biboudis

class PlaylistManagerInterface : public QObject {
  Q_OBJECT

public:
  PlaylistManagerInterface(Application* app, QObject* parent)
    : QObject(parent) {}
  // methods

public slots:
  virtual void Load(const QString& filename) = 0;

biboudis

# qdbus lists all service names of services that are running and you can manipulate at the moment.
qdbus

# control dbus
qdbus org.mpris.MediaPlayer2.clementine /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Next
qdbus org.mpris.MediaPlayer2.clementine /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous

# and use --literal if you need to print the reply in plain text
qdbus --literal org.mpris.MediaPlayer2.clementine /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Playlists.ActivatePlaylist /org/mpris/MediaPlayer2/Playlists/20

biboudis

public static IObservable<Tuple<TSource, bool>> Bloom<TSource>(this IObservable<TSource> source, int size)
{
	BitArray bitmap = new BitArray(size);

	return source.Select<TSource, Tuple<TSource, bool>>(value =>
	{
		var hashCode = value.GetHashCode();
		var tuple = new Tuple<TSource, bool>(value, bitmap[hashCode] == true);
		bitmap[hashCode] = true;
		return tuple;

biboudis

IDisposable generator = Observable.Generate<Tuple<Random, int>, int>(
  new Tuple<Random, int>(new Random(), 0),
  value => value.Item2 < 100,
  value => new Tuple<Random, int>(value.Item1, value.Item2 + 1),
  value => value.Item1.Next(0, 100), scheduler).Subscribe(Console.WriteLine);

biboudis

#include "Expressions.h"

void* SumExpression::Accept(Visitor& v)
{ 
	return (void*) v.VisitSum(this);
}

void* ConstantExpression::Accept(Visitor& v)
{ 
	return (void*) v.VisitConstant(this);

biboudis

package tests.recursive;

public class GoldenRation {
    public static long fib(int n) {
        if (n <= 1) return n;
        else return fib(n-1) + fib(n-2);
    }
    
    public static double goldenratio(int n){
    	return fib(n+1)*Math.pow(fib(n),-1);