Koudai Aono

Have you ever merged a config file, applied an input that says "update only these fields", or handled an API payload, only to overwrite data because "missing", None, and "unset" were treated as the same thing?

Have you ever merged a config file, applied an input that says "update only these fields", or handled an API payload, only to overwrite data because "missing", None , and "unset" were treated as the same thing?

PyCon JP 2025 座長の nishimotz です。 今年の招待講演として、Mirascope, Inc. の 青野 高大（あおの こうだい） さん（koxudaxi）をお迎えします。 Python 3.14 には新機能 t-strings（Template Strings）が導入されます。青野さんは、この仕様をまとめた PEP 750 の共同著者です。 Python 3.14 の最終リリースは 2025 年 10 月に予定されています。私たちは、9 月開催の PyCon JP 2025 のタイミングで、3.14...

Many Python developers have added type hints and run mypy checks, but still rely on typing.Any too often, keep old typing.List/typing.Dict hints, or use type: ignore comments everywhere.

Many Python developers have added type hints and run mypy checks, but still rely on typing.Any too often, keep old typing.List / typing.Dict hints, or use # type: ignore comments everywhere.

Decorators are powerful, magical syntax sugar, offering a convenient way to wrap and enhance functions. But sometimes, it's not clear how to use a defined decorator.

Decorators are powerful, magical syntax sugar, offering a convenient way to wrap and enhance functions. But sometimes, it's not clear how to use a defined decorator.