下载自案例from __future__ import print_functionimport osimport sysimport timefrom OCC.Core.BRep import BRep_Toolfrom OCC.Core.BRepAdaptor import BRepAdaptor_HCurvefrom OCC.Core.BRepBuilderAPI import BRepBu

执行：conda install ffmpeg -c conda-forgedef audioread_quxian():import timeimport audioreadimport matplotlib.pyplot as pltimport numpy as npimport sys, osfilename = '1.mp3'# filename = '16k.wav'with audi

```python```python```pythondef lianlun():from OCC.Display.SimpleGui import init_displayroller_diameter = 10.2#滚轮直径pitch = 15.875#螺距num_teeth = 40 #齿数chain_width = 6.35 #链宽#Dimensions derived from the

1-----Activity_main.xml<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@

1）进入C:\Users\user\AppData\Local\Android\Sdk\build-tools\32.0.0目录2）找到d8.bat的文件(Windows批处理文件)3）复制---命名d8.bat为dx.bat。4）进入C:\Users\user\AppData\Local\Android\Sdk\build-tools\32.0.0\lib目录5）复制d8.jar，---命名为d

1、exposed beyond app through ClipData.Item.getUri() 错误2、错误：ava.lang.SecurityException: Permission Denial: starting Intent { act=android.media.action.IMAGE_CAPTURE flg=0x3 cmp=com.huawei.camera/.ThirdC

https://mp.weixin.qq.com/s/cgYoB3q5JtIMf20VS9Z6mg

import togafrom toga.style.pack import COLUMN, Packdef button_handler(widget):print('button handler')for i in range(0, 10):print("hello", i)yield 1print("done", i)def action0(widget):print("action 0")

import randomimport togafrom toga.colors import BLUE, REDfrom toga.constants import COLUMN, ROWfrom toga.style import Packclass ExampleButtonApp(toga.App):def startup(self):# Window class#Main window