tankala’s gists

tankala / ExecutionTimeMeasurementExample.java

Created April 21, 2018 09:48

Execution Time Measurement Example in Java

	public class ExecutionTimeMeasurementExample {
	public static void main(String[] args) throws InterruptedException {
	long startTime = System.currentTimeMillis();
	sleepFunction(1000);
	sleepFunction(1000);
	long endTime = System.currentTimeMillis();
	System.out.println("Program took " + (endTime - startTime) + " ms to complete");
	}

	private static void sleepFunction(int milliSecondsToSleep) throws InterruptedException {

tankala / WrongWayToMeasureExecutionTime.js

Created April 21, 2018 10:00

Wrong way to measure execution time in Node.js

	var sleepFunction = function(milliSecondsToSleep) {
	let startTime = new Date().getTime();
	setTimeout(function() {
	console.log("Dummy CallBack");
	}, milliSecondsToSleep);
	let endTime = new Date().getTime();
	console.log("My job done in " + (endTime - startTime) + " ms");
	}

	let startTime = new Date().getTime();

tankala / CallBackWayToMeasureExecutionTime.js

Last active April 21, 2018 10:41

CallBack way to measure execution time in Node.js

	var sleepFunction = function(milliSecondsToSleep) {
	let startTime = new Date().getTime();
	setTimeout(function() {
	let endTime = new Date().getTime();
	console.log("My job done in " + (endTime - startTime) + " ms");
	}, milliSecondsToSleep);
	}

	let startTime = new Date().getTime();
	sleepFunction(1000);

tankala / CoolWayToMeasureExecutionTime.js

Created April 21, 2018 10:25

Cool way to measure execution time in Node.js

	var sleepFunction = function(milliSecondsToSleep, timerLabel) {
	console.time(timerLabel);
	setTimeout(function() {
	console.timeEnd(timerLabel);
	}, milliSecondsToSleep);
	}

	console.time("Program");
	sleepFunction(1000, "FunctionCall1");
	sleepFunction(1000, "FunctionCall2");

tankala / ConsumerGroupInitiation.js

Last active April 24, 2018 15:08

Consumer Group Initiation in Node.js

	var kafka = require('kafka-node');

	exports.initiateKafkaConsumerGroup = function (groupName, topicName) {
	var options = {
	// connect directly to kafka broker (instantiates a KafkaClient)
	kafkaHost: '127.0.0.1:9092',
	groupId: groupName,
	autoCommit: true,
	autoCommitIntervalMs: 5000,
	sessionTimeout: 15000,

tankala / KafkaProducer.js

Created April 24, 2018 15:22

Kafka Producer in Node.js

	var kafka = require('kafka-node');

	var producer = null;
	var readyFlag = false;

	var BaseModel = function () {
	};

	BaseModel.prototype.produceJob = function (topic, pload, isBatchProducer, callback) {
	module.exports.getProducer(topic, pload, isBatchProducer);

tankala / listFilesInFolder.js

Created May 23, 2018 08:02

List all files in a directory in Node.js recursively

	//We can use fs.readdir or fs.readdirSync methods
	const fs = require('fs');
	const testFolder = __dirname + '/files/';

	//Asynchronous way
	fs.readdir(testFolder, (err, files) => {
	files.forEach(file => {
	console.log(file);
	});
	})

tankala / mnistTensorFlowJS.html

Created May 26, 2018 19:38

MNIST Example using TensorFlow.js

	<html>

	<head>
	<title>MNIST</title>
	<script src="https://cdn.jsdelivr.net/npm/@tensorflow/[email protected]"> </script>
	<script type="text/javascript">
	// Variables for referencing the canvas and 2dcanvas context
	var canvas, ctx;

	// Variables to keep track of the mouse position and left-button status

tankala / table.html

Created June 9, 2018 11:24

HTML code for populating table with data which is present in json file with name jsonData.json

	<!DOCTYPE html>
	<html>

	<head>
	<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
	<script>
	function onLoad() {
	var url = 'jsonData.json';
	$.getJSON(url, function (json) {
	var table = $('<table>');

tankala / jsonData.json

Created June 9, 2018 11:26

JSON data which can be used to populate table

Tankala Ashok tankala