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#
# Small ftp server for ESP8266 ans ESP32, Pico W Micropython
#
# Based on the work of chrisgp - Christopher Popp and pfalcon - Paul Sokolovsky
#
# The server accepts passive mode only.
# It runs in foreground and quits, when it receives a quit command
# Start the server with:
#
# import ftp

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import network
import socket
import time
import struct

from machine import Pin

NTP_DELTA = 2208988800
host = "pool.ntp.org"

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import base64 
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad,unpad

#AES ECB mode without IV

data = 'I love Medium'
key = 'AAAAAAAAAAAAAAAA' #Must Be 16 char for AES128

def encrypt(raw):

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# dual_i2s_player.py -- demonstrate using two I2S stereo DACs at once on RP2040 / Raspberry Pi Pico
# 19 May 2023 - @todbot / Tod Kurt
# video of this code: https://www.youtube.com/watch?v=CgqECxhqJEo
import time, board, audiocore, audiobusio

# qtpy rp2040 pins
# in this case, board.* names just match silkscreen, don't indicate functionality
lck1_pin, bck1_pin, dat1_pin = board.MISO, board.MOSI, board.SCK
lck2_pin, bck2_pin, dat2_pin = board.SCL, board.SDA, board.TX

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Python version of the MATLAB code in this Stack Overflow post: https://stackoverflow.com/a/18648210/97160

The example shows how to determine the best-fit plane/surface (1st or higher order polynomial) over a set of three-dimensional points.

Implemented in Python + NumPy + SciPy + matplotlib.

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#!/bin/bash

### steps ####
# verify the system has a cuda-capable gpu
# download and install the nvidia cuda toolkit and cudnn
# setup environmental variables
# verify the installation
###

### to verify your gpu is cuda enable check

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Step by step instruction how to install CUDA 11 Ubuntu 20.04

NVidia Ubuntu 20.04 repository for CUDA 11

If you need CUDA Tolkit 11 with nvcc, other tools and libraries you can install it from NVIDIA Ubunutu 20.04 repository.

Add Ubuntu 20.04 repository

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Reconfigure your RPi Locales

First you need to install the locales you want:

sudo dpkg-reconfigure locales

Then refresh your current environment:

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#!/usr/bin/env python
 
import sys
import vtk
from PyQt5 import QtCore, QtWidgets
from vtk.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
 
class MainWindow(QtWidgets.QMainWindow):
 
    def __init__(self, parent = None):

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# To extract the sound from a video and save it as MP3:
ffmpeg -i <video.mp4> -vn <sound>.mp3

# To convert frames from a video or GIF into individual numbered images:
ffmpeg -i <video.mpg|video.gif> <frame_%d.png>

# To combine numbered images (frame_1.jpg, frame_2.jpg, etc) into a video or GIF:
ffmpeg -i <frame_%d.jpg> -f image2 <video.mpg|video.gif>

# To quickly extract a single frame from a video at time mm:ss and save it as a 128x128 resolution image: