banterCZ

import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.cdi.server.VaadinCDIServlet;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;

/**
 * PM custom Vaadin servlet.
 * <p>Vaading config <code>productionMode</code> is set by default to <code>true</code>.

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import java.time.Clock;
import java.time.LocalTime;

public class TimeMachine {

    private LocalTime from = LocalTime.MIDNIGHT;

    private LocalTime until = LocalTime.of(6, 0);

    private Clock clock = Clock.systemDefaultZone();

banterCZ

CREATE USER MONITORING IDENTIFIED BY password;
GRANT CREATE SESSION TO MONITORING;
GRANT SELECT any dictionary MONITORING;
GRANT SELECT ON V_$SYSSTAT TO MONITORING;
GRANT SELECT ON V_$INSTANCE TO MONITORING;
GRANT SELECT ON V_$LOG TO MONITORING;
GRANT SELECT ON SYS.DBA_DATA_FILES TO MONITORING;
GRANT SELECT ON SYS.DBA_FREE_SPACE TO MONITORING;

banterCZ

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.By;

banterCZ

public class JTSK {

	private double x;

	private double y;

	public JTSK(double x, double y) {
		this.x = x;
		this.y = y;
	}

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    /**
     * Optional property <code>myApp.node-name</code>, hostname otherwise.
     */
    @Value("#{'${myApp.node-name:}'?:T(java.net.InetAddress).getLocalHost().getHostName()}")
    private String nodeName;

banterCZ

(= 65
  (/ 
    (reduce + (filter #(> % 50) ages))
    (count (filter #(> % 50) ages))
  )
)

banterCZ

import javax.annotation.PostConstruct;
 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
 
/**

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{
  "traceId": "491a1826-0fa1-46d8-970d-704027a2548b",
  "code": "validation.error",
  "message": "Validation failed",
  "errors": [
    {
      "attributeCode": "firstName",
      "messageCode": "validation.empty"
    },
    {

banterCZ

public class SecureRandomTest {
    public static void main(String[] args) {
        System.out.println("SecureRandom Test");
        final SecureRandom random = new SecureRandom(); // Default: Win - SHA1PRNG, Linux/maxOS - NativePRNG
        // final SecureRandom random = SecureRandom.getInstance("NativePRNGNonBlocking");
        System.out.println("Algorithm: " + random.getAlgorithm());
        for (int i = 0; i < 100; i++) {
            System.out.print('.');
            final byte[] seed = random.generateSeed(2 * 8);
        }