Lucas Parzianello lucaspar

## gpg_backup.md

      
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              October 4, 2019 20:26
            
              
                [ BKP ] Backing up GPG keys
              
          
    Backing up GPG keys 🔐


Based on here

Export:

gpg --armor --export > pub.asc
gpg --armor --export-secret-keys > priv.asc
gpg --armor --export-ownertrust &gt; trust.asc

  
## corr_conv.py
#!/usr/bin/env python

# Implementation of correlation and convolution kernels with no dependencies (e.g. numpy)
# Translated from the mathematical expressions with a focus on readability (not very "pythonic")

# ----------

# print image matrix
def printimg(img, title=''):

## ackermann.cpp
#include <iostream>
#include <cstdlib>
#include <cstring>

#define MAX_M 10
#define MAX_N 1000000
#define VERBOSE false

// ------------------------------------------------------------
// Ackermann sample with memoization technique for optimization

## landisc.py
#!/usr/bin/python3

# List all hosts' IP adresses in the
# local network reachable by nmap -sn

import os
import re
import sys

if __name__ == "__main__":

## mac_finder.py
"""Method to find MAC address in text (find_mac_address()) and testing routine."""
from dataclasses import dataclass
from typing import List, Optional, Set
import re
import random

RANDOM_SEED = 42
RND = random.Random(RANDOM_SEED)


## opencv-build.sh
#!/usr/bin/env bash
#
# ========================================================================
#   Script for compilation and installation of OpenCV with CUDA hardware
#       acceleration for a Python environment on an Ubuntu-based machine.
# ========================================================================
#       Originally written for OpenCV 4.6.0 and Ubuntu 20.04
#
# The script attempts to automatically infer the CUDA version and location
#   (thank you NVIDIA for making this more complicated than necessary!).

## phone_as_audio_source.sh
#######################################################################
## Sets phone as audio source for laptop speakers through bluetooth  ##
#######################################################################

# check bluetooth
rfkill list

# if bluetooth blocked, run
rfkill unblock bluetooth

## benchmark.py
"""Benchmarks for the video reader: OpenCV vs Torchvision.

OpenCV is faster than Torchvision when just reading the frames, but it's slower when
    adding the conversions to RGB, tensor, float, and stacking the frames.

Results:
    Benchmarking OpenCV
            Read 300 frames in 0.84 seconds
            Read 300 frames in 0.81 seconds
            Read 300 frames in 0.98 seconds

## commands
#!/usr/bin/env bash
# Helper program to list useful CRC commands

function get_pager_cmd() {
    if command -v bat &>/dev/null; then
        echo "bat -l bash"
    else
        echo cat
    fi
}

## cisco_vpn_autoconnect.sh
#!/bin/env bash
# Script to automate VPN client start and entering credentials
#   "xdotool key" and "xdotool type" commands were not working
#   most of times when using the --window option, so the script
#   uses the "wmctrl" to switch window focus before typing or
#   pressing keys.
# === BEFORE FIRST EXECUTION ===
#   Set VPN_USERNAME below;
#   Store the VPN password once with secret-tool:
#       secret-tool store --label "Cisco VPN credentials" vpn_client "$VPN_USERNAME"
	#!/usr/bin/env python

	# Implementation of correlation and convolution kernels with no dependencies (e.g. numpy)
	# Translated from the mathematical expressions with a focus on readability (not very "pythonic")

	# ----------

	# print image matrix
	def printimg(img, title=''):
	#include <iostream>
	#include <cstdlib>
	#include <cstring>

	#define MAX_M 10
	#define MAX_N 1000000
	#define VERBOSE false

	// ------------------------------------------------------------
	// Ackermann sample with memoization technique for optimization
	#!/usr/bin/python3

	# List all hosts' IP adresses in the
	# local network reachable by nmap -sn

	import os
	import re
	import sys

	if __name__ == "__main__":
	"""Method to find MAC address in text (find_mac_address()) and testing routine."""
	from dataclasses import dataclass
	from typing import List, Optional, Set
	import re
	import random

	RANDOM_SEED = 42
	RND = random.Random(RANDOM_SEED)
	#!/usr/bin/env bash
	#
	# ========================================================================
	# Script for compilation and installation of OpenCV with CUDA hardware
	# acceleration for a Python environment on an Ubuntu-based machine.
	# ========================================================================
	# Originally written for OpenCV 4.6.0 and Ubuntu 20.04
	#
	# The script attempts to automatically infer the CUDA version and location
	# (thank you NVIDIA for making this more complicated than necessary!).
	#######################################################################
	## Sets phone as audio source for laptop speakers through bluetooth ##
	#######################################################################

	# check bluetooth
	rfkill list

	# if bluetooth blocked, run
	rfkill unblock bluetooth
	"""Benchmarks for the video reader: OpenCV vs Torchvision.

	OpenCV is faster than Torchvision when just reading the frames, but it's slower when
	adding the conversions to RGB, tensor, float, and stacking the frames.

	Results:
	Benchmarking OpenCV
	Read 300 frames in 0.84 seconds
	Read 300 frames in 0.81 seconds
	Read 300 frames in 0.98 seconds
	#!/usr/bin/env bash
	# Helper program to list useful CRC commands

	function get_pager_cmd() {
	if command -v bat &>/dev/null; then
	echo "bat -l bash"
	else
	echo cat
	fi
	}
	#!/bin/env bash
	# Script to automate VPN client start and entering credentials
	# "xdotool key" and "xdotool type" commands were not working
	# most of times when using the --window option, so the script
	# uses the "wmctrl" to switch window focus before typing or
	# pressing keys.
	# === BEFORE FIRST EXECUTION ===
	# Set VPN_USERNAME below;
	# Store the VPN password once with secret-tool:
	# secret-tool store --label "Cisco VPN credentials" vpn_client "$VPN_USERNAME"