All Questions

1
answer

Open settings from android app

I would like to add the option to configure the wifi network to an app before starting to operate with it, so I would need to open the settings from the application. However, after several searches in google I have not found inf...
asked on 28.06.2017 / 08:37
2
answers

Execute Script when starting Ubuntu

I want that when I start Ubuntu 16.04, I automatically run a script, so far I have the following: script.sh: #!/bin/bash mkdir prueba_carpeta and what I have done to run automatically is as follows: I give you permission. sudo c...
asked on 18.07.2017 / 17:03
3
answers

That an alert tells me that Fila eliminate

Good morning. I have this Jquery code: $(document).ready(function() { $('#bt_add').click(function() { var check = []; $("#tabla").find('.selected').find('td').each(function(){ if($.trim($(this...
asked on 21.07.2017 / 16:56
2
answers

Organize the database for the consultation [closed]

Very good! I will try to be specific and brief at the same time:) I am developing an amateur app using Bootstrap to track cheese making at home. During the process the cheese goes from one room to another. In a mysql table I add with a form e...
asked on 19.07.2017 / 22:27
2
answers

Variable step by Javascript reference

I have been reading about the value and reference steps in a book, and since I am learning Javascript, I have doubts about how this can be done. I tried the following: var X = 10; function cambiar(variable){ variable++; } ca...
asked on 27.06.2017 / 03:14
1
answer

SQL + C # Variable value Null or NULL?

Good morning. I have an ASP.NET C # application and in a WebForm I must insert data in a table. For this, create a stored procedure and you can insert null data: CREATE PROCEDURE [Insertar_Tabla] @var1 INT=NULL, @var2 VARCHAR(10)=NULL...
asked on 30.06.2017 / 20:30
3
answers

Go back to the Main

This is my main that already includes a flag to leave the program (follow): static void Main(string[] args) { string[] nombre; int opcion, tope = 0, cantidad; bool seguir = true; Console.WriteLine("Ingrese la cantidad: "); canti...
asked on 30.06.2017 / 17:30
3
answers

Improve Performance Nested Foreachs

I have 2 foreach nested of a class articles, in which I go through two lists, and if the item in list 1 is in list 2, it must do a couple of operations, the dilemma is that when dealing with very long lists, it takes a long time and I nee...
asked on 04.07.2017 / 04:10
1
answer

Error in INSERT SQL php

When trying to make a query from php to a database, I get this error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' ' at line 1 I know it's something...
asked on 02.05.2018 / 23:21
2
answers

Error when implementing comparable generic list

I'm trying to compare the values within my nodes with the Comparable interface. But when implementing the method compareTo I get an error: It says that the operator can not be applied to <E> (which is my generic value)...
asked on 30.03.2018 / 23:46