docker构建镜像 发布镜像

Dockerfile命令大全

# 引用
FROM centos
# 作者信息
MAINTAINER vitcloud.com>

# 运行环境路径
ENV MYPATH /usr/local
WORKDIR $MYPATH

# java软件环境
# 配置java环境目录
ENV JAVA_HOME /usr/local/jdk1.8.0_191
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
# 配置tomcat环境目录
ENV CATALINA_HOME /usr/local/apache-tomcat-9.0.58
ENV CATALINA_BASE /usr/local/apache-tomcat-9.0.58
# path路径
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin


# 安装第三方
RUN yum -y install vim			# vim
RUN yum -y install net-tools	# 网络

# python
RUN pip install flsk

# 暴露端口
EXPOSE 80

# 输出
CMD echo "------end------"

# 执行指令
CMD /bin/bash			# 只有最后一个会生效,可被替代
ENTRYPOINT ["ls","-a"]	# 可以追加命令

1 构建centos

1.1 Dockerfile

FROM centos
MAINTAINER vitcloud

ENV MYPATH /usr/local
WORKDIR $MYPATH

RUN yum -y install vim
RUN yum -y install net-tools

# 暴露端口
EXPOSE 80

CMD echo "------end------"
CMD /bin/bash

1.2 生成自己的容器镜像

名字:centos-base(若带版本 centos-base:1.0)
-f: dockerfile地址()

docker build -f ./Dockerfile -t centos-base .
docker build -f ./Dockerfile -t centos-base:1.0 .

1.3 运行(启动容器)

docker run -it centos-base

2 构建java环境(包含tomcat)

2.1 Dockerfile

FROM centos
MAINTAINER vitcloud.com>

COPY readme.txt /usr/local/readme.txt

# 添加 软件包
ADD jdk-8u191-linux-x64.tar.gz /usr/local/
ADD apache-tomcat-9.0.58.tar.gz /usr/local/

# 安装vim
RUN yum -y install vim

# 配置环境目录
ENV MYPATH /usr/lcoal
WORKDIR $MYPATH

# 配置java环境目录
ENV JAVA_HOME /usr/local/jdk1.8.0_191
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

# 配置tomcat环境目录
ENV CATALINA_HOME /usr/local/apache-tomcat-9.0.58
ENV CATALINA_BASE /usr/local/apache-tomcat-9.0.58

# path路径
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin

# 暴露端口
EXPOSE 8080

# 运行脚本
CMD /usr/local/apache-tomcat-9.0.58/bin/startup.sh && tail -F /usr/local/apache-tomcat-9.0.58/bin/logs/catalina.out

2.2 构建镜像

docker build -t vitcloud-tomcat .

2.3 启动容器

docker run -d -p 9090:8080 \
-v /usr/local/docker-build/tomcat/test:/usr/local/apache-tomcat-9.0.58/webapps/test \
-v /home/vitcloud-docker-build/tomcatlogs/:/usr/local/apache-tomcat-9.0.58/logs \
--name blog-tomcat \
vitcloud-tomcat

交互方式进入

docker exec -it 654c26bc7abb /bin/bash

2.4 发布项目

由于做了卷挂载,我们字节在本地编写项目就可以发布了

-app version="3.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID">
</web-app>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>


