JakubVanek

import socket

def sendit(msg):
    with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
        sock.sendto(msg, ("<FILL SOME IP HERE>", 1234))
        # NOTE: you'll probably want to have something listening on that IP.
        # I have spawned a Ubuntu Linux VM for this; then I used "nc -k -u -l 1234" to receive the data

for i in range(256):
    sendit(b"a"*300)

JakubVanek

This script should ensure that VMware modules will be rebuilt and signed for Secure boot when a kernel package is updated.

Instructions

Copy the script below to /etc/kernel/postinst.d/vmware and make it executable.

#!/bin/sh -e

export LANG=C

JakubVanek

## PART 1: get RPi image ready

# where the chroot will be
CHROOT=$(pwd)/chroot
# companion directory (will be bind-mounted to /companion)
COMPANION=$(pwd)/companion

# download latest Raspbian
wget https://downloads.raspberrypi.org/raspios_lite_armhf_latest -O raspbian.zip
unzip raspbian.zip          # decompress the image

JakubVanek

import sys
import pandas as pd
import numpy  as np

def main():
    if len(sys.argv) != 3:
        print("Chyba: očekávány dva argumenty", file=sys.stderr)
        print("Použití:", file=sys.stderr)
        print(f"{sys.argv[0]} <csv sklad> <csv pokladna>", file=sys.stderr)
        sys.exit(1)

JakubVanek

Creates a mono "balanced" output from a stereo unbalanced one.

JakubVanek

JakubVanek

Because Windows sucks.

JakubVanek

This is a small program for restarting DHCP on first interface for the EV3 programmable brick. This can be useful when you need to make the brick connect through a *supported* USB-to-Ethernet adapter to a wired network and you don't want to wait for a restart.

How to build:

- Get a copy of EV3 assembler (lmsasm) - my modified version can be found on https://github.com/JakubVanek/ev3sources-asm
- Download connect.lms to the directory with file assembler.jar from the step above.
- Compile this program. That is done by running "java -jar assembler.jar connect" in the assembler directory.
- Upload the connect.rbf file to the brick.

JakubVanek

This program can be used to convert raw BGRA 8888 framebuffer to standard PNG file.