jonas-grgt

/**
 * A thread-safe lazy object reference that will only initialize its value when get() is called.
 */
public abstract class Lazy<T> {
    private volatile T object;
    private volatile boolean initialized;

    @JsonValue
    public T get() {
        T result = object;

jonas-grgt

import org.apache.log4j.*;

public class LogClass {
   private static org.apache.log4j.Logger log = Logger.getLogger(LogClass.class);
   
   public static void main(String[] args) {
      log.setLevel(Level.WARN);

      log.trace("Trace Message!");
      log.debug("Debug Message!");

jonas-grgt

class Version {
    Integer major;
    Integer minor;
    Integer patch;

    Version(major, minor, patch) {
        this.major = major
        this.minor = minor
        this.patch = patch
    }

jonas-grgt

import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;

@SuppressWarnings("unused")
public class Scenario<T> {

    private State state;
    private final String description;
    private final Supplier<T> contextSupplier;

jonas-grgt

import android.support.annotation.NonNull;

import com.annimon.stream.function.Consumer;

import rx.Observable;
import rx.Scheduler;
import rx.Subscriber;
import rx.Subscription;

public class RetroObservable<T> {

jonas-grgt

public class Format {
    public static String format(String source, String ... args) {
        return String.format(source.replaceAll("\\$\\w+", "%s"), (Object[]) args);
    }
}

jonas-grgt

public static <T> Optional<T> resolve(Supplier<T> resolver) {
    try {
        T result = resolver.get();
        return Optional.ofNullable(result);
    } catch (NullPointerException e) {
        return Optional.empty();
    }
}

jonas-grgt

public static Set<String> getNamedGroupCandidates(String regex) {
    Set<String> namedGroups = new TreeSet<>();
    Matcher m = Pattern.compile("\\(\\?<([a-zA-Z0-9]*)>").matcher(regex);
    while (m.find()) {
        namedGroups.add(m.group(1));
    }
    return namedGroups;
}

jonas-grgt

Moving from jQuery

Events

// jQuery
$(document).ready(function() {
  // code
})

jonas-grgt

from django import template

register = template.Library()


@register.tag(name="raw")
def raw(parser, token):
    # Whatever is between {% raw %} and {% endraw %} will be preserved as
    # raw, unrendered template code.
    text = []