"UTF-8">
云间来客<<span class="token operator">/</span>title>
<<span class="token operator">/</span>head>
<body>
    <div>测试日志<<span class="token operator">/</span>div>
<<span class="token operator">/</span>body>
<<span class="token operator">/</span>html>
</code></pre> 
  <h2>3 centos7-python38</h2> 
  <ul> 
   <li>centos7.6.1810</li> 
   <li>python 3.8.5</li> 
  </ul> 
  <h3>3.1 <code>Dockerfile</code></h3> 
  <p>https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz</p> 
  <pre><code class="prism language-powershell"><span class="token keyword">FROM</span> centos:7<span class="token punctuation">.</span>6<span class="token punctuation">.</span>1810
MAINTAINER vitcloud<vitcloud@163<span class="token punctuation">.</span>com>
RUN <span class="token function">set</span> <span class="token operator">-</span>ex \
    <span class="token comment"># 预安装所需组件</span>
    && yum install <span class="token operator">-</span>y wget tar libffi<span class="token operator">-</span>devel zlib<span class="token operator">-</span>devel bzip2<span class="token operator">-</span>devel openssl<span class="token operator">-</span>devel ncurses<span class="token operator">-</span>devel sqlite<span class="token operator">-</span>devel readline<span class="token operator">-</span>devel tk<span class="token operator">-</span>devel gcc make initscripts \
    && wget https:<span class="token operator">/</span><span class="token operator">/</span>www<span class="token punctuation">.</span>python<span class="token punctuation">.</span>org<span class="token operator">/</span>ftp<span class="token operator">/</span>python<span class="token operator">/</span>3<span class="token punctuation">.</span>8<span class="token punctuation">.</span>5<span class="token operator">/</span>Python<span class="token operator">-</span>3<span class="token punctuation">.</span>8<span class="token punctuation">.</span>5<span class="token punctuation">.</span>tgz \
    && tar <span class="token operator">-</span>zxvf Python<span class="token operator">-</span>3<span class="token punctuation">.</span>8<span class="token punctuation">.</span>5<span class="token punctuation">.</span>tgz \
    && cd Python<span class="token operator">-</span>3<span class="token punctuation">.</span>8<span class="token punctuation">.</span>5 \
    && <span class="token punctuation">.</span><span class="token operator">/</span>configure prefix=<span class="token operator">/</span>usr<span class="token operator">/</span>local<span class="token operator">/</span>python3 \
    && make \
    && make install \
    && make clean \
    && <span class="token function">rm</span> <span class="token operator">-</span>rf <span class="token operator">/</span>Python<span class="token operator">-</span>3<span class="token punctuation">.</span>8<span class="token punctuation">.</span>5<span class="token operator">*</span> \
    && yum install <span class="token operator">-</span>y epel<span class="token operator">-</span>release \
    && yum install <span class="token operator">-</span>y python<span class="token operator">-</span>pip
<span class="token comment"># 设置默认为python3</span>
RUN <span class="token function">set</span> <span class="token operator">-</span>ex \
    <span class="token comment"># 备份旧版本python</span>
    && <span class="token function">mv</span> <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>python <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>python27 \
    && <span class="token function">mv</span> <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>pip <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>pip27 \
    <span class="token comment"># 配置默认为python3</span>
    && ln <span class="token operator">-</span>s <span class="token operator">/</span>usr<span class="token operator">/</span>local<span class="token operator">/</span>python3<span class="token operator">/</span>bin<span class="token operator">/</span>python3<span class="token punctuation">.</span>8 <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>python \
    && ln <span class="token operator">-</span>s <span class="token operator">/</span>usr<span class="token operator">/</span>local<span class="token operator">/</span>python3<span class="token operator">/</span>bin<span class="token operator">/</span>pip3 <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>pip
<span class="token comment"># 修复因修改python版本导致yum失效问题</span>
RUN <span class="token function">set</span> <span class="token operator">-</span>ex \
    && sed <span class="token operator">-</span>i <span class="token string">"s#/usr/bin/python#/usr/bin/python2.7#"</span> <span class="token operator">/</span>usr<span class="token operator">/</span>bin<span class="token operator">/</span>yum \
    && sed <span class="token operator">-</span>i <span class="token string">"s#/usr/bin/python#/usr/bin/python2.7#"</span> <span class="token operator">/</span>usr<span class="token operator">/</span>libexec<span class="token operator">/</span>urlgrabber<span class="token operator">-</span>ext<span class="token operator">-</span>down \
    && yum install <span class="token operator">-</span>y deltarpm
<span class="token comment"># 基础环境配置</span>
RUN <span class="token function">set</span> <span class="token operator">-</span>ex \
    <span class="token comment"># 修改系统时区为东八区</span>
    && <span class="token function">rm</span> <span class="token operator">-</span>rf <span class="token operator">/</span>etc<span class="token operator">/</span>localtime \
    && ln <span class="token operator">-</span>s <span class="token operator">/</span>usr<span class="token operator">/</span>share<span class="token operator">/</span>zoneinfo<span class="token operator">/</span>Asia<span class="token operator">/</span>Shanghai <span class="token operator">/</span>etc<span class="token operator">/</span>localtime \
    && yum install <span class="token operator">-</span>y vim \
    <span class="token comment"># 安装定时任务组件</span>
    && yum <span class="token operator">-</span>y install cronie
<span class="token comment"># 支持中文</span>
RUN yum install kde<span class="token operator">-</span>l10n<span class="token operator">-</span>Chinese <span class="token operator">-</span>y
RUN localedef <span class="token operator">-</span>c <span class="token operator">-</span>f UTF<span class="token operator">-</span>8 <span class="token operator">-</span>i zh_CN zh_CN<span class="token punctuation">.</span>utf8
<span class="token comment"># 更新pip版本</span>
RUN pip install <span class="token operator">--</span>upgrade pip
ENV LC_ALL zh_CN<span class="token punctuation">.</span>UTF<span class="token operator">-</span>8
</code></pre> 
  <h3>3.2 构建</h3> 
  <pre><code class="prism language-powershell">docker build <span class="token operator">-</span>t centos7<span class="token operator">-</span>python38 <span class="token punctuation">.</span>
</code></pre> 
  <h3>3.3 容器启动</h3> 
  <pre><code class="prism language-powershell">docker run <span class="token operator">-</span>itd \
<span class="token operator">--</span>restart always <span class="token operator">--</span>privileged=true \
<span class="token operator">-</span>v <span class="token operator">/</span>root<span class="token operator">/</span>dockers<span class="token operator">/</span>python:<span class="token operator">/</span>root<span class="token operator">/</span>python \
<span class="token operator">-</span>v <span class="token operator">/</span>root<span class="token operator">/</span>dockers<span class="token operator">/</span>python<span class="token operator">/</span>cron:<span class="token operator">/</span><span class="token keyword">var</span><span class="token operator">/</span>spool<span class="token operator">/</span>cron <span class="token operator">/</span>usr<span class="token operator">/</span>sbin<span class="token operator">/</span>init
python:37
<span class="token operator">--</span>name python
</code></pre> 
  <h2>9 commit、push、save</h2> 
  <h3>9.1 将容器提交镜像 commit</h3> 
  <pre><code class="prism language-powershell">docker commit 提交同期成为一个副本

<span class="token comment"># 命令和git原理类似</span>
docker commit <span class="token operator">-</span>m=<span class="token string">"提交的描述信息"</span> <span class="token operator">-</span>a=<span class="token string">"作者"</span> 容器id 目标镜像名:<span class="token namespace">[TAG]</span>
</code></pre> 
  <p>案例</p> 
  <pre><code class="prism language-powershell">docker commit <span class="token operator">-</span>a=<span class="token string">"有勇气的牛排"</span> <span class="token operator">-</span>m=<span class="token string">"add webapps app"</span> 48629b5a69d2 tomcat02:1<span class="token punctuation">.</span>0
</code></pre> 
  <h3>9.2 发布镜像 push</h3> 
  <blockquote> 
   <p>DockerHub<br> 地址:https://hub.docker.com/</p> 
  </blockquote> 
  <pre><code class="prism language-powershell"><span class="token comment"># 帮助</span>
docker login <span class="token operator">--</span>help

