Zhentiw - 博客园

2024年5月22日

[ES2024] Make JavaScript computations lazy using Iterator Helpers

摘要： You no longer need to write generator functions to create basic lazy iterator functions. Now, ECMAScript supports iterator helpers that you can call o 阅读全文

posted @ 2024-05-22 02:49 Zhentiw 阅读(3) 评论(0) 推荐(0) 编辑

[Bash] pipe intro

摘要： Compse commands with pipe # List all folders and files in current dir % ls -l total 56 -rw-r--r-- 1 zwt staff 51 May 16 22:35 data.txt -rwxr-xr-x 1 zw 阅读全文

posted @ 2024-05-22 02:39 Zhentiw 阅读(1) 评论(0) 推荐(0) 编辑

[Bash] Append the content at the beginning of the file

摘要： Write to a file >, >> Append content at the beginning of the file. echo whatever > hello.txt echo Hello world >> hello.txt cat hello.txt # whatever # 阅读全文

posted @ 2024-05-22 02:33 Zhentiw 阅读(2) 评论(0) 推荐(0) 编辑

2024年5月21日

[Bash] while & until commands

摘要： While The while loop executes a block of code as long as a specified condition is true. while [ condition ]; do commands done Example: #!/bin/zsh coun 阅读全文

posted @ 2024-05-21 03:41 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑

2024年5月20日

[ES2024] Perform Set Operations using JavaScript Set Methods

摘要： The "Set Methods" proposal introduces 7 new methods to JavaScript/ECMAScript: union(setB): Returns a new Set containing all elements from the original 阅读全文

posted @ 2024-05-20 21:59 Zhentiw 阅读(3) 评论(0) 推荐(0) 编辑

2024年5月19日

[Bash] Controls flow

摘要： If The if statement is used to execute commands based on a condition. if [ condition ]; then commands fi Example: vim example.sh #!/bin/zsh echo "Ente 阅读全文

posted @ 2024-05-19 16:16 Zhentiw 阅读(4) 评论(0) 推荐(0) 编辑

[Bash] env

摘要： Commands: export: Set environment variables. env: View environment variables. echo: Display environment variables. Common Environment Variables: PATH: 阅读全文

posted @ 2024-05-19 15:48 Zhentiw 阅读(5) 评论(0) 推荐(0) 编辑

[Bash] chmod and chown

摘要： Understanding File Permissions: File permissions in Unix-like systems determine who can read, write, or execute a file. They are represented as a comb 阅读全文

posted @ 2024-05-19 15:42 Zhentiw 阅读(3) 评论(0) 推荐(0) 编辑

2024年5月17日

[ES2024] Find Items from the end of the JavaScript Array using at, findLast and findLastIndex

摘要： Finding elements starting from the end of an array has gotten a lot easier with the introduction of the at, findLast, and findLastIndex methods! With 阅读全文

posted @ 2024-05-17 14:19 Zhentiw 阅读(3) 评论(0) 推荐(0) 编辑

[ES2024] Object.groupBy & Map.groupBy

摘要： Array Grouping is the new feature of JavaScript/ECMAScript, which splits an array (or, generally, an iterable), into smaller sub-arrays. Grouping is d 阅读全文

posted @ 2024-05-17 14:14 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑

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