Brad Roodt autumn8

autumn8 / mqtt_camera.py

Last active February 15, 2022 08:13

Streaming images over MQTT to coral usb accelerator

	from imutils.video import VideoStream
	from datetime import datetime
	import imutils
	import time
	import cv2
	import socket
	import paho.mqtt.client as mqtt
	import json
	import socket

autumn8 / coral_object_detection_minimal.py

Last active June 23, 2019 19:49

	import numpy as np
	import cv2
	import time
	from PIL import Image
	from edgetpu.detection.engine import DetectionEngine
	from imutils.video import VideoStream
	from utils import get_labels

	model = "mobilenet_ssd_v2_coco_quant_postprocess_edgetpu.tflite"
	labels = "coco_labels.txt"

autumn8 / pi_camera_receive_frames_mqtt.py

Last active April 26, 2019 06:17

Sending/ receiving camera frames from raspberry pi with mqtt

	import paho.mqtt.client as mqtt
	import cv2
	import numpy as np

	def on_connect(client, userdata, flags, rc):
	print("Connected with result code "+str(rc))
	client.subscribe("camera/image")

	def on_message(client, userdata, msg):
	frame = cv2.imdecode(np.fromstring(msg.payload, dtype='uint8'), -1)

autumn8 / promiseAwaitWrapper.js

Created September 20, 2018 12:58

Handling promise fails with await

	function asyncRequest () {
	return new Promise((resolve, reject) => {
	resolve('resolved with some data');
	//reject('rejected promise');
	//throw new Error('error thrown');
	});
	}

	function __(promise) {
	return promise

autumn8 / safeContract.sol

Created July 11, 2018 07:37

	// fixed compiler version
	pragma solidity 0.4.23;

	// Contract with owner permissions
	contract Ownable {
	address internal owner;

	constructor() public {
	owner = msg.sender;
	}

autumn8 / upgradeableSolidityContract.sol

Last active May 23, 2018 08:21

Simple upgradeable Solidity Contract

	pragma solidity ^0.4.23;

	contract Main{
	IDataProvider dataProvider;
	address public owner;

	constructor(IDataProvider _dataProvider) public {
	owner = msg.sender;
	dataProvider = _dataProvider;
	}

autumn8 / iterator.js

Created June 3, 2016 06:43

Iteration protocol on arrays

	//iterate array
	const names = ['Tom', 'Dave','Lincoln'];

	const iterateNames = names[Symbol.iterator]();

	console.log(iterateNames.next());

	//iterate over string

autumn8 / decorators.js

Last active August 29, 2015 14:27

ES2016 Class Decorator

	//class decorator with no params
	function boots(target) {
	target.prototype.boots = 'La Sportiva'
	}

	//class decorator with params
	function backpackContents(contents) {
	return function(target) {
	target.prototype.backPackContents = contents;
	}