All Questions

2
answers

Why does NetBeans not recognize getApplicationContext ()?

something very strange that happens to me, is that I try to put getApplicationContext () and it tells me that    "can not find symbol" I do the corresponding import and does not give an error import android.content.ContextWrapper; Fo...
asked on 03.02.2018 / 23:00
3
answers

How to find the most repeated number in a list

I have the following list: [0, 1, 2, 3, 4, 6, 6, 17, 16, 9, 10, 23, 12, 13, 14, 15, 16, 17, 18, 4, 20, 4, 22, 23, 24, 4, 4] I wanted to know how to find the number with the most repetitions without having to use a cycle since I do not see i...
asked on 29.03.2018 / 19:17
3
answers

Validations of fields in C #

I am learning and recently in a desktop application with which we work in the room we enter the subject of validations. We were taught something like this: if(textbox.text == "" ){ MessageBox.Show("hacen falta campos por llenar") } Thi...
asked on 05.03.2017 / 06:19
4
answers

Counter that adds 2 in 2

It is my first post in this forum, I am starting to program, and this question has arisen in an exercise. I have to find the sum of the next 20 numbers to a number entered by keyboard, and the sum of the next 20 even numbers. This is my code:...
asked on 01.11.2016 / 14:11
3
answers

What value does a $ _GET give you?

I have the following code where I get data from the Urls if (isset($_GET['id'])){ $url = $_GET['id']; } I check the value that variable $url is giving me as a result:    book-php / Currently the data is obtained in such...
asked on 19.10.2017 / 14:48
3
answers

Difference String and StringStream

I'm looking at the sstream bookstore and I've run into stringstream. Googleando came to the conclusion that it is the same as string, but I can not understand it. According to my understanding, is it to create a string and use it as a "cin" t...
asked on 04.04.2017 / 16:39
2
answers

php - Problems inserting MYSQL data

Good, I am trying to insert data from my form, but when I press the submit button it sends me the message of: "Connection made" What is the message of my php file of connection , nothing more. The code to insert I have it in another fil...
asked on 16.06.2016 / 05:50
2
answers

How to wait a certain amount of time between each execution of a method

All to all, I have an application that consumes several web services. What this application does that gets many users and creates entries in a .csv file for several projects. I would like to do the execution for a certain amount of users,...
asked on 29.04.2016 / 21:45
3
answers

Remove accents from a string in C #

I have searched but I can not find what I need, although I find solutions to replace but I can not find a solution to help me. I have an input string with accents and I need to check out the accents, my code: string palabra = "pálábrá cón t...
asked on 31.08.2018 / 17:24
5
answers

Get great-grandson of a div

How can I get the great-grandchild of a div ? Eye without libraries, only pure JavaScript . In this case, it's not just about the great-grandson, but I really want to locate any son, grandson or great-grandchild. In the following code,...
asked on 04.07.2017 / 02:46