nurkiewicz

const fs = require('fs')
const json = fs.readFileSync('large.json').toString()

// Run this several times, collect times in spreadsheet, like an animal
start = Date.now(); JSON.parse(json); Date.now() - start

nurkiewicz

Keybase proof

I hereby claim:

• I am nurkiewicz on github.
• I am nurkiewicz (https://keybase.io/nurkiewicz) on keybase.
• I have a public key whose fingerprint is 53BB 9925 9172 1BC4 5201 42A3 BC59 60D4 5F3C 7EA3

To claim this, I am signing this object:

nurkiewicz

package com.nurkiewicz.mixit;

import lombok.Value;
import lombok.extern.slf4j.Slf4j;
import org.junit.Test;
import rx.Observable;
import rx.observers.TestSubscriber;
import rx.schedulers.Schedulers;
import rx.schedulers.TestScheduler;

nurkiewicz

import spock.lang.Specification
import spock.lang.Unroll

import java.time.*

@Unroll
class BankSpec extends Specification {
    final ZoneId warsaw = ZoneId.of("Europe/Warsaw")

    def 'should calculate downtime also in DST'() {

nurkiewicz

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.stereotype.Component;

import java.time.Duration;
import java.time.Instant;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

nurkiewicz

final CronExpression cronExpression = new CronExpression("0 0 5 * * ?");
Date since = new Date();
for (int i = 0; i < 100; i++) {
    since = cronExpression.getNextValidTimeAfter(since);
    System.out.println(since);
}

nurkiewicz

@Bean
public EmbeddedServletContainerFactory embeddedServletContainerFactory() {
	final JettyEmbeddedServletContainerFactory factory = new JettyEmbeddedServletContainerFactory();
	factory.addServerCustomizers(server -> {
		MBeanContainer mbContainer = new MBeanContainer(ManagementFactory.getPlatformMBeanServer());
		server.addEventListener(mbContainer);
		server.addBean(mbContainer);
	});
	return factory;
}

nurkiewicz

import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Solution: https://ideone.com/qcHw1f
 */
class Main {

  public static void main(String[] args) {
    Path path = Paths.get("/");

nurkiewicz

scala> Stream.
	iterate("*"){_ + "*"}.
	take(5).
	foreach(println)
*
**
***
****
*****

nurkiewicz

import static org.mockito.Mockito.doAnswer;

//...

	doAnswer(slowly()).when(timeConsumingExternalServiceMock).process();

//...

	private static Answer<Object> slowly() {
		return new Answer<Object>() {