<span class="token comment"># 登录</span>
docker login <span class="token operator">-</span>u 用户名

<span class="token comment"># 推动自己的镜像到 DockerHub</span>
docker push vitcloud<span class="token operator">/</span>tomcat:1<span class="token punctuation">.</span>0
</code></pre> 
  <p>给镜像添加tag</p> 
  <pre><code class="prism language-powershell">docker tag d89b35c35d33 vitcloud<span class="token operator">/</span>tomcat:1<span class="token punctuation">.</span>0
</code></pre> 
  <blockquote> 
   <p>发布到阿里云镜像服务</p> 
  </blockquote> 
  <p>创建命名空间<br> 创建容器镜像服务<br> 创建命名空间<br> 创建容器镜像<br> 浏览阿里云</p> 
  <pre><code class="prism language-powershell"><span class="token comment"># 登录阿里云</span>
docker login <span class="token operator">--</span>username=1809296387@qq<span class="token punctuation">.</span>com registry<span class="token punctuation">.</span>cn<span class="token operator">-</span>zhangjiakou<span class="token punctuation">.</span>aliyuncs<span class="token punctuation">.</span>com

<span class="token comment"># 给镜像生成版本号</span>
docker tag <span class="token namespace">[ImageId]</span> registry<span class="token punctuation">.</span>cn<span class="token operator">-</span>zhangjiakou<span class="token punctuation">.</span>aliyuncs<span class="token punctuation">.</span>com<span class="token operator">/</span>warm<span class="token operator">-</span>test<span class="token operator">/</span>charles<span class="token operator">-</span>test:<span class="token punctuation">[</span>镜像版本号<span class="token punctuation">]</span>

<span class="token comment"># 推送</span>
docker push registry<span class="token punctuation">.</span>cn<span class="token operator">-</span>zhangjiakou<span class="token punctuation">.</span>aliyuncs<span class="token punctuation">.</span>com<span class="token operator">/</span>warm<span class="token operator">-</span>test<span class="token operator">/</span>diytomcat:1<span class="token punctuation">.</span>0

docker push vitcloud<span class="token operator">/</span>tomcat:1<span class="token punctuation">.</span>0

docker push registry<span class="token punctuation">.</span>cn<span class="token operator">-</span>zhangjiakou<span class="token punctuation">.</span>aliyuncs<span class="token punctuation">.</span>com<span class="token operator">/</span>warm<span class="token operator">-</span>test<span class="token operator">/</span>charles<span class="token operator">-</span>test:<span class="token punctuation">[</span>镜像版本号<span class="token punctuation">]</span>
</code></pre> 
  <h3>9.3 save</h3> 
  <p>将镜像保存到本地</p> 
  <pre><code class="prism language-powershell">docker save <span class="token operator">-</span>o centos7<span class="token operator">-</span>python38_2<span class="token punctuation">.</span>0<span class="token punctuation">.</span>tar centos7<span class="token operator">-</span>python38:2<span class="token punctuation">.</span>0
</code></pre> 
  <p>加载本地镜像</p> 
  <pre><code class="prism language-powershell">docker load <span class="token operator">-</span>i centos7<span class="token operator">-</span>python38_2<span class="token punctuation">.</span>0<span class="token punctuation">.</span>tar
</code></pre> 
  <p><a href="http://img.e-com-net.com/image/info8/dc5fda318bbf44d4b300105c74164f26.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/dc5fda318bbf44d4b300105c74164f26.jpg" alt="docker构建镜像 发布镜像_第1张图片" width="344" height="344" style="border:1px solid black;"></a></p> 
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                        <div>目录前言基本使用教程新建远程连接连接主机自定义命令路由追踪前言后端开发,必然需要和服务器打交道,部署应用,排查问题,查看运行日志等等。一般服务器都是集中部署在机房中,也有一些直接是云服务器,总而言之,程序员不可能直接和服务器直接操作,一般都是通过ssh连接来登录服务器。刚接触远程连接时,使用的是XSHELL来远程连接服务器,连接上就能够操作远程服务器了,但是仅用XSHELL并没有上传下载文件的功能</div>
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                        <span class="text-muted">大猪大猪</span>

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                        <span class="text-muted">date分享</span>

