All Questions

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Verify that an application is installed on the device [duplicate]

I need help verifying that an application is installed on the user's device. Situation 1: I need to search the user's cell phone and check if there are some applications installed. If you find these applications installed, return a list of...
asked on 08.01.2016 / 14:53
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How to get attribute dynamically

How would I do the following PHP code in C #? class teste{ public $x = 10; public $y = 10; } $n = new teste(); $a = "y"; print_r($n->{$a}); Note that the dynamism is in the variable $a , in which if I change to x i...
asked on 23.12.2015 / 01:45
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Emission and control of software license registration file

I have a system for controlling and issuing electronic license registration files so that I can control how many machines my software can run. My teacher advised me to use the processor's CPUID to validate and generate a license file (get C...
asked on 21.12.2015 / 01:15
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How to create an application from a Maven file?

I was working with EJB and dealing with four simple Maven projects, a web project, a desktop (JSE Swing), a project (JSE) that had only the interface and lastly a web project (which I called Core ) that implemented this penultimate project that...
asked on 22.12.2015 / 17:09
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How to find a link inside an html file and switch to another link?

So far I've only been able to find out if a link exists in the file, but I do not know how to do the exchange. My code is this: $nomeArquivo = $_POST['nomeArquivo']; foreach ($arquivos as $a){ $aq = fopen($a,"r+"); while (!feof($aq)){ $l...
asked on 08.02.2016 / 02:52
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How to unify two CSS files

I'm doing a Spring MVC 4.2 project. In this project I have more than one CSS file and more than one JS . What I want is to make all CSSs files into a single ALL.css and that this file is minify . What I have been working on...
asked on 23.12.2015 / 00:03
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Table structure for genealogical tree

How to create a table with tree structure for an individual using a concise nomenclature? Example: Individual Father Father (paternal grandfather) Father (Father's great grandfather) Mother (paternal great-grandmother) Moth...
asked on 28.12.2015 / 18:21
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Is it correct to name html tag attributes arbitrarily?

I'd like to know about creating and manipulating attributes in html that are created . We have the attributes already known as id , class , etc. that we put in the tags so we can manipulate them. I went in search of other alternatives of name...
asked on 04.02.2016 / 15:04
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Xamarin Error - aapt.exe / resources

I installed VisualStudio 2015 Community, with Xamarin, up to its beauty. But I have problems, not only I, I saw in several places, that a lot of people are with the same errors. Unfortunately I could not find the solution yet, I hope someone...
asked on 26.04.2016 / 13:10
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How to print sheet music in PDF?

I'm developing a website for a church where in a particular part of the website music scores will be made available to the members of the orchestra, and I have no idea how to do this. I was thinking of using the class mPDF to be able to t...
asked on 29.06.2015 / 19:42