master-git

git init Create an empty Git repository or reinitialize an existing one 也即是向 working directory 里添加 .git 文件夹 .git/ ├── branches # git 分支 ├── config # git 配置 ├── description ├── HEAD # HEAD 指针, 指向当前分支最新的 commit ├── hooks │

katacoda-what-is-a-container

Processes Containers are just normal Linux Processes with additional configuration applied. 容器只是应用了附加配置的普通 Linux 进程。 redis container lanch redis-server process Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG…] docker run –help -d, –detach Run container in background and print container ID –name string Assign a name to the container docker run -d --name=db redis:alpine 在后台

tomcat-http-cookie

package javax.servlet.http; import java.io.Serializable; import java.security.AccessController; import java.security.PrivilegedAction; import java.text.MessageFormat; import java.util.BitSet; import java.util.Locale; import java.util.ResourceBundle; /** * Creates a cookie, a small amount of information sent by a servlet to a Web * browser, saved by the browser, and later sent back to the server. * 创建一个 cookie, servlet 发给浏览器的一个小信息

katacoda-what-is-a-container-image

container image A container image is a tar file containing tar files. Each of the tar file is a layer. Once all tar files have been extract into the same location then you have the container’s filesystem. container image 是一个 tar 文件. 每一个 tar 文件就是一个 layer docker pull 拉取一个镜像 docker pull redis:3.2.11-alpine 3.2.11-alpine: Pulling

bloomfilter

References bloom filter bloom filter https://coderscat.com/bloom-filter/