All Questions

1
answer

Send SMS Android

Hello, I would like you to please help me. I would like to know how to send an SMS when I press an option in a menu. this is the code thank you very much. package com.servitecnology.servigps; import android.content.Intent; import android.grap...
asked on 01.02.2018 / 16:02
1
answer

Get the image encoded in base64 (jsignature)

I need to get the image with the signature made with the jSignature plugin, but when it comes to showing or getting the path / string / image encoded in base64, it does not work for me. <script src="https://cdnjs.cloudflare.com/ajax/l...
asked on 07.02.2018 / 08:06
3
answers

Modify and save text files with PHP

I have some problems to be able to save and open text files with PHP, I am using the following code: <?php if($_POST['submit']){ $open = fopen("frases/frase_del_dia.txt","w+"); $text = $_POST['update']; fwrite($open, $text); fclose($ope...
asked on 11.05.2017 / 16:55
1
answer

how to put letters inside a background image in Html5?

could you tell me or advise me how I can put the letters inside the image without doing this in the style of the letters: margin-top:-100; since if I do that affects the responsiveness of the image, the framework I use is Foundation.js. T...
asked on 14.05.2017 / 19:43
4
answers

How to install and use PyQt5 in Windows?

Good, download PyQt5 from your official website and in some videos I see that it brings an "executable" file called a designer. When downloading it does not bring said file, only a folder called so I do not know what to do with it, so how can I...
asked on 07.05.2017 / 01:33
1
answer

Results of a function in a DataFrame in python

I have a function in python that uses values from two columns labeled as 'POSITION_X' and 'POSITION_Y' in a .csv file (df1) The function calculates the sum |Xn-Xn+N|+|Yn-Yn+N| where n is the row number and N...
asked on 11.05.2017 / 19:31
2
answers

Enable or disable an edittext with the selection of a spinner

The problem is that it disables text editing but in case 1 of Switch when you have to activate it again it does not This is the code I'm using. public class ejemolo extends AppCompatActivity { String[] Items = { "Dc...
asked on 11.05.2017 / 18:15
3
answers

How to consult an arrangement using one of its fields and display it in html [closed]

I have the following ARRAY var array = [ {"productoId":"4","categoriaId":null,"marcaId":"2"}, {"productoId":"87","categoriaId":null,"marcaId":"2"}, {"productoId":"175","categoriaId":null,"marcaId":"20"} ] This is received by a...
asked on 10.05.2017 / 15:03
1
answer

Queue without duplicate entries

I am trying to implement a queue so that repeated objects can not be inserted. I have this implementation that I found but it gives me an error: std::queue<punto> q; std::set<std::reference_wrapper<punto>> s; // t...
asked on 20.04.2018 / 12:10
2
answers

Doubt about Boxing and Unboxing in Java

I have been practicing the topic of Boxing and Autoboxing in Java and I have a doubt. I know that each type of primitive data has its "Wrapper" class to be treated as an object. But specifically in the following code: public static void main(S...
asked on 18.04.2018 / 05:03