All Questions

1
answer

Error starting Windows Phone emulator

Hello friends, greetings to all the appreciable community, I have this problem someone has passed if yes I would appreciate if you know how to fix it     
asked on 01.04.2016 / 23:10
4
answers

Block Internet Explorer

How can I block Internet Explorer on my page? I need to avoid using my website with Internet Explorer 9 or less     
asked on 15.02.2016 / 19:00
2
answers

Create grayscale filter for CSS image

How can I apply a grayscale filter to an image with CSS?     
asked on 22.01.2016 / 23:43
1
answer

Comment a line in a file.log

Good, I have the following code: !/bin/bash while read line; do echo "$line"; if[???????] fi done < /home/javi.log javi.log file: # javi_2223 javi55_555 imp33 imp44 javi32423 javi5646 I want the script to comment...
asked on 19.12.2018 / 19:21
1
answer

App restarts from scratch and does not leave me in the last Open Activity

I am programming an application in Android Studio , but I have encountered a problem: I enter my Application and launch the main activity. I press a button that launches me into a second activity. I press the Home button and then return...
asked on 10.05.2016 / 19:28
2
answers

How to know if a date is over two months in JS [duplicated]

Good, I have two dates in string type, such as the following: var fecha1 = '2018-11-03'; var fecha2 = '2018-02-03'; And I want to know which is the most efficient code to compare those two dates and know if the difference of months is 2 o...
asked on 18.12.2018 / 11:31
4
answers

Error when traveling with forEach

Why is it telling me that forEach is not a function? What I do is get the elements with class 'classes' and then assign each one an onclick event, but it does not WORK window.addEventListener("DOMContentLoaded", () => {...
asked on 25.09.2017 / 12:15
5
answers

How is an empty string valid?

I am trying to make a cycle that reads a string while it is not empty if it fulfills that it does not contain any character because it goes out of the cycle; but I have not been able to get a loop and it never comes out, here's my code: #inclu...
asked on 21.06.2018 / 23:43
5
answers

The var is not saved in js

I have the following code in js, which does not save the input information in the variable. At the time of activating the function show () it returns me that the variable x is not defined function crear(){ var x = document.getElementBy...
asked on 03.08.2018 / 16:49
7
answers

Change the format of the date I receive from YYYY-MM-DD to DD / MM / YYYY [duplicated]

I am a rookie, I have the following date: 2010-04-19 . I would like to convert this date to the format DD-MM-YYYY Example, my code. // "fecha" => $this->input->post(date("d/m/Y", strtotime('fecha')); $usuario = array( "n...
asked on 08.03.2017 / 17:01