功能 存储和分析日志、指标和安全事件数据 使用机器学习实时自动建模数据的行为 使用Elasticsearch作为存储引擎自动化业务工作流 使用Elasticsearch作为地理信息系统（GIS）管理、集成和分析空间信息 使用Elasticsearch作为生物信息学研究工具存储和处理遗传数据 Elasticsearch 架构与工作原
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<time datetime="2024-04-11 19:33" pubdate>
2024-04-11
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<i class="iconfont icon-category"></i>
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<a href="/categories/es/" class="category-chain-item">es</a>
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<i class="iconfont icon-tags"></i>
<a href="/tags/es/">#es</a>
</div>
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</article>
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<article class="col-12 col-md-12 mx-auto index-info">
<h2 class="index-header">
<a href="/2024/04/09/rabbitmq/go%E6%93%8D%E4%BD%9Crabbitmq/" target="_self">
go操作rabbitmq
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/04/09/rabbitmq/go%E6%93%8D%E4%BD%9Crabbitmq/" target="_self">
<div>
简单案例(默认交换机) 使用默认交换机的时候要用队列name作为key 生产者 通过指定路由键来发送消息，这里的路由键是队列名称。 消费者 必须监听相同的路由键（即队列名称），以接收生产者发送的消息。 生产者123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
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<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2024-04-09 20:33" pubdate>
2024-04-09
</time>
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<i class="iconfont icon-category"></i>
<span class="category-chains">
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<a href="/categories/rabbitmq/" class="category-chain-item">rabbitmq</a>
</span>
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<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/rabbitmq/">#rabbitmq</a>
</div>
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</article>
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<a href="/2024/04/08/go/go%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%93%8D%E4%BD%9C/" target="_self">
go语法
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/04/08/go/go%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%93%8D%E4%BD%9C/" target="_self">
<div>
stringBuilder12345678910111213141516171819202122package mainimport "fmt"import "bytes"func main() { str01 := "Hello," str02 := "world!" // 声明字节缓冲
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<i class="iconfont icon-date"></i>
<time datetime="2024-04-08 22:40" pubdate>
2024-04-08
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<a href="/categories/go/%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%93%8D%E4%BD%9C/" class="category-chain-item">字符串操作</a>
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<a href="/tags/go/">#go</a>
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<a href="/2024/04/01/kong/kong%20&%20konga/" target="_self">
kong
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/04/01/kong/kong%20&%20konga/" target="_self">
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kong & konga参考笔记 中文文档 下载第1步：创建Docker网络首先，创建一个Docker网络kong-net，这样你的服务可以在隔离的网络空间中通信。 1docker network create kong-net 第2步：安装并启动PostgreSQL容器运行以下命令来启动PostgreSQL容器，使用kong-net网络，并设置环境变量来配置数据库用户、密码和数据库名。
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<time datetime="2024-04-01 13:50" pubdate>
2024-04-01
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<a href="/categories/%E5%BE%AE%E6%9C%8D%E5%8A%A1/" class="category-chain-item">微服务</a>
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<a href="/categories/%E5%BE%AE%E6%9C%8D%E5%8A%A1/kong/" class="category-chain-item">kong</a>
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<a href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/CPU/" target="_self">
CPU
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/CPU/" target="_self">
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存储器的层次结构 寄存器； CPU Cache； L1-Cache； L2-Cache； L3-Cahce； 内存； SSD/HDD 硬盘 每个 CPU 核心都有一块属于自己的 L1 高速缓存，指令和数据在 L1 是分开存放的，所以 L1 高速缓存通常分成指令缓存和数据缓存。 L2 高速缓存同样每个 CPU 核心都有，但是 L2 高速缓存位置比 L1 高速缓存距离 CPU 核心 更
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<time datetime="2024-03-31 21:05" pubdate>
2024-03-31
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<a href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E5%86%85%E5%AD%98%E7%AE%A1%E7%90%86/" target="_self">
虚拟内存
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</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E5%86%85%E5%AD%98%E7%AE%A1%E7%90%86/" target="_self">
<div>
虚拟内存操作系统会提供一种机制，将不同进程的虚拟地址和不同内存的物理地址映射起来。 如果程序要访问虚拟地址的时候，由操作系统转换成不同的物理地址，这样不同的进程运行的时候，写入的是不同的物理地址，这样就不会冲突了。 我们程序所使用的内存地址叫做虚拟内存地址（Virtual Memory Address） 实际存在硬件里面的空间地址叫物理内存地址（Physical Memory Address）。
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<time datetime="2024-03-31 21:05" pubdate>
2024-03-31
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<a href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E5%86%85%E6%A0%B8/" target="_self">
linux内核
</a>
</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E5%86%85%E6%A0%B8/" target="_self">
<div>
内核计算机是由各种外部硬件设备组成的，比如内存、cpu、硬盘等，如果每个应用都要和这些硬件设备对接通信协议，那这样太累了，所以这个中间人就由内核来负责，让内核作为应用连接硬件设备的桥梁，应用程序只需关心与内核交互，不用关心硬件的细节。、 内核一般会提供 4 个基本能力 管理进程、线程，决定哪个进程、线程使用 CPU，也就是进程调度的能力； 管理内存，决定内存的分配和回收，也就是内存管理的能力；
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2024-03-31
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<a href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E4%B8%AD%E6%96%AD/" target="_self">
中断
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</h2>
<a class="index-excerpt index-excerpt__noimg" href="/2024/03/31/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E4%B8%AD%E6%96%AD/" target="_self">
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中断是什么中断是系统用来响应硬件设备请求的一种机制，操作系统收到硬件的中断请求，会打断正在执行的进程，然后调用内核中的中断处理程序来响应请求。 什么是软中断？中断请求的处理程序应该要短且快，这样才能减少对正常进程运行调度地影响，而且中断处理程序可能会暂时关闭中断，这时如果中断处理程序执行时间过长，可能在还未执行完中断处理程序前，会丢失当前其他设备的中断请求。 那 Linux 系统为了解决中断处理程
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