Posts by Tguitarful • 19 points
8 posts
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viewsA: Page does not return Managedbean
my problem was more of attention anyway. After reviewing the code, I could see that I forgot to instantiate a new object in my Bean code. private Carro carro = new Carro(); public void adicionar() {…
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viewsQ: Page does not return Managedbean
I’ve seen several similar posts, but it didn’t help much. My problem is very simple. I have a form page that will record data and display in a table using Managedbean. But when I click to write, the…
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answers47
viewsQ: Create a Java ID search with Mysql
Hello, I am creating a simple sales system. I am developing a DAO class to work with the products. I did the methods of the bank, but when I go to the methods of listing, a following question…
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answer253
viewsA: "JSF - HTTP Status 404 - Not Found" what can it be, even doing the suggested steps?
Dude, I had a similar problem with you using this version of JSF. When I returned to version 2.2.9 or 2.1.14 of JSF, the problem was quickly resolved. But looking at your code, I realized that the…
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answer41
viewsQ: How to create an object by requesting data from the user and running from a function?
I created a simple class, I can create an object, but I’m developing a CRUD that needs to create the object from a function. Look at my example: class Funcionario: def __init__(self, nome, cargo,…
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answer137
viewsQ: How do I login to the database?
I am creating a study application for a simple login screen, on the same black screen. I created 2 files, one where I create the database query and the other with the application code itself. It has…
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answer218
viewsQ: How can I call an SQL query function in Python?
Hello, I am creating an application for studies and a question has arisen. It is divided into 3 files, a main, a database and another app. In the main I put the main menu so that the user choose the…
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answer185
viewsQ: How to capture data from a SELECT in javascript?
I’m new in the area and I’m studying. There is a project for borrowing, where requests the amount and based on the amount of installments, there is a percentage of interest. It turns out that I…