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                        <span class="text-muted">igotyback</span>
<a class="tag" taget="_blank" href="/search/eureka/1.htm">eureka</a><a class="tag" taget="_blank" href="/search/%E4%BA%91%E5%8E%9F%E7%94%9F/1.htm">云原生</a>
                        <div>Docker容器的文件系统是隔离的,但是可以通过挂载卷(Volumes)或绑定挂载(BindMounts)将宿主机的文件系统目录映射到容器内部。要查看Docker容器的映射路径,可以使用以下方法:查看容器配置:使用dockerinspect命令可以查看容器的详细配置信息,包括挂载的卷。例如:bashdockerinspect在输出的JSON格式中,查找"Mounts"部分,这里会列出所有的挂载信息</div>
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                        <span class="text-muted">Energet!c</span>
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                        <span class="text-muted">Energet!c</span>
<a class="tag" taget="_blank" href="/search/Linux%E6%97%A5%E5%B8%B8/1.htm">Linux日常</a><a class="tag" taget="_blank" href="/search/centos/1.htm">centos</a><a class="tag" taget="_blank" href="/search/linux/1.htm">linux</a><a class="tag" taget="_blank" href="/search/%E8%BF%90%E7%BB%B4/1.htm">运维</a>
                        <div>CentOS的根目录下,/bin和/sbin用途和权限一、/bin(Binary)二、/sbin(SystemBinary)三、总结在CentOS的根目录下,/bin和/sbin目录有不同的用途和权限一、/bin(Binary)用途:存放系统的基本命令,这些命令对所有用户都是可用的。例如:ls、cp、mv、rm等。权限:普通用户和系统管理员都可以使用这些命令。二、/sbin(SystemBinar</div>
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                        <span class="text-muted">码哝小鱼</span>
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                        <span class="text-muted">TPBoreas</span>
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                        <div>一、tail这个是我最常用的一种查看方式用法如下:tail-n10test.log查询日志尾部最后10行的日志;tail-n+10test.log查询10行之后的所有日志;tail-fn10test.log循环实时查看最后1000行记录(最常用的)一般还会配合着grep用,(实时抓包)例如:tail-fn1000test.log|grep'关键字'(动态抓包)tail-fn1000test.log</div>
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<a class="tag" taget="_blank" href="/search/%E5%AD%A6%E6%88%90%E5%9C%A8%E7%BA%BF/1.htm">学成在线</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/rabbitmq/1.htm">rabbitmq</a><a class="tag" taget="_blank" href="/search/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/1.htm">消息队列</a><a class="tag" taget="_blank" href="/search/%E6%94%AF%E4%BB%98%E9%80%9A%E7%9F%A5/1.htm">支付通知</a><a class="tag" taget="_blank" href="/search/%E5%AD%A6%E6%88%90%E5%9C%A8%E7%BA%BF/1.htm">学成在线</a>
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                        <span class="text-muted">sand&wich</span>
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                        <div>背景在处理大规模数据集时,通常需要在不同存储设备、不同服务器或文件夹之间高效地传输数据。如果采用单线程传输方式,当数据量非常大时,整个过程会非常耗时。因此,通过多线程并行处理可以大幅提升数据传输效率。本文将分享一个基于Python多线程实现的高效数据传输工具,通过遍历源文件夹中的所有文件,将它们移动到目标文件夹。工具和库这个数据集转移工具主要依赖于以下Python标准库:os:用于文件系统操作,如</div>
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<a class="tag" taget="_blank" href="/search/%E7%B3%BB%E7%BB%9F%E6%9E%B6%E6%9E%84/1.htm">系统架构</a><a class="tag" taget="_blank" href="/search/%E7%B3%BB%E7%BB%9F%E6%9E%B6%E6%9E%84/1.htm">系统架构</a><a class="tag" taget="_blank" href="/search/%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1/1.htm">负载均衡</a><a class="tag" taget="_blank" href="/search/nginx/1.htm">nginx</a>
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                           title="【2023年】云计算金砖牛刀小试6" target="_blank">【2023年】云计算金砖牛刀小试6</a>
                        <span class="text-muted">geekgold</span>
<a class="tag" taget="_blank" href="/search/%E4%BA%91%E8%AE%A1%E7%AE%97/1.htm">云计算</a><a class="tag" taget="_blank" href="/search/%E6%9C%8D%E5%8A%A1%E5%99%A8/1.htm">服务器</a><a class="tag" taget="_blank" href="/search/%E7%BD%91%E7%BB%9C/1.htm">网络</a><a class="tag" taget="_blank" href="/search/kubernetes/1.htm">kubernetes</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>第一套【任务1】私有云服务搭建[10分]【题目1】基础环境配置[0.5分]使用提供的用户名密码,登录提供的OpenStack私有云平台,在当前租户下,使用CentOS7.9镜像,创建两台云主机,云主机类型使用4vCPU/12G/100G_50G类型。当前租户下默认存在一张网卡,自行创建第二张网卡并连接至controller和compute节点(第二张网卡的网段为10.10.X.0/24,X为工位号</div>
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                        <span class="text-muted">Dante617</span>

                        <div>1Docker的安装https://blog.csdn.net/weixin_41735055/article/details/1003551792下载镜像dockerpullprogramize/python3.6.8-dlib下载的镜像里包含python3.6.8和dlib19.17.03启动镜像dockerrun-it--namekinship-p7777:80-p3307:3306-p55</div>
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                        <span class="text-muted">weixin_39722188</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/from%E6%8C%87%E4%BB%A4%E7%9A%84%E5%90%AB%E4%B9%89/1.htm">from指令的含义</a>
                        <div>小编典典什么是基本图片?一组文件,加上EXPOSE端口ENTRYPOINT和CMD。您可以添加文件并基于该基础图像构建新图像,Dockerfile并以FROM指令开头:后面提到的图像FROM是新图像的“基础图像”。这是否意味着如果我neo4j/neo4j在FROM指令中声明,则在运行映像时,neo数据库将自动运行并且可在端口7474的容器中使用?仅当您不覆盖CMD和时ENTRYPOINT。但是图像</div>
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                        <span class="text-muted">redDelta</span>

