Zhentiw - 博客园

2024年5月17日

摘要： The awk command is a powerful text processing tool used for pattern scanning and processing. // exammple.txt Hello World This is a sample file Bash sc 阅读全文

posted @ 2024-05-17 03:48 Zhentiw 阅读(44) 评论(0) 推荐(0)

[Bash] grep command

摘要： The grep command searches for patterns within files and prints matching lines. grep [options] [content] [file] Search for a pattern in a file: grep "p 阅读全文

posted @ 2024-05-17 03:23 Zhentiw 阅读(16) 评论(0) 推荐(0)

2024年5月16日

[Bash] Head and Tail

摘要： Head The head command is used to display the beginning of a file or the first few lines of input. It's a useful command for quickly viewing the start 阅读全文

posted @ 2024-05-16 03:44 Zhentiw 阅读(42) 评论(0) 推荐(0)

[Bash] read command

摘要： The read command is used to take input from the user. Reading a single input value: echo "Enter your name:" read NAME echo "Hello, $NAME!" Output afte 阅读全文

posted @ 2024-05-16 03:38 Zhentiw 阅读(22) 评论(0) 推荐(0)

[Bash] echo command

摘要： The echo command is used to display a line of text or string that is passed as an argument. It's one of the most basic and frequently used commands in 阅读全文

posted @ 2024-05-16 03:23 Zhentiw 阅读(34) 评论(0) 推荐(0)

[Bash] wc cmmand

摘要： The wc command computes the numbers of lines, words, and bytes in a file: wc notes.txt # > 3 7 35 /home/substack/notes.txt Count words wc -w notes.txt 阅读全文

posted @ 2024-05-16 03:07 Zhentiw 阅读(25) 评论(0) 推荐(0)

2024年5月15日

[Typescript] 152 Medium - IsOdd

摘要： return true is a number is odd /* _____________ Your Code Here _____________ */ type LastChar<T extends string> = T extends `${infer First}${infer Res 阅读全文

posted @ 2024-05-15 03:28 Zhentiw 阅读(16) 评论(0) 推荐(0)

[Bash] Curly braces tips

摘要： For example I want to override and rename file.txt_ with file.txt mv file.txt{_,} You can also check the full command with echo echo mv file.txt{_,} # 阅读全文

posted @ 2024-05-15 03:06 Zhentiw 阅读(19) 评论(0) 推荐(0)

2024年5月14日

[Algorithm] Prim's Algorithm

摘要： Prim's algorithm is a popular method used in computer science for finding a minimum spanning tree for a connected, undirected graph. This means it fin 阅读全文

posted @ 2024-05-14 15:06 Zhentiw 阅读(57) 评论(0) 推荐(0)

[Typescript] Medium 152. IsFixedStringLiteralType

摘要： ometimes you may want to determine whether a string literal is a definite type. For example, when you want to check whether the type specified as a cl 阅读全文

posted @ 2024-05-14 03:25 Zhentiw 阅读(19) 评论(0) 推荐(0)

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