Questions tagged as 'html'

Tagged questions
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How can I count the number of times a class of my html element changes?

The case is as follows: I have 3 elements of the type div that makes a carousel with boostrap and in those divs there is a default class called item and when the div is selected or visible to that item another class is ad...
asked by 03.08.2018 / 22:14
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add and see updated result in the page

I want to know if there is a way to add the results of several in PHP and automatically show the result on the same page. these are my <div class="row"> <div class="col-md-3">...
asked by 29.08.2018 / 19:42
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Bootstrap 4 Radio within a label and invalid-feedback

I'm working with Bootstrap 4 and I'm having a little problem with radio buttons The case, is that I need that the input of type radio have a id empty For which, I work in the following way <link rel="stylesh...
asked by 29.08.2018 / 17:35
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Problem showing image

I have a piece of code that uses Boostrap 4 and some customization with CSS, it works fine, but when I try to add a carusel so as not to show a single image, it fails me, because the image is not shown completely, only a part of she and with the...
asked by 18.08.2018 / 19:54
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I have an error of type "Uncaught Error" in a login in php

I share the code and the error <?php include("ProyectoHXM/php/conexion.php"); session_start(); $error = ""; if($_SERVER["REQUEST_METHOD"] == "POST") { // usuario y contraseña retornados por el formulario $myusername = mysqli_real...
asked by 31.07.2018 / 16:36
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I can not save the entire html file [closed]

I can not save the html file completely. Please click on the following link link then use the shortcut CTRL + S and save the file in html format, open the saved file and you can see that there is only a fragment of the page. I need...
asked by 18.08.2018 / 21:53
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Execute .exe from html

Good morning How could I make a windows program run when I clicked on an image? <img src="smiley.png" alt="Smiley face" height="42" width="42"> The images I put in this way to the html, and I want to click on that image to run, for...
asked by 15.11.2017 / 12:55
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Re-addressing error in PHP

What happens is that I try to redirect to another page but I get this error:    Warning: Can not modify header information - headers already sent The line that generates it tells me what it is: header("location: " . URL . "Home/newProc...
asked by 30.07.2018 / 23:05
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I do not get the exact value of a session variable in php

I am working on an online course system (class project) and I need to make a form where a user adds the necessary lessons for each course, but at the moment of clicking the aggLeccion button, he sends me data with the variable of another record....
asked by 31.07.2018 / 04:05
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Problem using OnHover events

I want to show 3 images in order and the action does not end. I guess I need a loop but I do not clarify with the loops. The intention is to make these actions in JS not have an end, that is, when returning to position the mouse on the image...
asked by 05.08.2018 / 16:30