All Questions

1
answer

screen print an unsigned char array with iostream

I have a console application in C ++ in Visual Studio Express 2013 with the following code: #include <iostream> #include <ostream> using namespace std; void GetValores(unsigned char* c) { // aquí va mucho código que asigna val...
asked on 21.09.2016 / 18:09
1
answer

Ajax PHP - ParserError "Unexpected token in JSON at position 0"

I'm trying to make a GET request with ajax and PHP, but I always get the following error: text status=:parsererror, error thrown:=SyntaxError: Unexpected token < in JSON at position 0 My ajax request is as follows: $.ajax({...
asked on 29.09.2016 / 04:59
1
answer

Query css for certain tags

I have the following: <html ng-app="app"> <head> <title>aprobado</title> <link href="http://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> <link r...
asked on 07.07.2016 / 09:14
3
answers

Make a DIV follow you while you are browsing, being FLEXBOX and inside another DIV

Good afternoon. I have three main div , one parent and two child . The parent is a flexbox, so your children will adjust to the width of the page. The problem is that I want one of the two children / child to fol...
asked on 22.09.2016 / 21:07
2
answers

Show required message in an input="select"

I have a form with the following structure: <input type="text" required="" /> <select required="required"> <option disabled="disabled" selected="selected">Selecciona un ID...</option> </select> <input type="t...
asked on 13.09.2016 / 20:13
1
answer

Carousel in Bootstrap does not display correctly

I'm trying to show the following carousel on my website: link But instead of appearing in several columns, only the first column appears on the left and nothing else. Here is the code of my page where the slider is: link  ...
asked on 30.09.2016 / 03:39
1
answer

Validation of Letters in Codeigniter

I am developing an application in
asked on 22.09.2016 / 16:04
1
answer

Change activities by sliding on the screen

I have an application that has 3 activities and I want to pass between them by sliding on the screen. I was trying but it does not work out, how can I do it? I already have the 3 activities done, each one with its functions, I want to communicat...
asked on 30.09.2016 / 03:40
2
answers

Read a JSON file on ESP8266

I need help to read a JSON file in an esp8266, the esp must open the file by means of a code in LUA, read the data it contains to assign them to the configuration of the static ip. The json file contains the following: { "ip": "192.168.2.252"...
asked on 19.04.2016 / 01:27
1
answer

how to draw a route on a map with mapsforge?

I need to draw routes from one point to another with the latitud and longitud of those points on a map with the library mapsforge or if there is another one that please tell me. Greetings     
asked on 20.04.2016 / 15:57