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#!/bin/bash

SSH_DIR="${HOME}/.ssh"
chmod 700 "${SSH_DIR}"

find "${SSH_DIR}" -type f \( -name 'id_rsa' -o -name 'id_dsa' -o -name 'id_ecdsa' -o -name 'id_ed25519' \) -exec chmod 600 {} \;
find "${SSH_DIR}" -type f \( -name '*.pub' -o -name 'known_hosts' -o -name 'authorized_keys' \) -exec chmod 644 {} \;

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#include <iostream>
#include <functional>
#include <unordered_map>
#include <tuple>

// Define a hash function for std::tuple so that it can be used as a key in std::unordered_map
namespace std {
    template <typename... T>
    struct hash<std::tuple<T...>> {
        size_t operator()(const std::tuple<T...>& t) const {

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# FLASK Webapp for Image Segmentation Model

import os, sys, io
sys.path.append(".")
import webapp

from flask import Flask
import flask
import numpy as np
import pandas as pd

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Server: Install webdav server

python -m pip install wsgidav cheroot lxml

Server: Run web dav server

python -m wsgidav.server.server_cli -p60012 --root=/ --auth=anonymous -Hlocalhost

Client: Configure ssh config

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#!/usr/bin/env python3


from pathlib import Path
import os
import sys
from subprocess import Popen, PIPE, getoutput
from shlex import split
from contextlib import redirect_stdout
import argparse

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#!/usr/bin/env python3

from argparse import ArgumentParser
from functools import partial
from shutil import copy
from subprocess import Popen, PIPE
from shlex import split
import os
import re
import atexit

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Setting Up OpenCL for OpenCV on Android, the full story

The tutorial Use OpenCL in Android camera preview based CV application show us how we can use the Transparent API to dramatically increase the performance of some expensive operations.

The first step in order to be able to execute the tutorial example is to re-compile opencv with the correct flags:

# Export your NDK, it will be looked for OpenCV to compile your project. In my case
export ANDROID_NDK=~/graffter/libs/android-ndk-r10d/

# Download the necessary code

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from pathlib import Path
import logging
import sys

def set_logger(error_file: Path, info_file: Path):
    error_file = Path(error_file).expanduser().resolve()
    error_file.parent.mkdir(exist_ok=True, parents=True)

    info_file = Path(info_file).expanduser().resolve()
    info_file.parent.mkdir(exist_ok=True, parents=True)

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# To use geoip
sudo apt install geoip-database libgeoip-dev

py_ver=`python -c "from sys import version_info as vi; print(f'{vi[0]}.{vi[1]}')"`
sudo apt install python${py_ver}-venv

pip install pipx
pipx install deluge
pipx inject deluge libtorrent GeoIP

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Usefull commands

Get current ativity: dumpsys activity activities | grep mResumedActivity

Uninstall app example: pm uninstall -k --user 0 com.aura.oobe.samsung.gl

Restore removed app example: pm install-existing com.aura.oobe.samsung.gl