:? ternary conditional operator
( ^ ) caret symbol
WSS websocket security WAF https://www.cloudflare.com/learning/ddos/glossary/web-application-firewall-waf/
十进制:decimal 八进制:octonary 十六进制:hexadecimal 二进制:binary
`db-name` backticks apostrophes ‘
ACL: Access-control list ceding: If the race happens in a way that will leave the ceding master without slaves, as soon as the cluster is stable again the algorithm will be re-executed again and will migrate a slave back to the original master.
Open-source intelligence (OSINT)
Virtual Local Area Networks (VLANs, for short) https://www.redhat.com/sysadmin/vlans-sysadmins-basics
ROM RAM(DRAM, SRAM) https://blog.csdn.net/hcx25909/article/details/7103205
NICs (network interface cards) NIO non-blocking IO
Discretionary access control mandatory access control
ocr optical character recognition https://tesseract.projectnaptha.com/
command palette 命令输入框
FQDN: A fully qualified domain name (FQDN) is the complete address of an internet host or computer. It provides its exact location within the domain name system (DNS) by specifying the hostname, domain name and top-level domain (TLD).