Questions tagged as 'java'

0
answers

attach pdf files to an email

I can not get Android N versions or higher when trying to gmail content to write me the email, add the attached file, I say, uri.fromFile without problems but with Uri.parse. He tells me he could not attach anything. these are my permissions...
asked by 24.12.2018 / 09:29
1
answer

Error must declare the scalar variable @ p3where, in JAVA, when trying to update data from the database using a button

Hello everyone I hope you can support me, I start in this JAVA and make connections with SQL and I am little by little with learning, I hope you can help me I explain I'm doing practice and I started with an agenda, which everything was worki...
asked by 21.12.2018 / 00:50
0
answers

Error with listing in my jsp using jpa

help I get this error and I do not know how I can solve it org.apache.jasper.JasperException: javax.el.MethodNotFoundException: Method getid not found my jsp where I try to list: <tr> <c:forEach items="${sue...
asked by 21.12.2018 / 00:16
1
answer

How to mark all the checkboxes of a Listview through another Checkbox

I have the following xml: <TextView android:layout_height="50dp" android:layout_width="match_parent" style="@style/AlertDialog_TPV_family_Style_Title" android:gravity="center" android:layout_marginBottom="20dp" an...
asked by 21.12.2018 / 10:25
0
answers

Exclude a URL from a JavaEE filter

Ask about Java EE . I understand that when you create a filter and you want it to intercept all the URL , you put the @WebFilter ("/ ") annotation ) * , but here's the question, is there any simple way to make it intercept all URL ex...
asked by 20.12.2018 / 19:45
1
answer

Spinner does not show me text when selecting item

I have a Dialog with several elements inside, one of them is a spinner, which initializes and loads the data of an ArrayList: public class DialogGArticulos extends android.support.v4.app.DialogFragment { @NonNull @Override public Dialog onCre...
asked by 20.12.2018 / 10:20
1
answer

JMenuItem does not work correctly in JFrame

I have a window created with a JMenuBar placed at the top. Until then I had 2 JMenuItems that worked as a button and opened another frame. Until then everything works correctly. Today, I have the need to put another item to that menu, and follow...
asked by 20.12.2018 / 11:39
0
answers

warning icon in eclipse, I can not find a solution

In the eclipse IDE, I had a warning icon in all my projects, something was wrong, I reinstalled eclipse and I made a new project, the error keeps coming, do you know what the solution could be? Thanks annex image:     
asked by 18.12.2018 / 20:14
1
answer

How can I show the content entered in a JTextfield in a JOptionPane (In a form)?

This is the code of my form, the part of the JOptionPane is where I have the problem. // LDVives = Place where you live private void txtNombreActionPerformed(java.awt.event.ActionEvent evt) { txtNo...
asked by 18.12.2018 / 22:39
0
answers

How do I take the results of de mathprog using GLPK

I'm using a .mod file that was programmed in the Mathprog language, I'm establishing the connection to Java and taking the results through the GLPK library that reads the .mod file, but the result comes to me as text in the console and I need th...
asked by 20.12.2018 / 06:01