Questions tagged as 'java'

Tagged questions
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Transfer objects between fragments

Good evening .. I'm a beginner in Java Android and I'm developing an application to be used in the Gertec credit card machine. But my application will have other forms of payment besides card (money, check, term note). I'm doing the selling part...
asked by 18.10.2018 / 02:28
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Hibernate Relationship

Good afternoon person, I have this problem, it must first insert the person and then the client, he is not inserting either, if someone can help me to configure the models and hibernate to do this insert ERROR Hibernate: select...
asked by 01.11.2018 / 21:04
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How to use AsyncTask with AnyChart

I'm trying to make a dashboard by using the AnyChart api to create the graphics, however this error is appearing    Skipped 59 frames! The application may be doing a lot of work on its main thread. I saw in the GOOGLE documentation...
asked by 01.11.2018 / 21:39
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Wrong page redirect with servlet

I have the following method for logging users into the system: public void logarUsuario(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ try{ String email = request.getParamete...
asked by 01.11.2018 / 23:49
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Shared image cropped

I have a basic problem that I can not solve. I try to share an image that was saved from a screen, the problem is that this image is saving cut off. It is intermittent .... the tests work perfectly on some devices with the purest android type (M...
asked by 15.10.2018 / 16:35
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How to make Ajax requests in Java [closed]

Good Morning I'm developing a Web application where I need something simple: when the user selects a state in a ComboBox , the system should update another ComboBox with all cities. I'm a .NET programmer and in this model I would use a...
asked by 15.10.2018 / 12:26
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Play a series of audios on android

Good evening, has anyone done or knows how to play a series of audios? I'm trying to make an app look like that Genius game. And I would like to be able to play a sequence of audios that I will pre-determine. I would like to be able to do this w...
asked by 15.10.2018 / 02:30
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LazyDaModel with PrimeFaces DataTable

Personal I have an application developed in Java with primeFaces, Hibernate and MySql database. I developed a method to update my dataTable page by page (Lazy loading). It is a page of Nota Fiscal that loads in the rowExpendive the items of the...
asked by 12.10.2018 / 17:51
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How to manipulate a Json object before returning to the API

Hello I'm using this method in my controller: @GetMapping(value="/{id}/perfil", produces = MediaType.APPLICATION_JSON_VALUE) public String carregarPerfilUsuario(@PathVariable("id") Long id, HttpServletResponse response) throws IOException {...
asked by 15.10.2018 / 03:49
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Criteria with MongoDB

I would like to pass in a certain endpoint a filter ex "MyClasseVO", in a single endpoint can do several filtering. With criteria / Jpa + relational database I can do perfectly, someone would have some tutorial or hint using MongoDB to do this k...
asked by 12.10.2018 / 20:22