I am having a question regarding table joins, I have a sales class the same as Customer, Buy, ProductList. I would like to make a report with product name, customer name, product value and date of purchase only I do not have the slightest idea h...
Could someone please explain to me how to fix the error of my JSP?
This form will serve to register products in my system, it receives a list of product categories from the database.
My Controller ProductController.java:
import java.util...
There was a need to decode a JSON Array like this:
output: [ [{ }, { }], [{ }, { }] ]
I was doing this in a way that decoded a Array like this:
output: [{ }, { }, { }]
Code of how you were doing:
Meth...
I am developing an application using Java Swing + MySQL database, however I am in analysis of making an online platform that talks to the local application, using the database to interconnect the data, because in reality the system itself they t...
I'm learning to program, I'm doing an application with 3 edittext (where I enter the numbers I want to calculate) and a textview to display the result. I would like to know how to calculate 2 numbers with option to be able to fill the third ed...
I have an application here in Java that uses the Amazon SDK to send images to an S3 bucket.
To do this I use threads, basically it is modeled as follows:
The Mai n class has a list of threads and each list item is sent to an Executi...
How do I customize the Generate toString() function of eclipse (source> Generate toString ()) to print the path of a class?
For example I have the following entity that prints:
package com.etc.model;
@Entity
@Table(name="CLIENTE")
p...
Normally when I need to validate a text field without using action events, I use focus events, such as those available through the FocusListener .
In this example, I check if the field was filled out when I lost focus, and I returned...
Explanation:
I have an android application that was made using ADT (Android Developer Tools) I use the bank sqlite in it and eventually I perform some operations as insert or update and also some select 's.
Pr...
I have a problem with background transparent of a JTextField , changing the content of JTextField it seems to overlap the text and everything is mixed:
I'msettingthebackgroundlikethis:Field.setBackground(newColor(1.0f,1.0f...