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miso为gpio13,模式0,速度为100kHz,cs低电平有效spi=SoftSPI(gpio_clk=SoftSPI.GPIO14,gpio_cs=SoftSPI.GPIO11,gpio_mosi=SoftSPI.GPIO12,gpio_miso=SoftSPI.GPIO13)# 创建四线SPI对象,clk为gpio14,cs为gpio11,mosi为gpio12,miso为gpio13,模式1,速度为50kHz,cs高电平有效spi=SoftSPI(gpio_clk=SoftSPI.GP...
:first-child p:first-child,选择属于父元素的第一个子元素的每个p标签元素 :before p:before,在每个p标签元素的内容之前插入内。(样式指定内容插入到p标签包括的文本之前) :after p:after,在每个p标签元素的内容之后插入内容。(样式指定内容插入到p标签包括的文本之后) :lang(language) p:lang(it),选择的lang...
for field in FIELDS: results[field]=tree.csselect('table>tr#palce_%s_row>td.w2p_fw' %field)[0].text_content() return results 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 抓取结果: import time NUM_ITERATIONS=...
Bug report Bug description: In Python 3.11.9, the following code does not raise an Exception: from typing import Any, Generic, TypeVar T = TypeVar("T") class DataSet(Generic[T]): def __setattr__(self, name: str, value: Any) -> None: obje...
11 months ago classes are very easy to understand and cope up, detailed and slow pace. really loved learning. Got a great understanding on Machine Learning using Python, Helpful 8 months ago excelente curso que aborda com detalhes assuntos como machine learning e rede neurais. ...
有兴趣的可以阅读下这篇文章:关于Typescript在前端的体验漫谈预测一波：越来越多的大型项目会从CS架构转...
The MOOC platform offers more than 30 open, free and beginner-friendly courses in computer science such as Elements of AI, Data Analysis with Python, and Ethics of AI. Around 8 courses provide free certificates. The course Elements of AI is on Class Central’s The Best Free Online Courses ...
cppcpp14classcpp11cpp17bigintegerbigintbig-intarbitrary-size UpdatedJul 23, 2024 C++ 💊JVM 底层原理解析 javadocsjvmclassgchotspotjvm-bytecodejvm-languages UpdatedJan 7, 2025 HTML arvimal/oop_with_python Star326 Object-Oriented Programming concepts, with Python ...
// // 1 补充:数组过滤方法,内置的 // var l = ['a','at','atom','be','beyond','cs','csrf','d','ddd'] // // filter数组内置的,需要传一个匿名函数,接受一参数,会循环的从数组中取出值,传入匿名函数,执行 // // 匿名函数返回true或false,如果返回true,该值保留,如果返回false该值丢弃 ...