by: K S Aldebaraan |
last post by:
I'm trying to submit a form with an action of a servlet, and a view
equal to the same jsp page. I'm not sure what I'm doing wrong, but
keep getting a NullPointerException on the second line of...
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by: gabryh |
last post by:
Hi,
The following code throws me NullPointerException.
.....
public static boolean isEmpty(String value) {
return ((value == null) || (value.trim().equals("")));
}
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by: Old-timer |
last post by:
Not sure where else to post this.
I'm sure I'm doing something wrong, but I wouldn't think a simple app
would give me so much trouble. I've got a small test java class that
I'm trying to have...
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by: oll3i |
last post by:
private List<Klient> klienci;
m_add_client.addActionListener( new ActionListener() {
public void actionPerformed(ActionEvent e) {
...
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by: ketand1 |
last post by:
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.sql.*;
import java.lang.*;
class DbAwt extends Frame implements ActionListener
{
private...
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by: sokeefe |
last post by:
I am trying to edit the GUI of a project in Netbeans. In particular, I am trying to add new JButtons. I get a NullPointerException when I try to add an Event to any given JButton (even ones that...
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by: sokeefe |
last post by:
I am trying to edit the GUI of a project in Netbeans. In particular, I am trying to add new JButtons. I get a NullPointerException when I try to add an Event to any given JButton (even ones that...
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by: r035198x |
last post by:
This exception occurs often enough in practice to warrant its own article. It is a very silly exception to get because it's one of the easiest exceptions to avoid in programming. Yet we've all got it...
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by: chris123456789 |
last post by:
Hi, when I run my code I get a NullPointerException:null. Here is the part of the code where the error occurs:
import java.util.*;
import java.io.*;
public class Decrypt
{
...
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by: DolphinDB |
last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation.
Take...
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by: Aftab Ahmad |
last post by:
Hello Experts!
I have written a code in MS Access for a cmd called "WhatsApp Message" to open WhatsApp using that very code but the problem is that it gives a popup message everytime I clicked on...
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by: Aftab Ahmad |
last post by:
So, I have written a code for a cmd called "Send WhatsApp Message" to open and send WhatsApp messaage. The code is given below.
Dim IE As Object
Set IE =...
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by: ryjfgjl |
last post by:
ExcelToDatabase: batch import excel into database automatically...
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by: marcoviolo |
last post by:
Dear all,
I would like to implement on my worksheet an vlookup dynamic , that consider a change of pivot excel via win32com, from an external excel (without open it) and save the new file into a...
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by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
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by: jfyes |
last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
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by: ArrayDB |
last post by:
The error message I've encountered is; ERROR:root:Error generating model response: exception: access violation writing 0x0000000000005140, which seems to be indicative of an access violation...
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by: PapaRatzi |
last post by:
Hello,
I am teaching myself MS Access forms design and Visual Basic. I've created a table to capture a list of Top 30 singles and forms to capture new entries. The final step is a form (unbound)...
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