BSD is a very stable and secure UNIX operating system.
BSD is a very stable and secure UNIX operating system.
This article introduces two communication experiments which can be utilized by your Raspberry Pi.
LevelDB is a kind of key-value C++ database developped by Google engineers.
The discrict 2D cross correlation is very similar to 2D convolution.
Processes, threads and coroutines, are common and important concepts in OS and programming learning.
Notes includes Windows subsystem Linux, VMWare Virtual machine, remote cloud and dual system.
This article lists a Linux cheatsheet including lots of tools’ commands.
门面（façade，读作[fasad]）设计模式，又称为外观设计模式，属于结构性设计模式的一种。
build definition 什么是构建？
build.sbt文件采用类Scala语言编写。
scopes 什么是作用域？
task graph 什么是任务图
在Java项目目录下输入 sbt 即可进入sbt的REPL(Read Eval Print Loop: 交互式解释器)环境
REPL环境下，输入compile编译
https://www.scala-sbt.org/1.x/docs/sbt-by-example.html
https://www.scala-sbt.org/1.x/docs/Running.html
双机热备份的特点是任一台数据库均可作为主机，另一台作为从机冗余备份，在某一时刻保证有且仅有一台主机接收数据库系统外部请求。
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