All Questions

2
answers

Onclick Show text

Hi, I'm doing an interactive piano which reproduces the sounds with an onclick, I would like to know how I can show the notes that the user is clicking on in a text field with javascript. This is the function with which I play the sounds: $...
asked on 23.05.2017 / 08:30
2
answers

problem when running apk on cell phone

You see then I have the following code and I just started on this android, well I have a problem running the app on my cell phone (it says that it has closed unexpectedly), which I can not find the error because in the emulator of my laptop runs...
asked on 25.05.2017 / 04:31
4
answers

Store Jquery table column

Currently I store the data of a table in an array, in the following way, bringing the td, in what way can I bring a particular column? var datos = []; $("#table1 td").each(function(index) {//No se como traer solo el nombre // alert...
asked on 15.05.2017 / 15:32
2
answers

What is the difference between StringBuilder and StringBuffer? in Java

I think StringBuilder and StringBuffer in Java have the same functionality. What is the main difference?     
asked on 20.05.2017 / 21:00
5
answers

List view shows only one result

I'm creating a listview with Realm and it only shows the first result. With debugger I have seen that the variable position does not increase in value and the one covered by the List is always with the same value. In the s...
asked on 14.05.2017 / 09:08
1
answer

Problems with checkbox and javascript

Good morning Dear community, I am working on a list of tasks and I am having problems to rescue the value of a checkbox that is created dynamically by a button element, so far I have the following: <!DOCTYPE html> <html lang="en">...
asked on 29.06.2018 / 15:34
1
answer

Is it possible to deactivate the gps to reduce the battery consumption in an app?

I am using the GPS in my application to define the exact location of Smartphone , ( latitud and longitud ), coupled with this I receive the coordinates in a Geocoder to get the name of the street according to the...
asked on 10.07.2018 / 20:22
1
answer

Show certain time window form

Good I'm doing in window form a mini system that when there are 2 buttons 1: first button called a raffle is to appear at a certain time and my 8 numbers appear label 2: regenerate button is only bleach is to say that they are visible again...
asked on 06.07.2018 / 22:18
4
answers

What is the difference between selecting by ID or ClassName?

Why can I change properties of the object when I select it with getElementById , whereas if I select it with getElementByClassName it marks me undefined? What is the theory behind this? Tests on the Google Chrome console...
asked on 12.07.2018 / 15:46
2
answers

Capture the Checked of a CheckBox inside a Datagrid from the ViewModel

I have a requirement in WPF , I made a ViewModel called AsignaFacturasVM for my View, in which I have a Label that is linked to a property float called Accumulated Amount of my ViewModel and I also have a...
asked on 10.07.2018 / 21:31