Hello everyone. I'm developing an android application using TabHost. The problem is that I did not want the top of the tab because it takes up a lot of space. I've looked a lot on the internet and found nothing that would help me. Does anyone kn...
Good morning,
I need to fix a problem when I request in the "dao.Acess" the get of the Class model.User returns empty = null.
When it is called: doLogin (model.Access access) I can see the information through JOptionPane now when I do the...
Error clicking save new process after assigning data in each field:
java.lang.NullPointerException: Attempt to invoke virtual method 'long com.example.alex.levprocess.processos.RepositorioProcesso.salvar(com.example.alex.levprocess.processos.P...
I've seen a lot of things here and StackOverflow in English about Swing and Runnable , even though I could not solve my problem.
I am developing a work for college (interdisciplinary work, involving Distributed Systems / Advanced Data S...
Create a controller called HomeController and put the following settings:
First Configuration
That's good too. After that you have to configure the project so that it can see the page that is in that package:
Second Configu...
I need to convert a BufferedImage to a File . I tried the following, but it did not work:
File file = null;
ImageIO.write(image, "jpg", file);
image is of type BufferedImage .
That was the error:
Exception...
I'm developing an android app for a course in college. I am connecting the Restfull Web Service with the android using the Gson library to pass data.
In the method below I am performing a POST request, in that I make this connection via web i...
I'm trying to access a list of values in my code from the JSF screen, but the screen does not find the method that lists the values, can anyone help me?
I want to access the values of method listaNatures in f:selectItens .
Fol...
I need to insert a pdf in my application; how could I do that? Is there a pdf view?
The pdf will be inside the application itself in the assets folder.
Thank you.