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2
answers

Doubts about the C ++ standards [closed]

I have a couple of doubts What is the most commonly used standard now? If I make a program for example in the C ++ 14 standard, will portability and code execution affect it?
asked on 23.02.2017 / 18:51
3
answers

How do I adjust the width of a modal to its content?

I have a modal in which I indicate preliminary information to perform these actions, but some data surpass the space of modal . Here is an example of a modal I use. <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9....
asked on 03.03.2017 / 05:44
1
answer

Is there a way to distinguish the manual deletion of an object?

It is understood that distinguish it from the deletion made by the garbage collector. I would like the explicit deletion: del objeto It will execute something that does not run when the object disappears because the garbage collector detect...
asked on 17.01.2016 / 22:42
1
answer

I can not access POST within my class in PHP

I have an HTML form with method="POST" and a submit button. Within my file 'purchases.controller.php', if I do a var_dump ($ _ POST), you can see all my POST variables belonging to the inputs of the form correctly. Now, I have another file ca...
asked on 14.12.2018 / 01:55
2
answers

Obtain 5 last values of an array in javascript?

I have an array: aNumeros=[1, 5, 6, 7, 8, 9, 10, 12]; I want to create another array from that, which contains the last 5 numbers: aNuevo= [7, 8, 9, 10, 12] thanks in advance     
asked on 09.11.2018 / 22:27
2
answers

Emulate subquery without main table in Access

I can do this in SQL Server: SELECT 'HERRAMIENTA ELÉCTRICA' AS TIPO_PRODUCTO, 0 AS DEPRECIACION, (select sum(empid) from HR.employees) STOCK But in Access the same query returns the following error:    Query input must contain at least o...
asked on 15.12.2015 / 07:53
2
answers

Is it possible to find a Date value within an array?

Good afternoon, my query is if I have a value type Date and an array where its values are also type Date : is it possible to perform a search to see if there are matches? . I'm doing the following: // time = Sun Dec 13 2015 21...
asked on 18.12.2015 / 19:33
1
answer

How to execute a transaction within a Command

I am making an application that will register an order and for that I need to use the transaction sentences. I have developed an attempt that I will attach below and the following error:    Unhandled exception of type 'System.InvalidOperation...
asked on 31.10.2018 / 14:04
2
answers

INNER JOIN 1 primary field to several foreign fields in the same table

I request your help to improve an SQL query. There are times when I have a table I want to relate several foreign fields to a primary field of another table, but the problem is that there is more than 1 field with a foreign key. Something...
asked on 12.10.2018 / 21:12
1
answer

The mysterious message "example"

You see, I want to send someone a message in Laravel. I have this function: // Enviamos a un usuario inactivo un mensaje de activación. public function mensajeActivar(User $usuario){ Mail::to($usuario->email)->send(new Mensajeria($us...
asked on 06.12.2018 / 17:28