All Questions

1
answer

Floating tables in the database model? [closed]

It is assumed that if we are going to use a relational database manager as for mysql examples we should have all the related tables? or can it be the case that we have floating tables that would depend on that?     
asked on 07.08.2016 / 19:07
1
answer

Group items from an array in Angularjs

I have an array with values of hours which, I present in a tag select as follows: Select 07:00:00 07:10:00 07:20:00 07:30:00 07:40:00 07:50:00 08:00:00 But I want to know how to group them in the following way: 07:00:00 - 07:10:0...
asked on 06.08.2016 / 00:34
2
answers

Get a String of a String []

I have an array of string private String[] personas= { "Lucas Lemos", "Fabricio Quiroga", "Maurano Pepe" , "Juan del Toro" }; which I show in a list, I want that each time the user selects the name of the person his personal information i...
asked on 17.08.2016 / 22:32
2
answers

Toolbar does not crash with RecyclerView

I have an activity in which I use a RecyclerView, I am trying to make the Android bar collapse when I scroll over the RecyclerView, I have tried using NestedScrollView, but having many elements in the RecyclerView slowed down the activity....
asked on 16.08.2016 / 18:40
1
answer

Concatenate time Django

I have a project in django where I have the fields hour, minutes, seconds separately I need to concatenate them so that they remain in the format "% H:% M:% S" direferencia=6243.0 #Este valor esta en segundos hora=math.floor(diferencia/36...
asked on 13.08.2016 / 02:55
1
answer

add hours in Django models

I am trying to make a movie model in Django, but I would like to add the duration of it and I do not know how to do it very well in django, I know that you can add date and time with datetime in the models. But I only want an hour of dura...
asked on 15.08.2016 / 13:17
1
answer

How to read bar code camera android [closed]

Good afternoon, I need to know how I can read a bar code with the camera of android with visual studio.     
asked on 15.08.2016 / 20:09
1
answer

Unary operator overhead in C ++

I created the next class. class Persona{ private: std::string nombre; public: std::string getNombre(); Persona operator=(std::string nombre); }; Persona Persona::operator=(std::string nombre){ Persona persona; persona....
asked on 26.03.2017 / 17:45
1
answer

Hide URL data

Hello colleagues, I need to be able to hide the information you sent by URL. I have looked for codes that help me do it but I have not had good results. The Code is: <?php include("obtenerdatos.php"); $user=$_POST['usuario']; $pass=$_POST[...
asked on 17.08.2016 / 04:51
1
answer

Compare strings in C exercise

I have the following exercise: Implement a function that is passed as input to two character strings. The function must return a 1 if the strings are equal, but it will return a 0 (it can not use specific functions of C). This is what I tr...
asked on 24.03.2017 / 23:14