zjor

#!/bin/bash

if [ $# -eq 0 ]; then
	echo -e "\n\tUsage: $(basename $0) <filename.mov>\n"
	exit -1
fi

INPUT=$1
FILENAME=${INPUT%.*}

zjor

iptables challenges 101

1. Write the iptables commands that set the default POLICY to ACCEPT on INPUT and OUTPUT chains and DROP on FORWARD chain.

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP

zjor

package org.sandbox.jfx;

import javafx.animation.Interpolator;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.embed.swing.JFXPanel;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;

zjor

package com.github.zjor;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import static com.github.zjor.Sandbox.State.GREEN;
import static com.github.zjor.Sandbox.State.RED;

zjor

RIGHT = (0, 1)
LEFT = (0, -1)
UP = (-1, 0)
DOWN = (1, 0)

def rotate(d):
    if d == RIGHT:
        return DOWN
    elif d == DOWN:
        return LEFT

zjor

package org.sandbox;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoField;
import java.util.Arrays;

zjor

#include <Arduino_LSM6DSOX.h>
#include <WiFiNINA.h>

#define TOLERANCE 0.25

enum Side {
  TOP, BOTTOM, RIGHT, LEFT, FRONT, BACK
};

typedef struct {

zjor

package org.example.crypto;

import lombok.extern.slf4j.Slf4j;
import org.apache.logging.log4j.core.config.Configurator;
import org.web3j.contracts.eip20.generated.ERC20;
import org.web3j.crypto.Credentials;
import org.web3j.crypto.WalletUtils;
import org.web3j.protocol.Web3j;
import org.web3j.protocol.core.DefaultBlockParameterName;
import org.web3j.protocol.core.methods.response.TransactionReceipt;

zjor

// color_utils.h
#ifndef _COLOR_UTILS_
#define _COLOR_UTILS_

typedef struct RGB {
	unsigned char r;
	unsigned char g;
	unsigned char b;
} rgb_t;

zjor

#include <stdio.h>
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

#define GPIO_LED GPIO_NUM_13

static void init_hw(void) {
  gpio_config_t io_conf;
  io_conf.mode = GPIO_MODE_OUTPUT;