All Questions

2
answers

How to fix Angular 2 error in Eclipse?

When trying to create an Angular project in eclipse, this error comes out and does not allow the project to be opened. Why is it being generated? How can it be solved?     
asked on 06.10.2017 / 07:10
2
answers

Center Section Boostrap

Currently I have the following Form <section class="contact bg-primary" id="contact"> <form id="main-contact-form" class="contact-form" name="contact-form" action="enviar.php" method="POST"> <div class="col-sm-5 col...
asked on 14.03.2018 / 18:33
1
answer

Is it correct to save an object in a binary?

The following code has a class and saves an object in a binary. Traditionally, a struct is made that will store the int attribute in the binary. But the code as it is works. My question is, can a code like that be used? Is it "legal"? It can be...
asked on 31.12.2018 / 00:26
1
answer

Sum of the hours between two dates

I would like to know how I could get the hours between date_ini and end_date EQUIPO TIPO_MANTE FECHA_INI FECHA_FIN Horas TOTAL LAPTOP A 12/20/18 12/21/18 24 50 DESKTOP A 12/20/18 12/21...
asked on 24.12.2018 / 18:07
1
answer

Separate 3 select into a Form

I have a problem with 3 select and a label inside my form, I do not find the way to separate them to give them the correct positions HTML code <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <li...
asked on 31.08.2018 / 18:07
1
answer

Doubt about SFINAE

How the compiler resolves the case in which it can substitute more than one template and does not give ambiguity using the SFINAE principle. #include <stdio.h> #include <iostream> template<typename T, typename U> U cast(T x)...
asked on 09.10.2018 / 15:52
1
answer

Can not read property 'addEventListener'

I'm doing a basic cashier simulation exercise . I get the following error when executing the code, I could not find the error.    Can not read property 'addEventListener' I would greatly appreciate your guidance, Thanks! JS : cl...
asked on 04.10.2018 / 19:59
1
answer

Problem with git in local

I have a virtual machine with ubuntu where I have git installed as a server and another with ubuntu that I use as a client. Start the repository on the server and then on the client. In the client I indicate the files with add. , I do the commit...
asked on 18.05.2018 / 20:00
1
answer

What is the difference between enum and sealed in Kotlin?

What is the difference between enum (Enum Classes) and sealed (Sealed Classes). And when it is advisable to use them. enum class Direction { NORTH, SOUTH, WEST, EAST } sealed class Direction { class NORTH class SOUTH...
asked on 24.09.2018 / 22:41
1
answer

Difference of using api or implementation in the dependencies of Android in Gradle

When updating Android studio to the new version 3.1.1 it has indicated me that I should change things in the dependencies compile by implementation I have uploaded the compilation version to 27 ... But gradle when making...
asked on 23.04.2018 / 17:05