                        <div>Docker相关视频讲解:什么是容器Docker介绍实现"DockerfileFROM两个"的步骤步骤表格步骤操作1创建一个Dockerfile文件2写入FROM指令3构建第一个镜像4创建第二个Dockerfile文件5写入FROM指令6构建第二个镜像7合并两个镜像操作步骤说明步骤1:创建一个Dockerfile文件使用任意文本编辑器创建一个名为Dockerfile的文件。登录后复制#Docker</div>
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                           title="Dockerfile命令详解之 FROM" target="_blank">Dockerfile命令详解之 FROM</a>
                        <span class="text-muted">清风怎不知意</span>
<a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8%E5%8C%96/1.htm">容器化</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%89%8D%E7%AB%AF/1.htm">前端</a><a class="tag" taget="_blank" href="/search/javascript/1.htm">javascript</a>
                        <div>许多同学不知道Dockerfile应该如何写,不清楚Dockerfile中的指令分别有什么意义,能达到什么样的目的,接下来我将在容器化专栏中详细的为大家解释每一个指令的含义以及用法。专栏订阅传送门https://blog.csdn.net/qq_38220908/category_11989778.html指令不区分大小写。但是,按照惯例,它们应该是大写的,以便更容易地将它们与参数区分开来。(引用</div>
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                    <li><a href="/article/1835394786899619840.htm"
                           title="Dockerfile(1) - FROM 指令详解" target="_blank">Dockerfile(1) - FROM 指令详解</a>
                        <span class="text-muted">小菠萝测试笔记</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/python/1.htm">python</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/cmd/1.htm">cmd</a><a class="tag" taget="_blank" href="/search/%E5%A4%A7%E6%95%B0%E6%8D%AE/1.htm">大数据</a>
                        <div>FROM指明当前的镜像基于哪个镜像构建dockerfile必须以FROM开头,除了ARG命令可以在FROM前面FROM[--platform=][AS]FROM[--platform=][:][AS]FROM[--platform=][@][AS]小栗子FROMalpine:latest一个dockerfile可以有多个FROM可以有多个FROM来创建多个镜像,或区分构建阶段,将一个构建阶段作为另</div>
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                           title="L1 L2 L3 缓存" target="_blank">L1 L2 L3 缓存</a>
                        <span class="text-muted">京天不下雨</span>
<a class="tag" taget="_blank" href="/search/windows/1.htm">windows</a><a class="tag" taget="_blank" href="/search/%E7%BC%93%E5%AD%98/1.htm">缓存</a><a class="tag" taget="_blank" href="/search/windows/1.htm">windows</a>
                        <div>L1L2L3缓存L1Cache(一级bai缓存)是CPU第一层高速缓存,分为数据缓存和指令缓存。du内置的zhiL1高速缓存的容量和结构对daoCPU的性能影响较大,不过高速缓冲存储器均由静态RAM组成,结构较复杂,在CPU管芯面积不能太大的情况下,L1级高速缓存的容量不可能做得太大。一般服务器CPU的L1缓存的容量通常在32—4096KB。L2由于L1级高速缓存容量的限制,为了再次提高CPU的运</div>
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                           title="golang实现从服务器下载文件到本地指定目录" target="_blank">golang实现从服务器下载文件到本地指定目录</a>
                        <span class="text-muted">余生逆风飞翔</span>
<a class="tag" taget="_blank" href="/search/golang/1.htm">golang</a><a class="tag" taget="_blank" href="/search/%E6%9C%8D%E5%8A%A1%E5%99%A8/1.htm">服务器</a><a class="tag" taget="_blank" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm">开发语言</a>
                        <div>一、连接服务器,采用sftp连接模式packagemiddlewaresimport("fmt""time""github.com/pkg/sftp""golang.org/x/crypto/ssh")//建立服务器连接funcConnect(user,password,hoststring,portint)(*sftp.Client,error){var(auth[]ssh.AuthMethod</div>
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                                <li><a href="/article/111.htm"
                                       title="JAVA基础" target="_blank">JAVA基础</a>
                                    <span class="text-muted">灵静志远</span>
<a class="tag" taget="_blank" href="/search/%E4%BD%8D%E8%BF%90%E7%AE%97/1.htm">位运算</a><a class="tag" taget="_blank" href="/search/%E5%8A%A0%E8%BD%BD/1.htm">加载</a><a class="tag" taget="_blank" href="/search/Date/1.htm">Date</a><a class="tag" taget="_blank" href="/search/%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%B1%A0/1.htm">字符串池</a><a class="tag" taget="_blank" href="/search/%E8%A6%86%E7%9B%96/1.htm">覆盖</a>
                                    <div>一、类的初始化顺序 
1 (静态变量,静态代码块)-->(变量,初始化块)--> 构造器 
 同一括号里的,根据它们在程序中的顺序来决定。上面所述是同一类中。如果是继承的情况,那就在父类到子类交替初始化。 
 
二、String 
1 String a = "abc"; 
 JAVA虚拟机首先在字符串池中查找是否已经存在了值为"abc"的对象,根</div>
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                                       title="keepalived实现redis主从高可用" target="_blank">keepalived实现redis主从高可用</a>
                                    <span class="text-muted">bylijinnan</span>
<a class="tag" taget="_blank" href="/search/redis/1.htm">redis</a>
                                    <div>方案说明 
 
