tonkatsu7’s gists

tonkatsu7 / 0_reuse_code.js

Last active October 5, 2016 12:38

Here are some things you can do with Gists in GistBox.

	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console

tonkatsu7 / sigfoxNotify.js

Created December 10, 2017 10:25

DynamoDB trigger publishes every record to SNS

	'use strict';

	console.log('Loading function');
	var AWS = require("aws-sdk");

	exports.handler = (event, context, callback) => {
	console.log('Received event:', JSON.stringify(event, null, 2));
	event.Records.forEach((record) => {
	console.log(record.eventID);
	console.log(record.eventName);

tonkatsu7 / sigfoxAlert.js

Created December 10, 2017 10:35

DynamoDB trigger that inserts a new record into a table called alerts if 3 or more records received in source table

	console.log('Loading function');

	var AWS = require("aws-sdk");
	var docClient = new AWS.DynamoDB.DocumentClient();

	exports.handler = (event, context, callback) => {
	console.log('Received event:', JSON.stringify(event, null, 2));
	event.Records.forEach((record) => {
	console.log('Stream record: ', JSON.stringify(record, null, 2));
	console.log(record.eventID);

tonkatsu7 / xkitParsingFunction.js

Created December 10, 2017 10:38

XKit parsing function from Thinxtra tutorial

	console.log('Loading event');
	var AWS = require('aws-sdk');
	var dynamodb = new AWS.DynamoDB();
	var iotData = new AWS.IotData({endpoint: 'something.iot.ap-southeast-2.amazonaws.com'});

	//make sure your replace your_AWS_endpoint_you_copied_earlier with the value you copied just before

	exports.handler = function(event, context) {
	console.log("Request received:\n", JSON.stringify(event));
	console.log("Context received:\n", JSON.stringify(context));

tonkatsu7 / xkit2Elastic.js

Last active December 10, 2017 10:51

AWS IoT (MQTT gateway) to elastic passthrough for Thinxtra XKit

	console.log('Loading event');
	var elasticsearch = require('elasticsearch');

	exports.handler = function(event, context) {
	console.log("Request received:\n", JSON.stringify(event));
	console.log("Context received:\n", JSON.stringify(context));

	var tableName = event.device;
	var time = event.time;
	var Temperature = event.data.Temperature;

tonkatsu7 / stopItunesOnBTPlay.sh

Created December 12, 2017 19:41

Prevent iTunes from opening when pressing play from Bluetooth headphones on MacOS

	# https://discussions.apple.com/thread/6987059?start=0&tstart=0
	sudo chmod -x /System/Library/CoreServices/rcd.app/Contents/MacOS/rcd && sudo killall -9 rcd

tonkatsu7 / flattenArray.js

Created December 16, 2017 06:17

Flatten a javascript array

	var arr1 = ['a', 'b', 'c'];
	console.log(arr1.length);
	var arr2 = ['d', 'e', 'f'];
	console.log(arr2.length);
	var arr3 = ['g', 'h', 'i'];
	console.log(arr3.length);
	var nested = [arr1, arr2, arr3];
	console.log('nested=' + nested);
	console.log(nested.length);
	var flattened = [].concat.apply([], nested);

tonkatsu7 / getUNIXTeimstamp.js

Created December 18, 2017 08:42

Get the UNIX timestamp in seconds rather than millis

var ts = Math.round((new Date()).getTime() / 1000);

tonkatsu7 / plotSomething.m

Created January 6, 2018 00:22

Plot simple function in Matlab/Octave

	n = 46:1:200;
	plot(n, log(n.^2));

tonkatsu7 / runSEDailyApiLocally.sh

Created February 24, 2018 09:01

Running SEDaily backend api locally

	cp .env.docker_exmaple .env
	npm install
	yarn
	docker-compose up
	mongorestore -d express-mongoose-es6-rest-api-development sed-test-db/