06 2024 档案

摘要:Bash is built to handle multiple programs running in parallel. time cat Type time cat and then hit ctrl-c before one second, as close as possible with 阅读全文
posted @ 2024-06-26 17:54 Zhentiw 阅读(7) 评论(0) 推荐(0) 编辑
摘要:Subshell () You can wrap a cmd into () then it works a spreated command line. $ (if test -f cool.txt; then echo true; else echo false; fi); echo $? fa 阅读全文
posted @ 2024-06-26 17:38 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
摘要:Exit code and Operators (&&, ||, 😉 When the previous command run successful, it returns 0, otherwise 1 $ date Wed Jun 26 12:17:17 EEST 2024 $ echo $? 阅读全文
posted @ 2024-06-26 17:31 Zhentiw 阅读(7) 评论(0) 推荐(0) 编辑
摘要:button:focus-visible, input:focus-visible, a:focus-visible { border-color: #1e88e5; box-shadow: 0 0 3px 2px rgba(30, 135,229,0.5); } 阅读全文
posted @ 2024-06-24 18:23 Zhentiw 阅读(10) 评论(0) 推荐(0) 编辑
摘要:.balanced-text h2 { color: yellow; text-wrap: balance; } .unbalanced-text h2 { color: rgb(252, 1, 218); } 阅读全文
posted @ 2024-06-24 18:21 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
摘要:ul li { border: 2px solid gray; border-radius: 8px; padding: 1rem; margin: 1rem; } // old way ul li input:checked { accent-color: #f806e4; } // new wa 阅读全文
posted @ 2024-06-24 18:19 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
摘要:export class PageClickCounterComponent { reset$ = new Subject<void>(); clicks$ = merge( fromEvent<PointerEvent>(document, 'click').pipe( map(accumulat 阅读全文
posted @ 2024-06-24 18:04 Zhentiw 阅读(5) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-16 03:23 Zhentiw 阅读(5) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-11 18:35 Zhentiw 阅读(7) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-11 18:18 Zhentiw 阅读(2) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-10 14:43 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-10 14:36 Zhentiw 阅读(8) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-07 20:58 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-07 20:47 Zhentiw 阅读(3) 评论(0) 推荐(0) 编辑
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
posted @ 2024-06-06 02:38 Zhentiw 阅读(7) 评论(0) 推荐(0) 编辑
摘要:The cards on the DJI site have an effect where the hovered card expands and the other cards shrink: In order to emulate this effect we'll use Flexbox. 阅读全文
posted @ 2024-06-04 15:11 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
摘要:Currently we are animating to a fixed height of 100px on hover since browsers can't animate from 0 to auto: <p class="h-0 overflow-hidden text-white/7 阅读全文
posted @ 2024-06-04 15:05 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑
摘要:pbcopy is a command-line utility available on macOS that allows you to copy the output of a command directly to the clipboard. It can be very handy fo 阅读全文
posted @ 2024-06-03 19:52 Zhentiw 阅读(5) 评论(0) 推荐(0) 编辑

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