在 Go 语言与数据库交互的实战中，有一个让无数新手（甚至资深开发者）挠头的“坑”，那就是 NULL。 你是否遇到过这样的场景？ 数据库崩溃：代码试图把数据库里的 NULL读入 Go 的 string变量，结果报错。 API 数据丑陋：为了解决报错使用了 sql.NullString，结果 ...

Official support for free-threaded Python, and free-threaded improvements Python’s free-threaded build promises true parallelism for threads in Python programs by removing the Global Interpreter Lock ...

Working with numbers stored as strings is a common task in Python programming. Whether you’re parsing user input, reading data from a file, or working with APIs, you’ll often need to transform numeric ...

String manipulation is a core skill for every Python developer. Whether you’re working with CSV files, log entries, or text analytics, knowing how to split strings in Python makes your code cleaner ...

{ "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "some_date": { "type": ["string", "null"], "format": "date-time ...

One thing to note here is you can also use double triple quotes for multiline strings(""" """ like this). Do you remember I said(ok wrote) there is something called unassigned strings in this post?