All Questions

1
answer

Error resizing Swing components in Java

I am developing a desktop application in Java Swing, which should work like this: Within the JFrame , there is a JSplitPane object that has a JList within a JSrollPane and a JPanel . The first object must modi...
asked on 13.09.2016 / 03:11
1
answer

program the average Excel function in javascript or another language

I need help to know how I can calculate the average of this table, where the third column is the value to calculate in excel The formula would be something like this: Promedio(0.63,518:461,0.60:0.70); just that I can not think of how to p...
asked on 12.09.2016 / 01:11
1
answer

I have an error showing data in a Grid

I'm working with Java Spring , hibernate and maven and when I see the data in a grid I get this error:    SyntaxError: JSON.parse: unexpected end of data at line 1 column 147704 of the JSON data. But it only comes up when I add data...
asked on 12.09.2016 / 14:30
1
answer

How to upload multiple files to a record of a SQL server table from VB.NET and ASP.NET

Currently I have an ASP application where I make certain information records, to this record I attach a PDF file, for that I store the file in a folder within my project and save the path in my bd. My question is, in the case that I want to a...
asked on 12.09.2016 / 16:00
1
answer

How can the asNoTracking () extension be used in context?

I am doing several movements at the same time, and I try to achieve that if one screen I make an exit, in the other being open I check the existence of data, so I am using the extension of Linq "asNoTracking" to be able to consult the correct da...
asked on 12.09.2016 / 15:27
1
answer

Router ports do not open

I am trying to open the DPQ3925 router ports by forwarding to an internal host. However, these do not open. Nor does remote access work despite being activated. What could be happening? I already passed the nmap and the ports are sti...
asked on 10.09.2016 / 11:58
1
answer

CodeIgniter - base_url problem

Recently I started developing an application with the CodeIgniter framework and I ran into the following problem. The method base_url() returns something that is not the default path of my application and this has brought me certain probl...
asked on 28.05.2016 / 21:21
1
answer

JList does not fill up when I open a window

I have two windows, one that I open from the other. This is VistaAlbumesBuscar : public class VistaAlbumesBuscar extends JFrame implements ActionListener{ /** * Componentes de la ventana */ private Coordinador miCoordinador; privat...
asked on 22.05.2016 / 08:48
1
answer

TabControl DevComponents

I am working on a Windows Forms app, at the moment of selecting the tab by means of a If I want it to fulfill a condition, but I have not achieved it I have tried with this code: private void tabControlCategoriaSubCategoria_Selec...
asked on 22.05.2016 / 14:48
4
answers

Trigger with MySQL query

What I need to do is the following, when a record is entered into the orders table, a trigger is made to perform the following query: SELECT timestampdiff(MINUTE, fechaDeSolicitud, now()) <= 120 FROM pedidos WHERE idPedido= (aqui iria el...
asked on 23.05.2016 / 02:44