- Mastering Python Networking
- Eric Chou
- 45字
- 2021-07-02 21:42:32
The None type
The None type denotes an object with no value. This is returned in functions that do not explicitly return anything. The None type is also used in function arguments to error out if the caller does not pass in an actual value.
推薦閱讀
- UML和模式應用（原書第3版）
- 零基礎(chǔ)學C++程序設(shè)計
- JavaScript高效圖形編程
- Mastering PHP Design Patterns
- 征服RIA
- STM32F0實戰(zhàn)：基于HAL庫開發(fā)
- 名師講壇：Java微服務架構(gòu)實戰(zhàn)（SpringBoot+SpringCloud+Docker+RabbitMQ）
- Hands-On Microservices with Kotlin
- Android 應用案例開發(fā)大全（第3版）
- 算法訓練營：提高篇（全彩版）
- 零基礎(chǔ)學Python網(wǎng)絡(luò)爬蟲案例實戰(zhàn)全流程詳解（高級進階篇）
- Salesforce Reporting and Dashboards
- RESTful Java Web Services（Second Edition）
- Fastdata Processing with Spark
- Mastering Elixir