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values = [4500,2500,1053,500] # 使用“hole”创建一个类似甜甜圈的饼图 fig = go.Figure(data=[go.Pie(labels=labels, values=values, hole=.3)]) fig.show seaborn codeimportnumpyasnp # import matplotlib.pyplot as plt data = np.random.randint(20,100,6) ...
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和iOS开发中的UITableView有很大差别,NSTableView并非是一个可滚动的列表视图,其是一个不可滚动、支持多列多行的原始列表视图。若要使NSTableView支持滚动,通常会将其嵌套入NSScrollView控件中。与UITableView类似,NSTableView的数据也是用过DataSource代理来提供,通过Delegate代理来进行表格视图的定制化。在OS X v10.6版...
制造商:National Semiconductor (TI) 产品:Class-AB 输出功率:0.325 W x 1 at 8 Ohms 输出类型:1-Channel Mono 可用增益调整:46 dB THD + 噪声:0.2 % 工作电源电压:5 V, 9 V 最大功率耗散:1250 mW 最大工作温度:+ 70 C 安装风格:Through Hole 封装 / 箱体:MDIP