garden/content/daily/2024-05-21.md
SouthFox cb37e6a77b
All checks were successful
/ deploy (push) Successful in 1m12s
[build] create dir
2024-06-04 14:52:49 +08:00

14 lines
466 B
Markdown

+++
title = 2024-05-21
author = ["SouthFox"]
date = 2024-05-21T23:25:00+08:00
lastmod = 2024-05-21T23:28:08+08:00
tags = ["publish"]
draft = false
+++
## Python 既读又写 {#python-既读又写}
[python]({{< relref "../main/20240521232625-python.md" >}}) 中 open 函数为 `r+` 模式时为即读又能写,但是读完整个文件后
文件位置将处于最末尾,这时写入相当于追加写,需要使用 seek(0) 重新将
文件位置置于开头。