All Questions

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How to set the path to access files in the procedural system

I would like to know how to use path in a procedural system, the correct way to define the paths, and to access the files, and what else is important to know about it. Researching found more examples in OOP, and found nothing here on this...
asked on 02.10.2015 / 02:31
2
answers

xamarin android player error starting "virtualbox kernel driver not running"

When I run XAP-Beta-15.35-v0.5.5-i386 I get the following error:    virtualbox kernel driver not running No driver has been installed in the virtualbox and it is not running.     
asked on 13.09.2015 / 00:03
2
answers

Is there any modeling tool for NoSQL database?

I'm going to do a database design project for a web application that Cassandra will use. I would like to know if there are any tools that can help     
asked on 22.09.2015 / 18:21
2
answers

Add consecutive fouls

I am creating a journal module on line, I need to get students with 3 consecutive absences, follow the input select, when the student has more than 2 hours of class, select displays different. <select name="d_status[<?=$i?>]" size="1"...
asked on 24.09.2015 / 13:37
1
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Could not perform the edit because another user changed the record

Does anyone know if there is any trace of a table that is dropped from a bank? To facilitate if it is recreated, for example, and when I say trace is in the bowels of the same bank. I'm going through that famous problem of 'Could not perform...
asked on 14.09.2015 / 14:14
1
answer

How to create texture of snow and particles in Unreal engine 4

I'm trying to create a map where it's full of snow, but I could not find any tutorial in Portuguese, or even a tutorial in English, which is very explanatory. I want to put snow particles in a storm. I also want to get collisions with the sno...
asked on 12.10.2015 / 02:26
1
answer

Position arrow from a dropdown menu correctly

I added an arrow to my Bootstrap 3 dropdown menus, but I'm having trouble positioning the arrow correctly below dropdown-toggle , below is a demo image: On the left is my current scenario, with the badly positioned arrow ( right:...
asked on 08.03.2015 / 05:46
1
answer

Problems drawing an oval in a panel (JAVA)

Greetings dear programmers friends. I'm running into a somewhat annoying error: Cogito draw a graph on the screen using circular / oval shapes. After a good number of searches, I was suggested to use a class that extended JPanel / JComponent...
asked on 06.10.2015 / 15:40
1
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Error while deploying EJB project with lambda using glassfish 4

I have two java files in my project First.java package br.com.bom; import javax.ejb.Stateless; @Stateless public class Primeiro { } Second.java package br.com.bom; import javax.ejb.Stateless; import java.util.ArrayList; import j...
asked on 17.09.2015 / 13:15
1
answer

Lists chained in C

I have two lists in C, where you have to include several records in the list of customers, and then have some customer able to reserve a car that is stored in the list of cars. The part of inclusion, removal and visualization of customers I can...
asked on 29.10.2015 / 22:34