dftaiwo

const int TRIG_PIN   = 4; 
const int ECHO_PIN   = 5; 
const int BUZZER_PIN = 3; 
const int DISTANCE_THRESHOLD = 30;

// variables will change:
float duration_us, distance_cm;

void setup() {
  Serial.begin (9600);         

dftaiwo

#!/bin/bash
##author - dftaiwo
## Expects that an Android device is connected via ADB on USB/Wifi
filename="$1.png"

if [ $# -eq 0 ]
then
	filename="android_screenshot_`date +"%Y-%m-%d_%H-%M-%S"`.png"
fi

dftaiwo

if [ -f .env ]
then
  export $(cat .env | sed 's/#.*//g' | xargs)
fi

dftaiwo

<script>
$('input[required], select[required],textarea[required]').each(function(){$($(this).parent()).find('label').addClass('required')});
</script>

<style>
   .required:after{
				content:" *";
				font-weight:bold;
				color:red;
			 }

dftaiwo

{
  "rules": {
    "articles": {
      ".read": "root.child('users').child(auth.uid).child('subscribed').val() == true"
    }
  }
}

dftaiwo

{
  "rules": {
    "users": {
      "$user": {
        "created": {
          ".validate": "newData.val() < now"
        }
      }
    }
  }

dftaiwo

 "messages": {
      "$message": {
        ".read": "data.child('timestamp').val() > (now - 600000)"
    	  }
  	}

dftaiwo

{
  "rules": {
    "profiles":{
      ".validate": "newData.hasChildren([
                                    'age', 
                                   'first_name', 
                                   'last_name', 
                                   'state'
                                   ])"
    }

dftaiwo

{
  "rules": {
    ".read":"auth.uid != null",
    ".write":false,
    "users": {
      "$uid": {
        ".write": "$uid == auth.uid"
      }
    }
  }

dftaiwo

{
  "rules": {
    "users": {
      "$user_id": {
        ".write": "$user_id === auth.uid"
      }
    }
  }
}