profesor

2025年10月23日

摘要： In Unix-like systems, stdout (standard output) is stream 1, and stderr (standard error) is stream 2. By default, grep reads from stdin, which typicall 阅读全文

posted @ 2025-10-23 19:22 profesor 阅读(78) 评论(0) 推荐(0)

[sed] replace the first line with certain info

摘要： If you want to use sed to replace the first line of a file with <div id="lexicoEntryPage"> then the proper command is: sed '1s/.*/<div id="lexicoEntry 阅读全文

posted @ 2025-10-23 18:17 profesor 阅读(26) 评论(0) 推荐(0)

[windows xp] 还能在xp上使用的浏览器

摘要： Yes—but with very important caveats. Windows XP is extremely outdated, and modern web standards and security measures make most current browsers incom 阅读全文

posted @ 2025-10-23 06:02 profesor 阅读(1019) 评论(0) 推荐(0)

[Windows xp]XP上实用软件

摘要：持续增加中 firefox: https://ftp.mozilla.org/pub/firefox/releases/52.9.0esr/win32/en-US/Firefox%20Setup%2052.9.0esr.exe everything https://www.voidtools.com 阅读全文

posted @ 2025-10-23 05:23 profesor 阅读(213) 评论(0) 推荐(0)

2025年10月22日

[Resilio Sync] install and config Resilio Sync on Ubuntu

摘要： https://www.resilio.com/sync/download/ 这里可以下载tar ball自行编译安装 https://help.resilio.com/hc/en-us/articles/206178924-Installing-Sync-package-on-Linux .deb 阅读全文

posted @ 2025-10-22 18:25 profesor 阅读(165) 评论(0) 推荐(0)

[MS-DOS]MS-DOS 6.22 with CD-ROM Driver.ver.6.22.English下载与安装

摘要：下载地址： https://archive.org/details/ms-dos-6.22-with-cd-rom-driver.ver.6.22.english MS-DOS 6.22 with CD-ROM Driver.ver.6.22.English 安装视频： How to Install 阅读全文

posted @ 2025-10-22 18:02 profesor 阅读(177) 评论(0) 推荐(0)

[Perl] perl tutorials modern perl

摘要： Learn Perl in about 2 hours 30 minutes https://qntm.org/perl_en https://learn.perl.org/tutorials/ https://perlmaven.com/perl-tutorial https://www.mode 阅读全文

posted @ 2025-10-22 09:04 profesor 阅读(26) 评论(0) 推荐(0)

[Bash] Bash Survival Guide for Python Programmers

摘要： chatgpt Excellent — let’s write what I’d call the “Bash Survival Guide for Python Programmers.” It’s structured as a practical cheat sheet, not a tuto 阅读全文

posted @ 2025-10-22 07:05 profesor 阅读(24) 评论(0) 推荐(0)

[Bash] bash scripting common pitfalls

摘要： Absolutely — Bash feels strange because it blends shell commands, programming constructs, and POSIX quirks. If you come from Python, it’s easy to trip 阅读全文

posted @ 2025-10-22 05:24 profesor 阅读(36) 评论(0) 推荐(0)

[Bash]让人头晕的if条件

摘要：来自chatgpt Ah, yes — Bash’s conditional syntax is notoriously confusing because it has several different “types” of tests, and each has subtle differen 阅读全文

posted @ 2025-10-22 05:19 profesor 阅读(25) 评论(0) 推荐(0)

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