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Why isn't my output in base 8?


Why isn't my output in base 8?

By : user2953351
Date : November 20 2020, 01:01 AM
hope this fix your issue So I am looking to make a base8 clock. Still using twenty four 308 hours in a day, for convenience. I would have thought that converting the indivual values to base 8 in the last step before throwing them in an order and displaying them would work but I'm getting weird values out which are nowhere near the current time. It's even gave me numbers such as 9. Base8 has no 9, it has 118. , Apart from the fact that you need to do
code :
setTimeout(show2, 1000)
var hour8 = parseInt(hours).toString(8)


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Why base class constructor isnt called first

Why base class constructor isnt called first


By : Atul Raj
Date : March 29 2020, 07:55 AM
Does that help I think it is because it needs to handle the case where a virtual method or intializer is called within the constructor.
Graph data structure. program output isnt working like i want

Graph data structure. program output isnt working like i want


By : Simon Wong
Date : March 29 2020, 07:55 AM
I wish this helpful for you The logic issue in your code is the use of getNextEdge. It seems that at each node, you're only picking one edge to explore, but based on your expected output, it seems like you actually want to explore every edge.
Here's my take on the code, replacing the use of getNextEdge with a loop over all the edges leaving that node:
code :
function Graph() {
  this.edges = {};

  this.addNode = function(label) {
    this.edges[label] = {};
  };

  this.addEdge = function(from, to, cost) {
    this.edges[from][to] = cost;
    this.edges[to][from] = cost;
  };

  this.calculatePaths = function(from, to, cost, path) {
    // Recursion base case: we're already at the destination node
    if (from === to) {
      this.displayPath(path, cost);
    } else {
      // Capture this, since it will be reassigned in the loop
      var that = this;
      Object.keys(this.edges[from]).forEach(function (next) {
        // Don't visit this node again if we already have
        for (var i = 0; i < path.length; i++) {
          if (path[i] === next) {
            return;
          }
        }

        // Recurse
        that.calculatePaths(next, to, cost + that.edges[from][next], path.concat([next]));
      });
    }
  };

  this.displayPath = function(path, cost) {
    console.log(path.join(", ") + ' Cost: ' + cost);
  };
}

function calculate(from, to) {
  var g = new Graph();

  g.addNode('A');
  g.addNode('B');
  g.addNode('C');
  g.addNode('D');
  g.addNode('E');
  g.addNode('F');
  g.addNode('G');

  g.addEdge('A', 'B', 2);
  g.addEdge('A', 'C', 1);
  g.addEdge('B', 'D', 1);
  g.addEdge('B', 'G', 1);
  g.addEdge('C', 'D', 1);
  g.addEdge('C', 'E', 1);
  g.addEdge('D', 'E', 2);
  g.addEdge('D', 'F', 1);
  g.addEdge('D', 'G', 2);

  g.calculatePaths(from, to, 0, [from]);
}

calculate('F', 'C');
Why isnt the output showing k1, k2, k3?

Why isnt the output showing k1, k2, k3?


By : user3029138
Date : March 29 2020, 07:55 AM
hop of those help? You are trying to print all key, value pair from your dictionary d. But you are only able to see first character of the key when you try to print key. I will explain you by splitting your for loop for key,value in d.keys().
This is your dictionary, d
code :
d = {'k1':1,'k2':2,'k3':3}
print(d.keys()) # outputs dict_keys(['k1', 'k2', 'k3'])
key,value = 'k1' # this happens with each of the keys in the list 
print(key,value) # output k 1
d={'k1':1,'k2':2,'k3':3}
for key in d.keys():
    print(key)
k1
k2
k3
for key,value in d.items():
    print(key,value)
k1 1
k2 2
k3 3
list Dictionary output isnt what i expected

list Dictionary output isnt what i expected


By : user3376603
Date : March 29 2020, 07:55 AM
seems to work fine cursor.fetchall() is going to return a list of dictionaries using this method. This is expected. It might make more sense for you to do something like this if you want to process each row independently:
code :
for rowDict in c:
    do_something_with_row_dict(rowDict)
JAVA SWING GUI: Code isnt producing the right output

JAVA SWING GUI: Code isnt producing the right output


By : Donna Gordon
Date : March 29 2020, 07:55 AM
To fix the issue you can do First of all, your JLabels "cent" and "inch" were never instantiated as a new JLabel(); Secondly, in your ButtonHandlerCM you attempted to use String.format() on double inch which had not been declared yet. I fixed these things and cleaned up your code a little bit for the sake of conciseness.
ConvertGUI.java
code :
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class ConvertGUI extends JFrame
{

    private JLabel label1;
    private JLabel label2;
    private JLabel label3;
    private JLabel label4;
    JLabel cent = new JLabel();
    JLabel inch = new JLabel();

    private JTextField inches;
    private JTextField centimeters;

    private JButton INtoCMButton;
    private JButton CMtoINButton;

    public ConvertGUI()
    {

        super( "Measurement Converter Application" );
        setLayout( new FlowLayout() );

        ImageIcon icon=new ImageIcon( getClass().getResource("ruler.png"));

        label1 = new JLabel(icon);
        add( label1 );

        label2 = new JLabel( "metric converter" );
        add( label2 );

        label3 = new JLabel( "inches:" );
        add( label3 );

        label4 = new JLabel( "centimeters:" );
        add( label4 );

        centimeters = new JTextField( 10 );
        add( centimeters);

        inches = new JTextField( 10 );
        add( inches);

        INtoCMButton = new JButton( "Convert to CM" );
        INtoCMButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent event)
            {
                double num = Double.parseDouble( inches.getText() );
                double centimeters = (num *2.54);
                String INtoCM_String = String.format("%.1f", centimeters) ;
                cent.setText(INtoCM_String);
            }
        });

        add( INtoCMButton );
        CMtoINButton = new JButton( "Convert to IN" );
        CMtoINButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent ev) {
                double num = Double.parseDouble( centimeters.getText() );
                double inch = (num /2.54);
                String CMtoIN_String= String.format("%.1f", inch) ;
                inches.setText( CMtoIN_String  );
            }
        });
        add( CMtoINButton );
    }
}
import javax.swing.JFrame;

public class Prog9 {

    public static void main(String[] args)
    {
        ConvertGUI window = new ConvertGUI();
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.setSize( 250, 180 );
        window.setVisible(true);

    }
}
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