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Arnab Mitra arnabmitra

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Engineer at Figure

arnabmitra / Jaxrs vs Spring boot

Created April 3, 2017 03:36

	Spring to JAX-RS Cheat Sheet
	This is not an exhaustive list, but it does include the most common annotations.

	Spring Annotation JAX-RS Annotation
	@RequestMapping(path = "/troopers" @Path("/troopers")
	@RequestMapping(method = RequestMethod.POST) @POST
	@RequestMapping(method = RequestMethod.GET) @GET
	@RequestMapping(method = RequestMethod.DELETE) @DELETE
	@ResponseBody N/A
	@RequestBody N/A

arnabmitra / JAX-RS specifications and their dependencies

Created April 3, 2017 03:37

	- jaxrs-api - This is RESTeasy's packaging of the spec. It is not the official spec jar, but it does adhere to the spec contracts. RESTeasy uses this jar for the entire spec line, i.e. 1.x - current. Though the jar does change internals to adhere to the different JAX-RS versions.

	- jsr311-api - This is the official spec jar for the JAX-RS 1.x line.

	- javax.ws.rs-api - This is the official spec jar for the JAX-RS 2.x line.

	- jersey-core - This is a partial implementation of the spec. The rest of the implementation is contained inside other Jersey jars. Note that in earlier versions of Jersey, they actually packaged the JAX-RS spec APIs into this jar. It wasn't until later that it starting using the official spec jars.

arnabmitra / forkjoin pool

Created April 10, 2017 20:10

	forkJoinPool.submit(() ->
	range(1, 1_000_000).parallel().filter(PrimesPrint::isPrime)
	.collect(toList())
	).get();

arnabmitra / Kafka

Created April 11, 2017 16:26

	Kafka Server —>Kafka broker —> Kafka Node refer to the same thing.

	Kafka Broker

	A Kafka broker is a Kafka server that hosts topics.

	Locally start a kafka broker aka kafka server

	start zookeeper —> {kafka_home}/bin/zookeeper-server-start.sh config/zookeeper.properties
	start kafka server —> {kafka_home}/bin/kafka-server-start.sh config/server.properties

arnabmitra / cassandra retry

Created May 17, 2017 22:29



	import javax.inject.Inject;
	@Import(value = {LocalDbAuthConfig.class,CassandraAvailabiltyConfig.class})
	@Configuration
	@EnableRetry
	@EnableAspectJAutoProxy
	@EnableDbAuthPropertySupport
	public class CassandraConfig extends AbstractCassandraConfiguration {

arnabmitra / index.html

Created July 23, 2017 17:04

JS Bin // source http://jsbin.com/maragegesu

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://code.jquery.com/jquery.min.js"></script>
	<link href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
	<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
	<script src="http://fb.me/react-0.12.2.js"></script>
	<meta charset="utf-8">
	<title>JS Bin</title>
	</head>

arnabmitra / sbt

Last active September 21, 2017 22:42

	sbt test:compile
	sbt "test:testOnly *ScenarioModeServiceV1ImplTest"


	sbt -jvm-debug 9001

	>run 9001

arnabmitra / kotlin -- companion objects

Created November 15, 2017 16:47



	class Order(val qty:Int)

	enum class BeverageType {COFFEE,TEA}

	class ChargeManagement
	{

	companion object {

arnabmitra / Kotlin Fold example

Created November 20, 2017 00:41

	import java.math.BigDecimal


	data class Application(val name:String,val score :BigDecimal)


	fun main(args:Array<String>)
	{
	val total:BigDecimal = listOf<Application>(Application("a", BigDecimal("100")),Application("b",BigDecimal("100")))
	.map( {it.score})

arnabmitra / React

Created November 20, 2017 00:53

	import React from 'react';
	import { HashRouter as Router, Switch, Route } from 'react-router-dom';
	import SomeTool from '../../containers..';
	import SomeComp from '../../containers/..';

	const App = () => (
	<Router>
	<Switch>
	<Route path="/some-tool/:appId" exact component={c} />
	<Route path="/some-comp/:id" exact component={SomeComp} />