How to install Podman 4 in Linux Mint

wget -O- "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04/Release.key" | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/devel_kubic_libcontainers.gpg

echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list

RodrigoDornelles / dont_assign_string.c

Created February 23, 2023 14:59

Dangerous memory leakage without compiler warnings in C Language.

	#include <stdio.h>
	#include <stdlib.h>

	int main()
	{
	char* foo = malloc(4);
	char* old_foo = foo;
	foo[0] = 'f';
	foo[1] = 'o';
	foo[2] = 'o';

RodrigoDornelles / max.py

Created February 2, 2023 13:50

greatest number between A and B

	def max(a, b):
	return (a + b + abs(a - b)) / 2

RodrigoDornelles / safe_secret_input_posix.c

Created December 20, 2022 20:47

How to handle terminal in a safe protected way when cash/interrupt.

	#include <unistd.h>
	#include <fcntl.h>
	#include <termios.h>

	static unsigned int fid;
	static struct termios term;
	static char error_stdin[] = "[!] error in /dev/stdin";
	static char question_name[] = "[?] what is your secret name:\n";
	static char awsner_name_1[] = "[!] ok, good day ";
	static char awsner_name_2[] = "!\n";

RodrigoDornelles / force_true_isatty.sh

Created September 6, 2022 13:59

mama I want to take the risk of breaking my system.

script --return --quiet -c "[command here]" /dev/null

RodrigoDornelles / from-scratch-boolean.js

Created July 8, 2022 23:41

from scratch boolean logic recreation based on the pure functional paradigm and lambda calculus.

	const TRUE = (p) => (q) => (p)
	const FALSE = (p) => (q) => (q)
	const OR = (p) => (q) => p(p)(q)
	const NOT = (p) => (p)(FALSE)(TRUE)
	const AND = (p) => (q) => (p)(q)(FALSE)
	const PROG = (func) => FALSE(func())(PROG)
	const PRINT = (text) => () => TRUE(console.log(text))
	const IF = (cond) => (execute) => (nonexecute) => (cond(execute)(nonexecute))()

	PROG

RodrigoDornelles / from-scratch-oop.php

Last active July 21, 2022 20:54

from scratch object-oriented recreation based on the functional paradigm.

	<?php

	$class = call_user_func(function () {
	$objects = [];

	return function() use (&$objects) {
	return (object) [
	'instanceof' => function($object) use (&$objects) {
	return in_array($object, $objects);
	},

RodrigoDornelles / animate-number.js

Created December 28, 2021 17:43

Increment animation when scroll to number


	document.addEventListener("DOMContentLoaded", () => {
	const elements = document.querySelectorAll('.animate-number');
	const lerp = (start, end, amt) => Math.round((1-amt)start+amtend);
	const interval = 10;
	const amount = 0.03;

	const increment = (el) => {
	el.setAttribute('data-now', lerp(el.getAttribute('data-now'), el.getAttribute('data-end'), amount));
	el.innerText = Number(el.getAttribute('data-now')).toLocaleString();

RodrigoDornelles / command.sh

Created July 14, 2021 17:58

Discover folders that take up more disk space.

du -bsh * > big_folders.txt &

RodrigoDornelles / wget

Created June 25, 2021 14:40

Download the entire website with the wget command

	wget \
	--recursive \
	--no-clobber \
	--page-requisites \
	--html-extension \
	--convert-links \
	--restrict-file-names=windows \
	--domains example.com \
	--no-parent \
	example.com/site/home