All Questions

1
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calculate values in a view

Hi, I have a view in which I filter students per month. And I have some doubts: 1) The most important thing is that I calculate the total number of students enrolled and that I add the amounts of the selected month  When I make a dd...
asked on 03.04.2017 / 01:39
2
answers

Define different Android home screens

This question I already asked for swift I'm doing an app in Android , in which I check if a user is already registered or not. If you are registered, I show you a screen, but if you are not registered I show you another one....
asked on 02.09.2016 / 12:54
3
answers

Download text file in browser

I want to download a .txt file through my browser, what I have done so far is that the file is saved in a specific path, but I would like to download it through the browser to make it more comfortable for the user , here's the code I have so far...
asked on 17.11.2016 / 20:51
1
answer

Problem when trying to multiply matrices

I am trying to multiply matrices in the following way, without success. package multiplicacionaleatoria; import javax.swing.JOptionPane; public class MultiplicacionAleatoria { public static void main(String args[]) { int n = In...
asked on 12.09.2016 / 03:35
1
answer

When changing branches, it brings modifications to the source branch

Good, I have a problem trying to change the branch because when I made the change instead of giving me the message    Please, commit your changes or stash them before you can switch branches. let me change the branch and also brings me th...
asked on 27.08.2016 / 08:49
1
answer

Android Permissions System Deny Button

I'm trying to integrate the permissions system from android 6 onwards. The objective is to force the user to accept the permissions to be able to use the app. In the game CSR Racing they do it hiding in the System dialog of permissions the rejec...
asked on 01.09.2016 / 12:38
2
answers

Is it possible to modify the JSON options in html / template?

html/template has a very convenient feature. If I have a template like this: <html> ... <script>var x = '{{ .Data }}';</script> ... </html> The variable Data can be of any type, and html/template...
asked on 11.09.2016 / 20:52
2
answers

Mongoose relationships

How can I relate embedded collections? Example; suppose we have the collections A, B, C and that B is embedded in A, but in turn I want to relate B with C. 'use strict' /* Module dependencies */ import mongoose from 'mongoose' const Schema...
asked on 12.09.2016 / 17:20
1
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I have problems to make a query when comparing dates in different formats

Good afternoon, I would like to know if you could help me with this problem. I have this model where I record the sales made by each user on a default date and that is in datetime now = datetime.datetime.now() db.define_table('registros...
asked on 08.09.2016 / 21:30
3
answers

Difference versionCode and versionName on Android

What is the difference or what is it for? versionCode 1 versionName "1.0"     
asked on 31.08.2016 / 19:59