All Questions

1
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Listen to port LPT1 C #

I have managed to capture the message that is sent from TCP / IP, with the class Listener , however I have been asked to listen especially to the LPT1 port, since the printers of the company are connected via Ethernet, and send them to the...
asked on 11.07.2017 / 18:37
2
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Doubt about click on submit php jquery

I tried to learn a little more, a few months ago as a learning I developed a very basic shopping cart, all in PHP . Due to several limitations every time I change the screen I reload some sections that do not vary, such as headers and footers,...
asked on 19.10.2016 / 03:00
2
answers

My crash program when entering any number after 10

To see the error, when you ask for the number, write 10 or greater. #include <iostream> #include <stdlib.h> using namespace std; int sumalol; int z=0; int x; int promedio(int digitos[]) { int suma; for (int i = 0; i < z;i++...
asked on 07.10.2016 / 19:09
1
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Error updating my remote repository in Git hub

I have the following error when updating my remote repository to git hub C:\xampp\htdocs\mvc>git push remote: Permission to otrousuario/mvc.git denied to usuario. fatal: unable to access 'https://github.com/otrousuario/mvc.git/': The req...
asked on 14.10.2016 / 04:13
1
answer

Query to show class schedule in MySQL

Good afternoon, I am trying to generate a class schedule and it took several days without being able to generate the schedule through a query in MySQL. The query I'm doing in MySQL is the following: SELECT CONCAT(DATE_FORMAT(h.hora_inicio,"...
asked on 03.10.2016 / 23:07
2
answers

Open a java .class file in Eclipse IDE

In Eclipse, when loading the .CLASS file, I get the following error class    the Class File viewer can not handle the input given ('org.eclipse.ui.ide.FileStoreEditorInput'). What is the reason for that? What steps should be followed to c...
asked on 04.10.2016 / 01:15
1
answer

Android: Problem with Listview and CursorAdapter

I am testing the loading of a database (SQLite) to a ListView using a CursorAdapter. From MainActivity I can access the data of the database without problems. The problem is that when you call the adapter the application hangs. Here I leav...
asked on 19.10.2016 / 00:48
1
answer

Are there enums nested in Java?

I want to make an enum of countries to which you can access their states, something similar to this: public enum SomeEnum { ARGENTINA { BUENOS_AIRES; } UNITED_STATES { CALIFORNIA, FLORIDA, NEW_YORK, ALASKA;...
asked on 05.10.2016 / 15:07
2
answers

How to place an event for several elements?

I have a doubt. Well, I have a post in which users post comments and next to each post I have a button belonging to each of them. Well, how do I do it so that when I click on each one of them? those buttons I get a popup. With what event? An...
asked on 08.10.2016 / 06:54
1
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Use {{asset ()}} in an echo

I have the following problem: I need to make a query of images saved on the server to show them in a view echo "<img src={{asset ('images/producto/{$producto->imagen}'}} title='{$producto->imagen}'/>";     
asked on 05.10.2016 / 19:28