Answer1215

摘要： ul li { border: 2px solid gray; border-radius: 8px; padding: 1rem; margin: 1rem; } // old way ul li input:checked { accent-color: #f806e4; } // new wa 阅读全文

摘要： export class PageClickCounterComponent { reset$ = new Subject<void>(); clicks$ = merge( fromEvent<PointerEvent>(document, 'click').pipe( map(accumulat 阅读全文

摘要： function currency(strings, ...values) { return strings.reduce((result, string, i) => { let value = values[i - 1]; if (typeof value "number") { value = 阅读全文

摘要： The basic syntax of a for loop in Bash is: for variable in list do commands done Examples Example 1: Iterating Over a List of Words #!/bin/zsh for wor 阅读全文

摘要： Create a logger.sh file #!/bin/bash echo `date +'%T %F'` $* >> `date +%F`.log $*: Represents all script arguments Example $ logger hello $ logger hell 阅读全文

摘要： Single quotes If you want to use characters like < or > in the arguments to a program, you will need to use quotes so that the shell doesn't try to in 阅读全文

摘要： Environment variables are defined by the shell and shell scripts. To list the current environment variables, type export: ~ $ export declare -x DISPLA 阅读全文

摘要： watch For example every 5 second, I want to print out the time then save the time into the a txt file $watch -n5 'echo `date +%T` >> hello.txt' # then 阅读全文

摘要： Backticks Using to exec cmd and return the output as string $ echo `date` Fri Jun 7 15:40:11 EEST 2024 The same effect you can achieve by using $ echo 阅读全文

摘要： Ping ping is a utility used to test the reachability of a host on an IP network and to measure the round-trip time for messages sent from the originat 阅读全文