Questions tagged as 'poo'

Tagged questions
1
answer

Error in MySQL / JAVA syntax

Good morning, I have the following code and I do not know why it is failing me. I think it's an error in my syntax because writing the following code was where the program stopped recognizing all my variables. import java.sql.Connection;...
asked by 25.11.2017 / 22:24
1
answer

What are the abstract data types?

That such a community, as you can see, I am new to this programming, I am beginning with the logic of programming someone could explain to me in a brief or simple way what they are and how abstract data types are executed     
asked by 26.11.2017 / 15:34
2
answers

ado.net stored procedures asp.net mvc 4

I am working on n-layers asp.net mvc 4 c # web and I want to list an SP that contains inner join and that is listed when an ID is sent . the topic esque to list I do it in the following way in my DAL: public List<Solicitudes> ListarSoli...
asked by 07.11.2017 / 15:56
2
answers

Difference between object and variable within class of class type

I have the following class: Public Class Book Public isbn as Integer Sub New(isbn as Integer) Me.isbn = isbn End Sub End Class All right, if I want to create an instance variable I have to pass parameters to the constru...
asked by 31.10.2017 / 20:12
1
answer

How to obtain data from a selected cell in datagridview c #?

I have a Datagridview named dgv , in the doubleclick event of this * dgv * I need to get the value that cell where I made doubleclick , the name of the column where that cell is and the value of the first row where that cell is. I enclose...
asked by 23.09.2017 / 02:13
2
answers

Use date class in Java

I have made a class date but when I try to visualize the day, month and year those that are initialized in the constructor appear and not those that I enter by keyboard, I visualize it by means of the toString () method Class code date: pub...
asked by 26.08.2017 / 14:02
1
answer

Help with an option selected

In these select I want to load the corresponding information for both, but I also want the select countries and cities, the selected country and city that the user has registered in the database, for the moment both functions work for me perfect...
asked by 20.08.2017 / 05:30
1
answer

Problem with dependent clerks

I have a problem trying to nest two select, this is my file up there all right, if I give a echo to the variable $ data it is showing me the id of the select that I'm selecting ajax.php public function obteneridpais(){ $datos = $this-&...
asked by 16.08.2017 / 17:14
1
answer

Access the contents of $ fillable without going through $ fillable. Trying to understand the massive allocation

Following a tutorial I have seen that its creator used something he had not seen until now that he was directly accessing the content of the attributes of a class without going directly through the attribute. He told me that this is called massi...
asked by 30.08.2017 / 19:01
1
answer

Can not modify header information - headers already sent [duplicated]

Hello first of all I understand that the error can be produced by blank spaces before <?php or after the closing tags. but I really can not find the problem in my code, the message is as follows.    [10-Aug-2017 05:49:15 Europe /...
asked by 10.08.2017 / 05:57