All Questions

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search for a word in a txt file

I have a program that asks the user for a name to look up their data in a file. The file contains the following: Persona: Adrian Apellido: Rodriguez Edad: 19 Persona: Alejandro Apellido: Grande Edad: 28 Persona: Mikel Apellido: Apa...
asked on 21.09.2018 / 11:02
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Navigation Drawe

Good evening I'm just starting in Android studio, well the question is that I just created a Navigation Drawer, but when it shows me the graphical interface, it shows me the following I do not know what is due, I already tried several thin...
asked on 28.09.2018 / 04:38
1
answer

Obtain absolute path of a txt file

I need to get the absolute path in Android of a .txt file after a chooser file I have this Code: private String myPath; Uri datos; private static final int COD_SELECCIONA_TXTART = 10; public void elegirArchivo(View vista){ Intent int...
asked on 26.09.2018 / 13:40
1
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Sort treeview columns

I have a thread in which I asked how to generate a treeview from a panda dataframe in python. The thread is this: How to use Tkinter ProgressBar My problem now is that I do not know how to implement a function that orders each column whe...
asked on 13.09.2018 / 09:29
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insert in two tables at the same time [closed]

I have a news table and a table photo news is to say that a single news can have many photos my question is how to make an insertion for example a single news story has 5 photos and must keep the news and photos at the same time; also want to...
asked on 26.09.2018 / 20:16
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error in recyclerVIew (Collections.reverse)

I have a serious problem making an app. I wanted to make a notepad, I add the notes but I wanted the order of the entry of notes to be the other way around, that is, the last note was the one that was shown first, as it was in a ArrayList...
asked on 28.09.2018 / 06:26
1
answer

avg returns null

I have a query that returns the average of 2 columns of type float, the thing is to change the date from date to datetime to be able to insert it with the time and now the query does not work, I return null in both columns the table is: cre...
asked on 27.09.2018 / 02:07
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Special characters on website made in cakephp

Hi, I am modifying a website designed in cakephp, but in a modal for whatsapp some special characters do not look good and I tried to do some things and nothing worked for me: <!DOCTYPE html> <html lang="es-ES"> <head> <...
asked on 26.09.2018 / 16:43
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Python code error (line 4) [closed]

I have a syntax error in line 4 of the code, in the print. Help please. a=float(input('Introduzca una nota del 0 al 10: ') if 0<=a>5 print('Suspendido') elif 5<=a>8 print('Aprobado') elif 8<=a>9.5 print('Notable')...
asked on 28.09.2018 / 16:12
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Update value within a Foreach

please help me, I need to update the result of my total every time I change the amount <script type="text/javascript"> function operacion(field) {...
asked on 28.09.2018 / 16:44