猜测 There should be one-- and preferably only one --obvious way to do it. # 而是尽量找一种,最好是唯一一种明显的解决方案(如果不确定,就用穷举法) Although that way may not be obvious at first unless you're Dutch. # 虽然这并不容易,因为你不是 Python 之父(这里的Dutch是指Guido) Now is...
download_url = 'https:///user/reponame/archive/v_01.tar.gz', # I explain this later on keywords = ['SOME', 'MEANINGFULL', 'KEYWORDS'], # Keywords that define your package best install_requires=[ # I get to this in a second 'validators', # 可以加上版本号,如validators=1.5.1 'b...
isdigit() True >>> vendor='F5' >>> vendor.isdigit() False >>> PI='3.1415926' >>> PI.isdigit() False >>> IP='1.1.1.1' >>> IP.isdigit() False isalpha()用来判断字符串的内容是否为英文字母,举例如下: >>> chinese = '中文' >>> chinese.isalpha() False >>> english = 'English' ...
板上的摄像头连接器允许您将官方的 Raspberry Pi 摄像头板(图 1-3 )或 NoIR(红外)摄像头板连接到 Pi。图1-3Raspberry Pi 相机板高清晰度多媒体接口摄像头电路板连接器后面是 Pi 的 HDMI(高清多媒体接口)端口。许多 Pi 爱好者认为,这是 Pi 从一开始就与众不同的地方,因为它总是能够显示高清图形。最新版...
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fromcolossalai.loggingimportget_dist_loggerfromcolossalai.trainerimportTrainer,hooks# build components and initialize with colossaalai.initialize...# create a logger so that trainer can log on thhe consolelogger=get_dist_logger()# create a trainer objecttrainer=Trainer(engine=engine,logger=logger) ...
若系统没有默认麦克风(如在 RaspberryPi 上)或想要使用非默认麦克风,则需要通过提供设备索引来指定要使用的麦克风。读者可通过调用 Microphone 类的list_microphone_names()函数来获取麦克风名称列表。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>> sr.Microphone.list_microphone_names() ['HDA Intel PCH...
Since its inception, the Raspberry Pi had progressed by leaps and bounds. Indeed, one of the reasons why we want to get a Raspberry Pi is its versatility. Apart from the huge selection of hardware, there are many Python libraries for you to build Raspber
Falling back to DejaVu Sans (prop.get_family(), self.defaultFamily[fontext])) <Figure size 432x288 with 1 Axes>In [ ] x = np.arange(0, 5, 0.002) def f(t): return np.cos(2*np.pi*t) plt.title('余弦波实例 $y=cos(2 \pi t)$') # 中英文混合时,要$英文部分$, 圆周率符号...
Would you like to get more practice working with APIs in Python? How about exploring the globe using the data from OpenStreetMap? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects. Play EpisodeEpisode...