Computer

Basic concepts and Julia practice of network programming

tcp
udp
socket
http
websocket
network
julia
The following is a non-standard division of network layers:
Sep 30, 2025
Rui Yang

Julia Genie framework

julia
genie
The open source Genie framework has three main components:
Sep 28, 2025
Rui Yang

Software installation guides

software
installation
A collection of software installation guides.
Sep 16, 2025
Rui Yang

Commonly used MAC OS commands

mac os
command
# Misc
常用退出键：Esc
通常再按一次退出操作
按住Shift/Command键多选文件

# 窗口管理
窗口最小化：Command + M
关闭窗口：Command + W
窗口全屏：Control + Command + F（双击窗口）
隐藏当前应用程序的所有窗口：Command +…
Sep 16, 2025
Rui Yang

Strengthen SSH login security

ssh
login
security
The followings are tested on Ubuntu Desktop 22.04.
Sep 5, 2025
Rui Yang

C syntax basics

syntax
c
Just refer to the following docs when needed:
Aug 8, 2025
Rui Yang

Introduction to commonly used programming languages

programming language
introduction
C: general-purpose, high-performance, static, hardware-level programming. Learning goal: mastering basic syntax and commonly used data structures and algorithms.
Aug 8, 2025
Rui Yang

Python syntax basics

syntax
python
Just refer to the following docs when needed:
Jul 22, 2025
Rui Yang

R syntax basics

syntax
r
Just refer to the following docs when needed:
Jul 22, 2025
Rui Yang

KVM/QEMU/virt-manager tool chain for virtual machine managing in Linux

linux
kvm
qemu
virt-manager
virtual machine
To reach nearly native performance for virtual machines (such as Windows) running on Linux, KVM/QEMU/virt-manager tool chain is an outperformed alternative. The three tools…
Jun 25, 2025
Rui Yang

Commonly used Windows commands

windows
command
Ctrl + Win + D: create
Ctrl + Win <--/-->: move to the left or right
Ctrl + Win + F4: delete
Win + Tab: show all desktops and apps in the current desktop
Alt + Tab…
Dec 23, 2024
Rui Yang

Commonly used Linux commands

linux
command
Make sure the proxy variables are already exported in the calling user’s environment (e.g. in ~/.bashrc, /etc/profile, or any other shell startup file).
Dec 19, 2024
Rui Yang

Sticky notes

misc
note
This is a sticky pad for temporary notes.
Oct 13, 2024
Rui Yang

Configure mstsc RDP

windows
mstsc
rdp
Once you have created a RDP file from mstsc or anywhere else, you can save your user name and password in your RDP file to achieve one-step login by adding or modifying the…
Oct 7, 2024
Rui Yang

Compile and install R

r
compile
install
# To install GNU softwares
# You should first learn how to use the command to query its configuration options
./configure --help

# For detailed compiling and installing…
Oct 7, 2024
Rui Yang

Introduction to systemd service

linux
systemd
service
Systemd 是 Linux 的一个系统和服务管理器。
Oct 6, 2024
Rui Yang

Git syntax basics

git
syntax
These settings will be stored in the file ~/.gitconfig in the following form:
Sep 22, 2024
Rui Yang

Julia resource list

julia
resource
Julia as a second language by Erik Engheim.
Sep 22, 2024
Rui Yang

Julia syntax basics

syntax
julia
Just refer to the following docs when needed:
Sep 22, 2024
Rui Yang

R resource list

r
resource
Official documentations at https://cran.r-project.org/manuals.html.
Sep 22, 2024
Rui Yang
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