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#!/usr/bin/env python3
"""
Network Scanner - Scan your local network for devices
Displays IP addresses, MAC addresses, and checks for web ports (80/443)
Supports filtering by MAC address vendor prefix
Auto-detects CIDR from network interface configuration
Smart interface detection (skips Docker, loopback, virtual interfaces)
"""

import socket

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Debugging CUDA exe

1. Set CUDA as Synchronous mode: export CUDA_LAUNCH_BLOCKING=1
2. Use CUDA GDB :

/usr/local/cuda/bin/cuda-gdb --arg foo arg1 arg2

Enable GDB option :

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import os
import argparse
import requests
import sys

def print_help():
    help_text = """
Download ZED SDK AI models from Stereolabs.

Usage:

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#include <iostream>
#include <fstream>
#include <vector>
#include <cstdint>

class BinaryVectorStream {
private:
    std::vector<uint8_t>& data;
    size_t position;

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# From https://docs.ultralytics.com/fr/integrations/tensorrt/#installation
from ultralytics import YOLO
import os
import cv2

# Export the model to TensorRT format, this will take a long time but should be done only once (per GPU)
if not os.path.isfile('yolov8n.engine'):
    # Load the YOLOv8 model
    model = YOLO('yolov8n.pt')
    

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import cv2
import numpy as np

calib_fx=615
calib_baseline=10

def depth_to_disp(depth_filename, disp_filename):
    cv_file = cv2.FileStorage(depth_filename, cv2.FILE_STORAGE_READ)
    matrix = cv_file.getNode("depth").mat()
    cv_file.release()

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# https://github.com/microsoft/mimalloc
VERSION="1.8.2"
wget https://github.com/microsoft/mimalloc/archive/refs/tags/v${VERSION}.zip
unzip v${VERSION}.zip
cd mimalloc-${VERSION}
mkdir build ; cd build ; cmake .. ; make -j ; sudo make install
cd ../../
rm -rf v${VERSION}.zip mimalloc-${VERSION}
sudo ln -s /usr/local/lib/libmimalloc.so /usr/lib/libmimalloc.so

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import os
import shutil
from concurrent.futures import ThreadPoolExecutor

def remove_file(file_path):
    try:
        os.remove(file_path)
        print(f"File '{file_path}' removed successfully.")
    except Exception as e:
        print(f"Failed to remove file '{file_path}': {e}")

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Creating WiFi Access point from command line (Ubuntu):

https://ubuntu.com/core/docs/networkmanager/configure-wifi-access-points

nmcli d wifi hotspot ifname <interface> ssid <ssid> password <password>

Example:

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#!/bin/bash

host=$(cat /etc/hostname)
echo "PC Name: ${host}"

cpu=$(cat /proc/cpuinfo | grep "model name" | head -1 | sed "s/model name	: //")
echo "CPU: ${cpu}"

motherboard=$(sudo dmidecode -t 2 | grep "Product Name" | sed "s/	Product Name: //")
echo "Motherboard: ${motherboard}"