All Questions

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Validate field and do not close the form

I am working on a plugin for Qgis, in the form the user enters the data and one of them is the name of the file, so I validate the field and verify that the same name does not exist, the problem is that if there is a sample a message and the for...
asked on 07.08.2018 / 12:10
1
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Error in escape sequence '\ t'

This script is from the book "VRML for the Internet" ( VRML: Browsing and Building Cyberspace ) by Mark Pesce, 1995. Although I have it, the cd-rom that included it will be in the garbage years ago ... Its author is James Waldrop, and calls...
asked on 08.08.2018 / 21:24
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Integrate Facebook into an App with WebView

How can I integrate a Facebook page in my application with WebView , I did it in a basic way but it only shows me the header of the page, when I start to scroll down it stays there in the header. This is my code: WebView myWebView =...
asked on 07.08.2018 / 20:40
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How can I do a try catch and repeat the option I am doing?

System.out.println("Ingrese tipo de cuenta \n1. corriente\n2.Ahorro"); tipo=Integer.parseInt(entrada.readLine());//-->> How could I do that for example here you have to enter a number but if you enter with a letter that the try...
asked on 10.08.2018 / 13:03
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Verifying if previous registration already exists (SQL server 2008 r2)

I have the following script with more than 20,000 records in each table: With registration dates from January to February 2018: INSERT Table_que_usare (Usuario, IDUnica, servidor) select Usuario, IDUnica, servidor from table1 With regist...
asked on 06.08.2018 / 22:06
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Maintain the session when downloading the capcha

I have this code that I downloaded the captcha but I have to send the data along with the resolution of the captcha. My question is: How do I keep the captcha download session and send the form request along with the resolution of the captcha (I...
asked on 10.08.2018 / 16:48
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java.lang.NumberFormatException using jsonObject.optString ()

Good, I have the following problem only on certain occasions. The app brings information from an external url by means of a Volley request taking the data from a php file with json data. Of 900 devices I had a problem in 17, it is little but the...
asked on 27.07.2018 / 13:08
1
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Because when compiling in NetBeans does not return anything to me?

I am doing a sum and octal conversion of two numbers, but when compiling it does not do the operation. I am calling the methods of my class from the main. I could not find my error. I leave my code (eye that I am starting in this) package octa...
asked on 08.08.2018 / 23:38
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Notification JS, can it be customized?

I have followed these steps to make a notification on my website: link link And this is what I have: $(document).ready(function() { theBody = "" + "<div style='background: #0055a0; color: #ffffff'>" +...
asked on 09.08.2018 / 15:43
2
answers

Unity - Polygon Collider 2D does not follow my character

I'm practicing with unity , and I was following a tutorial that explained step by step how to develop a simple platform game. The problem I have is that by designating a Polygon Collider 2D to my character, he does not follow it when making...
asked on 26.07.2018 / 20:16