两台机器(称为A和B),以统一的VIP对外提供服务 
1.正常情况下,A和B都启动,B会把A的数据同步过来(B is slave of A) 
2.当A挂了后,VIP漂移到B;B的keepalived 通知redis 执行:slaveof no one,由B提供服务 
3.当A起来后,VIP不切换,仍在B上面;而A的keepalived 通知redis 执行slaveof B,开始</div>
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                                       title="java文件操作大全" target="_blank">java文件操作大全</a>
                                    <span class="text-muted">0624chenhong</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a>
                                    <div>最近在博客园看到一篇比较全面的文件操作文章,转过来留着。 
 
http://www.cnblogs.com/zhuocheng/archive/2011/12/12/2285290.html 
 
转自http://blog.sina.com.cn/s/blog_4a9f789a0100ik3p.html 
 
 
一.获得控制台用户输入的信息 
 
   &nbs</div>
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                                    <span class="text-muted">不懂事的小屁孩</span>
<a class="tag" taget="_blank" href="/search/%E5%B7%A5%E4%BD%9C/1.htm">工作</a>
                                    <div>任务 
完成情况   搞清楚带箭头的pupupwindows和不带的使用 已完成   熟练使用pupupwindows和alertdialog,并搞清楚两者的区别 已完成   熟练使用android的线程handler,并敲示例代码 进行中   了解游戏2048的流程,并完成其代码工作 进行中-差几个actionbar   研究一下android的动画效果,写一个实例 已完成   复习fragem</div>
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                                    <span class="text-muted">换个号韩国红果果</span>
<a class="tag" taget="_blank" href="/search/oom/1.htm">oom</a>
                                    <div>它的基于bootstrap 的 
https://raw.github.com/twbs/bootstrap/master/js/transition.js  transition.js模块引用顺序 
 

<link rel="stylesheet" href="style/zoom.css">
<script src=&q</div>
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                                       title="详解Oracle云操作系统Solaris 11.2" target="_blank">详解Oracle云操作系统Solaris 11.2</a>
                                    <span class="text-muted">蓝儿唯美</span>
<a class="tag" taget="_blank" href="/search/Solaris/1.htm">Solaris</a>
                                    <div>当Oracle发布Solaris 11时,它将自己的操作系统称为第一个面向云的操作系统。Oracle在发布Solaris 11.2时继续它以云为中心的基调。但是,这些说法没有告诉我们为什么Solaris是配得上云的。幸好,我们不需要等太久。Solaris11.2有4个重要的技术可以在一个有效的云实现中发挥重要作用:OpenStack、内核域、统一存档(UA)和弹性虚拟交换(EVS)。  </div>
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                                       title="spring学习——springmvc(一)" target="_blank">spring学习——springmvc(一)</a>
                                    <span class="text-muted">a-john</span>
<a class="tag" taget="_blank" href="/search/springMVC/1.htm">springMVC</a>
                                    <div>Spring MVC基于模型-视图-控制器(Model-View-Controller,MVC)实现,能够帮助我们构建像Spring框架那样灵活和松耦合的Web应用程序。 
  
1,跟踪Spring MVC的请求 
请求的第一站是Spring的DispatcherServlet。与大多数基于Java的Web框架一样,Spring MVC所有的请求都会通过一个前端控制器Servlet。前</div>
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                                    <span class="text-muted">aijuans</span>
<a class="tag" taget="_blank" href="/search/%E6%95%B0%E8%AE%BA/1.htm">数论</a>
                                    <div>水题就不多说什么了。 
#include<iostream>#include<cstdlib>#include<stdio.h>#define ll __int64using namespace std;int main(){    int t;    ll n;    scanf("%d",&t);    while(t--)   </div>
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                                       title="EJB和javabean的区别" target="_blank">EJB和javabean的区别</a>
                                    <span class="text-muted">asia007</span>
<a class="tag" taget="_blank" href="/search/bean/1.htm">bean</a><a class="tag" taget="_blank" href="/search/ejb/1.htm">ejb</a>
                                    <div>EJB不是一般的JavaBean,EJB是企业级JavaBean,EJB一共分为3种,实体Bean,消息Bean,会话Bean,书写EJB是需要遵循一定的规范的,具体规范你可以参考相关的资料.另外,要运行EJB,你需要相应的EJB容器,比如Weblogic,Jboss等,而JavaBean不需要,只需要安装Tomcat就可以了 
  
1.EJB用于服务端应用开发, 而JavaBeans</div>
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                                <li><a href="/article/1254.htm"
                                       title="Struts的action和Result总结" target="_blank">Struts的action和Result总结</a>
                                    <span class="text-muted">百合不是茶</span>
<a class="tag" taget="_blank" href="/search/struts/1.htm">struts</a><a class="tag" taget="_blank" href="/search/Action%E9%85%8D%E7%BD%AE/1.htm">Action配置</a><a class="tag" taget="_blank" href="/search/Result%E9%85%8D%E7%BD%AE/1.htm">Result配置</a>
                                    <div>  
  
