All Questions

2
answers

Simulate ViewPager transition with fragments but in activities

Assuming we have two activities, A and B. I want that when you press an element (for example a button) of the activity A change to the activity B simulating the effect that has been implemented in the ViewPager when changing from one fragment...
asked on 24.10.2016 / 16:41
3
answers

If you sign an APK if you do a build afterwards, it stays recorded?

I have a question, once I have clicked on Generate Sign APK and I create the APK, when I want to go after adding code to the application and I want to generate the APK again I have to click on Generate Sign APK again so that I can I have to assi...
asked on 25.10.2016 / 19:38
2
answers

C ++, Matrices, random numbers?

I am struggling to make a subprocess that fills an array of n x n, with even random numbers, which must be between 1 and 100. As I understand it, to generate the random numbers I can use the function rand , but I do not really know what...
asked on 29.10.2016 / 06:49
1
answer

Count and show number of records that meet a condition

Good, as it would be the correct way to know and show the number of records in a table that meet a certain condition. I have tried with the following to show the number of records without any condition but it shows nothing. <?php $sq...
asked on 27.01.2018 / 10:51
1
answer

How to connect to a wifi with qt

Good afternoon, can someone help me? I need to make an application in c ++ using QT. It has to look for wireless connections and connect to a specific one. I hope you can help me     
asked on 26.10.2016 / 18:10
2
answers

Difference between the constructors of C ++?

Hi, I just saw a video about c ++ but it's in English, there was a part where I started explaining about POO, and he talked about the builders, I understand what it is, but he did two of which I do not know his differences. This is the first...
asked on 14.01.2018 / 06:06
1
answer

Error executing laravel project cloned from git

I cloned a project of a repo git. When I try to open it ( link ) it tells me the following:    Fatal error: Uncaught Error: Class 'Illuminate \ Foundation \ Application' not found in C: \ xampp \ htdocs \ pikum.mapu \ bootstrap \ app.php: 14...
asked on 13.02.2018 / 14:01
5
answers

class rectangle, problem Deitel set and get

They ask me to create a rectangle class with length and width.    8.4 ( Rectangle Class ) Create a class named Rectangle with the length and width attributes, each with a default value of    1 You must have methods to calculate the per...
asked on 18.10.2016 / 04:58
2
answers

How to call functions with the onclick event? - Javascript

<script> function pausaplay(){ document.getElementById('demo45').play(); document.getElementById('demo14').pause(); } </script> <input value="Mirar Havana" onclick="if(this.parentNode.getElementsByTagName('d...
asked on 16.01.2018 / 20:41
1
answer

Angular ng-repeat and ng-if paint lines

Good morning community, how can I paint a certain line of a color, such as to highlight, according to the value of a field, dato1 dato2 dato3 xx xx 0 xx xx 0 xx xx 1 --> resaltar todo la fila o cambiar de color xx xx...
asked on 25.01.2018 / 15:16