Questions tagged as 'netbeans'

Tagged questions
2
answers

How to properly run webdriver selenium chrome and firefox?

Hi, I've been watching tutorials on how to run selenium webdriver in firefox and in chrome but they do not work for me. Only the browser opens but it does not access the page I indicated, and it tries in several ways and it does not work for me,...
asked by 10.09.2017 / 18:00
2
answers

How to fill a field with "messages" for a chat?

I'm doing a very homemade chat. I have it connected to the BD Sql Server (for practical purposes, I know it is not viable) to save the sent messages and check them in the DBMS to verify that they are saved correctly. The problem comes here...
asked by 30.08.2017 / 07:41
2
answers

Error java.lang.ClassCastException: java.lang.String; can not be cast

I do not understand why the error, please help. public ArrayList EvaluarPatronFiguras(Image Imagen) { ArrayList ListaResultadoRegiones = new ArrayList(); aImagen=Imagen; //convirtiendo imagen a matriz CmatrizTransformacion oTra...
asked by 24.08.2017 / 02:05
2
answers

In MySQL how should the data types be declared in case of using the following elements in JAVA

1) If you are going to create a password with JPasswordField, what type of data should be declared in the SQL database ... would it be varchar or another? I understand that the passwords are encrypted and ask for another type of data. 2) In t...
asked by 18.05.2017 / 03:41
1
answer

wanted to know how to put 2 fixes in 1 [duplicate] array

Here in my program it only takes 1 array that is the a but the b does not take it: c     
asked by 24.05.2017 / 01:42
2
answers

How to have a sentence repeated until it is correct

I would like to know how I can make the code repeat until it is correct, in this case greater than 400hrs /** * Metodo para obtener las horas de vuelo del piloto, con validacion de mayor a 400. */ public int HorasVuelo(){ Scanner sc = ne...
asked by 10.12.2017 / 05:11
1
answer

JTableHeader Netbeans [closed]

Good afternoon, I would like to know how to add a custom Header in a table with more than one combined column, etc.     
asked by 15.03.2017 / 12:39
2
answers

NetBeans, Connect to a Database [closed]

Hello, I am developing a basic program that consists of connecting netbeans to a database via mysql, the problem is that I do not know what to do, it is assumed that this database should not only be on one machine but on several machines. should...
asked by 31.07.2016 / 06:53
1
answer

Do you not upload the data from my database to my jsp?

The database is locally I understand that it is placed the libraries are already placed from jdbc and the jar of mysql but does not pull the data     
asked by 14.12.2016 / 18:31
2
answers

Help Netbeans java error in cycle for [closed]

Hi, I have the following problem, in my university I opened the same project and it worked correctly, but in my house, I released this error. JSP: <%@page import="controlador.AccesoDatos"%> <%@page import="modelo.*"%> &l...
asked by 24.06.2016 / 21:15