摘要:
import numpy as npimport pandas as pd point = pd.read_csv('waypoint21.csv') with pd.option_context('display.precision', 12): # 关键部分 # print(point) B0 阅读全文
摘要:
import numpy as npnew_array = np.empty(shape=[0, 3]) # 3列n行for i in range(10): x = i+1 y = i+2 z = i+3 new_array = np.append(new_array, [[x, y, z]], a 阅读全文
摘要:
<select> <option value ="volvo">Volvo</option> <option value ="saab">Saab</option> </select>在使用select往后台传值时,所传的值,不是option之间的数据,而是option的属性value对应的值 阅读全文