Questions tagged as 'java'

Tagged questions
3
answers

How do I make an event to a specific View in a RecyclerView?

I have the following code in onCreate() of the activity that contains the RecyclerView : protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_vie...
asked by 20.11.2017 / 15:48
1
answer

To which element of the Recycler does the component that activates the event belong?

Good, I have the following code where a RecyclerView and events are implemented to the buttons of the card_view.xml that make up each element of the list of the Recycler, however, I would like to know how to know which card_view of...
asked by 20.11.2017 / 17:05
1
answer

Assign image by code to ImageView - Android? [duplicate]

What parameters this method should take to assign an image of the Drawable folder to the image, or if another method is used for this. ImageView image; image.setImageResource("?");     
asked by 20.11.2017 / 01:00
1
answer

Uploading a ZIP with an input generates an erroneous file

I have a <input name="shp_local" id="shp_local" type="file" ></input> I can upload files of any kind and the temp file generated on the server is correct, but when I upload .zip it generates a bigger and more inconsistent file....
asked by 20.11.2017 / 11:13
1
answer

NoHostAvailableException in Cassandra

I need to make a presentation + connection to Cassandra for class. The fact is that it does not let me connect when I use the datastax drivers. I have gone a thousand times because apparently there are old versions that are incompatible and well...
asked by 17.11.2017 / 16:48
1
answer

Java Change Text by asterisks in JOptionPane

Good day. I have the following code that asks for a password but I want them to be seen in asterisks instead of what I write. @FXML public void pedirPass() { String pass = "root"; String dialogpass; try { dialogpass = JO...
asked by 17.11.2017 / 17:02
1
answer

Does not work dispose () in Java [closed]

This is the main Frame code: import java.awt.*; import java.awt.event.*; import javax.swing.event.*; import javax.swing.*; public class Venta extends JFrame implements ActionListener, ChangeListener, ItemListener { private JLabel micro,...
asked by 17.11.2017 / 12:36
1
answer

Apply borders to cells in Excel using Apache POI in JAVA

I am using XSSFWorkbook to generate an Excel document (.xlsx), but, I have not managed to apply borders to the cells using: XSSFCellStyle style3 = workbook.createCellStyle(); style3.setBorderBottom(XSSFCellStyle.BORDER_MEDIUM); style3.setBor...
asked by 21.02.2018 / 02:30
1
answer

How to execute two MYSQL queries from netbeans

I would like you to help me. How to execute two queries to the same table from netbeans ?. Here the consultations: insert into tb_horarios(codigopersonal, dia, hora_entrada, hora_salida, numero_horas, malla_referencia, prd_codigo, j_codigo) s...
asked by 21.02.2018 / 15:07
1
answer

Read JSON with Gson in Java

I'm trying to read a JSON file with the following structure, I need to get "one" and "three" { "images": [ { "classifiers": [ { "classifier_id": "id",...
asked by 21.02.2018 / 19:41