一:Action的配置详解: 
     下面是一个Struts中一个空的Struts.xml的配置文件 
    
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
	&quo</div>
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                                       title="如何带好自已的团队" target="_blank">如何带好自已的团队</a>
                                    <span class="text-muted">bijian1013</span>
<a class="tag" taget="_blank" href="/search/%E9%A1%B9%E7%9B%AE%E7%AE%A1%E7%90%86/1.htm">项目管理</a><a class="tag" taget="_blank" href="/search/%E5%9B%A2%E9%98%9F%E7%AE%A1%E7%90%86/1.htm">团队管理</a><a class="tag" taget="_blank" href="/search/%E5%9B%A2%E9%98%9F/1.htm">团队</a>
                                    <div>在网上看到博客" 
怎么才能让团队成员好好干活"的评论,觉得写的比较好。   原文如下:   我做团队管理有几年了吧,我和你分享一下我认为带好团队的几点: 
1.诚信 
        对团队内成员,无论是技术研究、交流、问题探讨,要尽可能的保持一种诚信的态度,用心去做好,你的团队会感觉得到。   2.努力提</div>
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                                       title="Java代码混淆工具" target="_blank">Java代码混淆工具</a>
                                    <span class="text-muted">sunjing</span>
<a class="tag" taget="_blank" href="/search/ProGuard/1.htm">ProGuard</a>
                                    <div>Open Source Obfuscators 
ProGuard 
http://java-source.net/open-source/obfuscators/proguardProGuard is a free Java class file shrinker and obfuscator. It can detect and remove unused classes, fields, m</div>
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                                       title="【Redis三】基于Redis sentinel的自动failover主从复制" target="_blank">【Redis三】基于Redis sentinel的自动failover主从复制</a>
                                    <span class="text-muted">bit1129</span>
<a class="tag" taget="_blank" href="/search/redis/1.htm">redis</a>
                                    <div>在第二篇中使用2.8.17搭建了主从复制,但是它存在Master单点问题,为了解决这个问题,Redis从2.6开始引入sentinel,用于监控和管理Redis的主从复制环境,进行自动failover,即Master挂了后,sentinel自动从从服务器选出一个Master使主从复制集群仍然可以工作,如果Master醒来再次加入集群,只能以从服务器的形式工作。 
  什么是Sentine</div>
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                                       title="使用代理实现Hibernate Dao层自动事务" target="_blank">使用代理实现Hibernate Dao层自动事务</a>
                                    <span class="text-muted">白糖_</span>
<a class="tag" taget="_blank" href="/search/DAO/1.htm">DAO</a><a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/AOP/1.htm">AOP</a><a class="tag" taget="_blank" href="/search/%E6%A1%86%E6%9E%B6/1.htm">框架</a><a class="tag" taget="_blank" href="/search/Hibernate/1.htm">Hibernate</a>
                                    <div>都说spring利用AOP实现自动事务处理机制非常好,但在只有hibernate这个框架情况下,我们开启session、管理事务就往往很麻烦。 
public void save(Object obj){
		Session session = this.getSession();
		Transaction tran = session.beginTransaction();
		try </div>
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                                <li><a href="/article/1889.htm"
                                       title="maven3实战读书笔记" target="_blank">maven3实战读书笔记</a>
                                    <span class="text-muted">braveCS</span>
<a class="tag" taget="_blank" href="/search/maven3/1.htm">maven3</a>
                                    <div>Maven简介 
是什么? 
Is a software project management and comprehension tool.项目管理工具 
是基于POM概念(工程对象模型) 
[设计重复、编码重复、文档重复、构建重复,maven最大化消除了构建的重复] 
[与XP:简单、交流与反馈;测试驱动开发、十分钟构建、持续集成、富有信息的工作区] 
  
  
功能: </div>
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                                <li><a href="/article/2016.htm"
                                       title="编程之美-子数组的最大乘积" target="_blank">编程之美-子数组的最大乘积</a>
                                    <span class="text-muted">bylijinnan</span>
<a class="tag" taget="_blank" href="/search/%E7%BC%96%E7%A8%8B%E4%B9%8B%E7%BE%8E/1.htm">编程之美</a>
                                    <div>

public class MaxProduct {

	/**
	 * 编程之美 子数组的最大乘积
	 * 题目: 给定一个长度为N的整数数组,只允许使用乘法,不能用除法,计算任意N-1个数的组合中乘积中最大的一组,并写出算法的时间复杂度。
	 * 以下程序对应书上两种方法,求得“乘积中最大的一组”的乘积——都是有溢出的可能的。
	 * 但按题目的意思,是要求得这个子数组,而不</div>
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                                <li><a href="/article/2143.htm"
                                       title="读书笔记-2" target="_blank">读书笔记-2</a>
                                    <span class="text-muted">chengxuyuancsdn</span>
<a class="tag" taget="_blank" href="/search/%E8%AF%BB%E4%B9%A6%E7%AC%94%E8%AE%B0/1.htm">读书笔记</a>
                                    <div>1、反射 
2、oracle年-月-日 时-分-秒 
3、oracle创建有参、无参函数 
4、oracle行转列 
5、Struts2拦截器 
6、Filter过滤器(web.xml) 
 
 
1、反射
(1)检查类的结构
在java.lang.reflect包里有3个类Field,Method,Constructor分别用于描述类的域、方法和构造器。
2、oracle年月日时分秒
s</div>
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                                    <span class="text-muted">comsci</span>
<a class="tag" taget="_blank" href="/search/it/1.htm">it</a>
                                    <div>      关于培训学校的教学和教师的问题,我们就不讨论了,我主要关心的是这个问题 
 
      培训学校的教学楼和宿舍的环境和稳定性问题 
 
      我们大家都知道,房子是一个比较昂贵的东西,特别是那种能够当教室的房子... 
 
&nb</div>
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                                    <span class="text-muted">daizj</span>
<a class="tag" taget="_blank" href="/search/oracle/1.htm">oracle</a><a class="tag" taget="_blank" href="/search/rman/1.htm">rman</a><a class="tag" taget="_blank" href="/search/filesperset/1.htm">filesperset</a><a class="tag" taget="_blank" href="/search/PARALLELISM/1.htm">PARALLELISM</a>
                                    <div>RMAN配置中通道(CHANNEL)相关参数 PARALLELISM 、FILESPERSET的关系 转 
 
