Questions tagged as 'class'

Tagged questions
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Problems with class marks in object

I have two associated buttons (button1 and button2) to an object that I have defined and I would like to apply the "hover" effect through CSS (since it seems easier to me through class marks) so that the buttons do not appear until you pass the...
asked by 28.05.2018 / 16:08
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Create Class with Android Studio 3.0.1

I'm using android studio 3.0.1 and I'm trying to create a new class in my App-> project. java-> com.valhondo.delgado.mibasedatos. Here I try to create a new java class. Name: DBHelper Kind: Class superclass: Interface: Package: com.valhondo.de...
asked by 21.03.2018 / 12:13
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Python: class method returns empty list

I am trying to practice a bit of Python in my free time, and for that I apply the problems of the university to the reasoning in this language. I am trying to calculate contours and everything is fine until I try values to the running method, fo...
asked by 23.01.2018 / 05:05
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java class in IntelliJ

I have imported a maven project with IntelliJ and the java classes come up with this symbol and I can not execute its main what does it mean and how can I solve it? I usually get the symbol of a C, which I imagine is compiled. Thanks  ...
asked by 08.12.2017 / 13:52
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instantiate class to access properties from another SWIFT class

Look, I have time looking for how to instantiate class to access properties ... I've seen everywhere that they do this ... let vc = otroViewController() vc.label.backgroundColor = UIColor.black // por ejemplo una etiqueta para cambiar su f...
asked by 09.12.2017 / 01:11
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__main __. ArbolBinario object at 0x7f3138321cc0

How about, I'm deifying a new class for binary trees and I get the error <__main__.ArbolBinario object at 0x7f3138321cc0> when I call the mirror function. 'this is my code: class ArbolBinario(object): """Se implementa un...
asked by 26.11.2017 / 04:51
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Unknown class when using TextInputLayout in MainActivity

use Android Studio 3 , I'm trying to do validation, in the first part according to a tutorial that I saw, this is done: package com.example.jhon.cesde5; import android.content.Intent; import android.sax.StartElementListener; import andr...
asked by 17.09.2018 / 09:23