All Questions

3
answers

Checking duplicate MySQL records

I have a database, where the company's invoices are stored, and I need to see the duplicate records (invoices that have the same series, number and type). For each record I have an id id that identifies them. What I want to list are all the ones...
asked on 07.07.2016 / 21:22
1
answer

Apply CSS style to a selected radio button (checked) label

I have a problem working with CSS and HTML: using CSS properties I changed the style of the radios I am working with, but the problem I have is that they are not selected, to this I mean that the button is not selected. Believe (which is a radio...
asked on 03.07.2017 / 01:14
3
answers

Assign object of a class and object of a class x

Someone knows how I can do the following: I have a class X and another class Y, both have the same attributes in the same order and others, they are practically identical only with a different name, so I want to do something like: X objX = new...
asked on 15.06.2016 / 15:37
3
answers

Help! Segmentation fault error with simple C ++ list

Greetings to all, I premiere on this wonderful page with a block of code that continually skips "Segmentation fault" error and I do not know why. The code must receive an integer, create a node with that integer and then insert it into the li...
asked on 21.07.2016 / 15:21
2
answers

Sidebar Transparent

I'm around with a Wordpress template called Uncode from Envato . Your support forum is fine, but they do not give me a solution for the following: The template has a menu that can be placed horizontally on the top of the page or as a sid...
asked on 14.09.2016 / 07:03
5
answers

Error parsing json javascript [duplicated]

I'm working with php, mysql and jquery. Where I create a json with php that brings a single data, and I'll find it with jquery ajax. If I make a console.log to my data variable brought with ajax it shows me the data like this: [{"folio": "4562...
asked on 11.10.2016 / 15:27
2
answers

calculate the age from the date of birth with the datepicker class [duplicated]

I would like to calculate the age of a user from his date of birth, so that when the date of birth is entered in: <input type="date" name="fecha_nacimiento" id="fecha_nacimiento" class="datepicker" /> and it automatically loads in t...
asked on 06.04.2017 / 20:09
1
answer

Position a logo on another image

I am having the user upload an image of a logo and then try to position it on another image that I have on the server. The position where the receipt will be superimposed as parameters by POST. The logo I receive is always a PNG, which may or...
asked on 17.05.2017 / 18:36
1
answer

Incomplete types and opaque pointers

I have seen articles in English that talk about this, as I have understood they are used for encapsulation in C. Can someone explain that it is exactly an incomplete type and an opaque pointer? And what uses do they have in C?     
asked on 26.04.2017 / 20:07
2
answers

How to put percentage in the center of the circle?

function circlePath(cx, cy, r, percentil) { var coordx = cx + r * Math.cos(2 * Math.PI * percentil / 100 - Math.PI / 2); var coordy = cy + r * Math.sin(2 * Math.PI * percentil / 100 - Math.PI / 2); var modif = percentil >= 50 ?...
asked on 20.04.2017 / 04:00