Questions tagged as 'java'

Tagged questions
2
answers

Store a Json object, containing subobjects, using JSONObject Volley

I need to save the following object Json , emplando JSONObject (volley). { "idAsignatura": { "idAsignatura": 1, "nombreAsignatura": "Cálculo" }, "idEstudiante": { "...
asked by 11.09.2017 / 18:43
0
answers

Jasper Report with Rest in Web service

Dear I have the following problem, it does not allow me to generate the jasper with a method that I have in the class from a rest service that is receiving parameters by means of an xml or json that another possibility is to generate the report...
asked by 06.09.2017 / 17:45
1
answer

Query objects within other objects with Detached Criteria

I need to make a query based on filters. The filters are Nags , TipoCristal and descripcion . My object CristalLista contains the properties TipoCristal , Descripcion and Cristal . Within glass is the...
asked by 06.09.2017 / 18:49
2
answers

Why do I get java.lang.NumberFormatException: For input string: "1"

Good evening, I'm reading a txt and I want to insert the data it has to a mysql table but I skip this exception:    NumberFormatException: For input string: "1". File archivo = new File ("D:\"+nombretxt+".txt"); Scanner s = new Scanner (a...
asked by 26.09.2017 / 00:28
3
answers

Trigger Oracle with sysdate

I have a trigger in a simple database, what I want that trigger to do is generate an id with characters and numbers, but it does not work. I hope you can help me, I thank you very much.     
asked by 26.09.2017 / 01:11
1
answer

What is the correct way to use enum java

How can I use enum as roles to authenticate in a java web app? public enum Role { ROLE_ADMIN,ROLE_USER; } I am using the spring boot framework and thus the roles are valid: @GetMapping("/home") public String defaultAfterLogin(Ht...
asked by 26.09.2017 / 15:07
2
answers

How to throw blank activity by pressing the SearchView button?

I'm following this tutorial to create a SearchView in android studio with php and mysql all works well the only problem is that the results of the search are shown in a Recyclerview that is in the main layout of the app or the activity_main wh...
asked by 09.09.2017 / 15:15
2
answers

Move Floating Action Button, which is on an Android Edittext

I have a layout with several edittext, the case that the fab is hiding part of the edittext so at the time of writing it does not let me see what I'm writing in the edittext, there will be some way to move it just when the focus of the edittext...
asked by 26.09.2017 / 20:23
1
answer

Send a form after checking a checkbox in html with jquery

I am working with a "purchase" form in which I have, in addition to many inputs, two in particular with radios that are Cash Payment and Card Payment. When my buyer selects Pago with cash and click on Send, the confirmation template where he has...
asked by 26.09.2017 / 17:17
2
answers

Select query with SUM java

I need to make an inquiry by counting the number of hours in a field, this is my code. the field is an integer, since only a number of 2,3,4 hours is saved, it is not required to be a time type. public Object findBySum(Integer iduser){...
asked by 26.09.2017 / 20:12