PARALLELISM --- 
 
我们还可以通过parallelism参数来指定同时"自动"创建多少个通道: 
RMAN > configure device type disk parallelism 3 ; 
表示启动三个通道,可以加快备份恢复的速度。 </div>
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                                    <span class="text-muted">dieslrae</span>
<a class="tag" taget="_blank" href="/search/%E5%86%92%E6%B3%A1%E6%8E%92%E5%BA%8F/1.htm">冒泡排序</a>
                                    <div>
    public void bubbleSort(int[] array){
        for(int i=1;i<array.length;i++){
            for(int k=0;k<array.length-i;k++){
                if(array[k] > array[k+1]){
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                                    <span class="text-muted">dcj3sjt126com</span>
<a class="tag" taget="_blank" href="/search/sciet/1.htm">sciet</a>
                                    <div>concert 音乐会 
tonight 今晚 
famous 有名的;著名的 
song 歌曲 
thousand 千 
accident 事故;灾难 
careless 粗心的,大意的 
break 折断;断裂;破碎 
heart 心(脏) 
happen  偶尔发生,碰巧 
tourist 旅游者;观光者 
science (自然)科学 
marry 结婚 
subject 题目;</div>
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<a class="tag" taget="_blank" href="/search/redis/1.htm">redis</a>
                                    <div>wget http://download.redis.io/redis-stable.tar.gz 
tar xvzf redis-stable.tar.gz 
cd redis-stable 
make 
  
前面3步应该没有问题,主要的问题是执行make的时候,出现了异常。 
异常一: 
make[2]: cc: Command not found 
异常原因:没有安装g</div>
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                                    <span class="text-muted">shuizhaosi888</span>
<a class="tag" taget="_blank" href="/search/%E5%B9%B6%E5%8F%91%E5%AE%B9%E5%99%A8/1.htm">并发容器</a>
                                    <div>   通过并发容器来改善同步容器的性能,同步容器将所有对容器状态的访问都串行化,来实现线程安全,这种方式严重降低并发性,当多个线程访问时,吞吐量严重降低。 
   并发容器ConcurrentHashMap 
      替代同步基于散列的Map,通过Lock控制。 
  &nb</div>
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                                    <span class="text-muted">234390216</span>
<a class="tag" taget="_blank" href="/search/Spring+Security/1.htm">Spring Security</a><a class="tag" taget="_blank" href="/search/Remember+Me/1.htm">Remember Me</a><a class="tag" taget="_blank" href="/search/%E8%AE%B0%E4%BD%8F%E6%88%91/1.htm">记住我</a>
                                    <div>Remember-Me功能 
  
目录 
  
1.1     概述 
1.2     基于简单加密token的方法 
1.3     基于持久化token的方法 
1.4     Remember-Me相关接口和实现</div>
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                                    <span class="text-muted">焦志广</span>
<a class="tag" taget="_blank" href="/search/%E4%BD%8D%E8%BF%90%E7%AE%97/1.htm">位运算</a>
                                    <div>
一、位运算符C语言提供了六种位运算符: 
 
& 按位与 
| 按位或 
^ 按位异或 
~ 取反 
<< 左移 
>> 右移 
 
 

1. 按位与运算 按位与运算符"&"是双目运算符。其功能是参与运算的两数各对应的二进位相与。只有对应的两个二进位均为1时,结果位才为1 ,否则为0。参与运算的数以补码方式出现。 
 
例如:9&am</div>
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                                    <span class="text-muted">liguangsong</span>
<a class="tag" taget="_blank" href="/search/mongodb/1.htm">mongodb</a><a class="tag" taget="_blank" href="/search/mysql/1.htm">mysql</a><a class="tag" taget="_blank" href="/search/node/1.htm">node</a><a class="tag" taget="_blank" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%9E%E6%8E%A5/1.htm">数据库连接</a>
                                    <div>1.mysql 连接 
   package.json中dependencies加入 
  
  
"mysql":"~2.7.0" 
   执行 npm install 
  
   在config 下创建文件 database.js 
    
</div>
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                                    <span class="text-muted">olive6615</span>
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                                    <div>    在HotSpot虚拟机中,有两个技术是至关重要的,即动态编译(Dynamic compilation)和Profiling。 
    HotSpot是如何动态编译Javad的bytecode呢?Java bytecode是以解释方式被load到虚拟机的。HotSpot里有一个运行监视器,即Profile Monitor,专门监视</div>
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                                    <span class="text-muted">roadrunners</span>
<a class="tag" taget="_blank" href="/search/%E4%BC%98%E5%8C%96/1.htm">优化</a><a class="tag" taget="_blank" href="/search/storm.yaml/1.htm">storm.yaml</a>
                                    <div>nimbus结点配置(storm.yaml)信息: 
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional inf</div>
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                                    <span class="text-muted">tomcat_oracle</span>
<a class="tag" taget="_blank" href="/search/mysql/1.htm">mysql</a>
                                    <div> 1. 拥有足够的物理内存来把整个InnoDB文件加载到内存中——在内存中访问文件时的速度要比在硬盘中访问时快的多。     2. 不惜一切代价避免使用Swap交换分区 – 交换时是从硬盘读取的,它的速度很慢。     3. 使用电池供电的RAM(注:RAM即随机存储器)。     4. 使用高级的RAID(注:Redundant Arrays of Inexpensive Disks,即磁盘阵列</div>
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                                    <span class="text-muted">阿尔萨斯</span>
<a class="tag" taget="_blank" href="/search/ZOJ/1.htm">ZOJ</a>
                                    <div> 题目链接:zoj 3829 Known Notation 
 题目大意:给定一个不完整的后缀表达式,要求有2种不同操作,用尽量少的操作使得表达式完整。 
 解题思路:贪心,数字的个数要要保证比∗的个数多1,不够的话优先补在开头是最优的。然后遍历一遍字符串,碰到数字+1,碰到∗-1,保证数字的个数大于等1,如果不够减的话,可以和最后面的一个数字交换位置(用栈维护十分方便),因为添加和交换代价都是1</div>
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