All Questions

1
answer

Problem removing or modifying a node in XML

I have a project in which I manage an XML file with C # UWP. The problem is that when I delete or modify a node in the XML document, the space of that node is not deleted and it is under the root, causing me to get an error. I give an exam...
asked on 13.07.2017 / 11:35
6
answers

Put a certain amount of zeros with jQuery

Hi, I have a small problem: I have my table in my BD called numeracion , in which is the field numeracion in it I have the numbers of the tickets or invoices; id_numercion numeracion id_estado ---------- ------...
asked on 12.07.2017 / 20:48
2
answers

Refresh activity from a later activity

I have an app in which I launch a settings activity in which you can configure the w-fi and the url to show in the first activity. The problem is that, when you go back and return to the beginning app, the changes are not automatically shown. Ho...
asked on 26.07.2017 / 12:03
3
answers

Total sum of a column

I have this column of a table in html which I need to do a total sum and the result insert it a input text type td(class='sumTtotal') This is my td where each result of the dif $ remains What I was trying to do i...
asked on 26.07.2017 / 14:11
2
answers

Impossible to include momentsjs in Laravel5 with 'laravel-mix'

I'm using laravel-5 that comes with webpack and laravel-mix , the idea is to use the library datetimepicker that at the same time uses momentjs . The problem is that I can not include the library in any way. I...
asked on 14.08.2017 / 22:08
4
answers

Survey for students of a school to evaluate their teachers

I have a code with which I intend to make a teaching evaluation. I need users to be able to select only one rating for each name and not several as in the following example with "juan hernandez". This is the code I have <table cla...
asked on 02.08.2017 / 21:10
3
answers

Go through data from a json with javascript

I'm trying to get the data of a json but not when looking for a data throws me the error.    Uncaught TypeError: Can not read property 'day' of undefined $.ajax({ url: url, //dataType: 'json', type: 'POST', jsonpCallback: "myJSON",...
asked on 23.08.2017 / 15:32
2
answers

Obtain individual body tag elements

I have the following code: function obtener(){ var contador = 1; $("body").each(function(){ console.log(contador + " " + $(this).text() + "\n"); console.log("----------------------------------\n"); contad...
asked on 30.07.2017 / 16:32
1
answer

Is there really more efficiency in the Cocktail Sort than in the Bubble Sort?

I have these two codes the following which represents the bubble sort is the following: lista = [5, 4, 3, 2, 1] def bubble_sort(A): #Se comienza con el primer elemento for i in range(len(A) - 1): for j in range(len(A) - 1):...
asked on 16.07.2017 / 03:21
2
answers

Use order_by in Django

I try to sort a post list in Django. I read that you have to use .order_by('-fecha') . I have tried the following in the template: {% for post in persona.post_set.all.order_by('-fecha') %} {{ post.texto }}<br> {% endfor %} B...
asked on 01.08.2017 / 06:55