All Questions

2
answers

Delete occurrences in a text

I have to delete from "a las.. " to leave only the date, in Python. 21-MARZO-2017 A LAS 1600 HRS 31-ENERO A LAS 1300 HRS. 30-ENERO-2017 A LAS 1600 HRS. 20/02/2017 A LAS 1200 HORAS (MEDIODíA) 17-FEBRERO A LAS 1200 HRS (MEDIODíA) 18-NOVIE...
asked on 14.02.2017 / 16:35
3
answers

How to create new activity in AndroidStudio 2.3.3?

Hi, I would like to know how to create an activity in AndroidStudio 2.3.3, about 1 year ago I created activities with something similar to this: Intent i = new Intent(algo,algo); i.startActivity(); But I see that currently the startActivity...
asked on 17.06.2017 / 12:40
2
answers

How are environment variables retrieved in NodeJS?

Suppose I have defined an environment variable in my unix shell with a key, for example: export DEV_KEY=abcd123abcd123abcd123 How could I access that variable within the code of a NodeJS program? The goal is that the key is not part of the...
asked on 09.03.2017 / 03:22
2
answers

How to avoid the foreign key constraint error in phpmyadmin and in php?

Very good! I am doing a small practice to remember after having been studying again the php and in knowledge of the MySqli (style procedure), when creating the database and the corresponding tables. I have never seen this error after making the...
asked on 02.06.2017 / 17:30
1
answer

Does not recognize ng command

I installed angular-cli and even then this command does not work, which can be or how I can add it.     
asked on 24.05.2017 / 15:56
2
answers

Using many JFrame? (the ones Netbeans brings by default)

I do not know if there will be a good practice for this, since I have a screen with a JMenu with many items ->Menu ->Usuario { ->Iniciar sesion ->Registrarse ->Informacion de usuario } ->Ayuda {...
asked on 26.02.2017 / 15:33
3
answers

Alter Table Mysql gives Error

I have the following query for mysql but in doing it gives me error. ALTER TABLE conexion ADD panel_web varchar (255), panel_web1 varchar (255), panel_web2 varchar (255), puerto_panel varchar (255); The question is, how do I add several c...
asked on 24.05.2017 / 13:05
2
answers

How do you perform this json on vb.net?

I am using the Graph API of Facebook with webhook to channel an incoming message from a page in my application. The response received from the API is as follows: { "object":"page", "entry": [{"id":"594052300785675", "time":14...
asked on 23.05.2017 / 15:28
2
answers

What is the difference between Spring / JSF / JSP? [closed]

I am learning how to program and I would like to know what are the main differences or what do you recommend me to learn?     
asked on 29.05.2017 / 05:52
2
answers

Add icons to the Actionbar

I am looking for the following: put the icon and next to the title, as shown in the image where the Google Photos icon is and next to it says Photos . I have the following code: <?xml version="1.0" encoding="utf-8"?> <menu...
asked on 25.12.2016 / 17:21