Questions tagged as 'java'

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Java - SQLite - Error Querying the Database

I am a beginner and I am creating a small applet designed to carry out the academic control of the students in the Course where I work. I'm using Java + SQLite for the permanence of the data. I'm trying to query in my database, but I'm having...
asked by 15.05.2018 / 23:57
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Error installing Xamarin - JDK does not install

Hello! I'm having this problem after the Xamarin installation is completed . I have tried to download sdk from the Oracle site, but the installer simply does not start, nothing happens. I've also tried to completely uninstall VS2017 and r...
asked by 15.05.2018 / 23:03
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Connection Reactive Database

I'm developing an app with Spring Boot and I have a configuration class that generates a @Bean DataSource. I would like to generate alternative connection levels for connecting to the database, such as if the environment variables are incorre...
asked by 15.05.2018 / 20:05
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Wildfly server error uploading WAR, error as picture

You have a project in eclipse. To generate the war, I click the Export menu, I choose the Web option, click WAR File . I click Next , I choose the project and then I choose which folder will generate the WAR. I joined the wildfly ser...
asked by 14.05.2018 / 21:12
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Whitelabel Error Page [SpringBoot + thymeleaf]

Good night, I'm having an error that stays the same even though I'm changing some things in my pom.xml and other places anyway. Error: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this...
asked by 23.05.2018 / 06:24
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Error: AUT is not installed. (WARNING: The server did not provide any stacktrace information), while running test with IOSDriver

So I'm doing a simple Safari test of an Iphone 5s and this bug is appearing to me: AUT is not installed. (WARNING: The server did not provide any stacktrace information.) And I do not know why! Here's my code: public void testNavegar() {...
asked by 15.05.2018 / 17:06
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Java compilation error (Eclipse) using class Scanner, beginner problem

I'm starting to study Java now by the book "Java as Programming 10 Ed" and I'm having a hard time compiling this book code in Eclipse. Follow the code below Could anyone tell me how to make this code compile? Note: JDK 9, Java 9, Eclips...
asked by 15.05.2018 / 15:37
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Open Activity in LibGdx

I'm starting to study game creation with LibGdx , my question is: how do I make a function open another Activity ?     
asked by 13.05.2018 / 21:57
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Save data when changing Fragment

I want to save the values that are in the counter to when I change the fragment and go back to that, the values I've counted are the. I tried to use SavedInstance so it did not work, not saved, I would like some help with my code. public class...
asked by 14.05.2018 / 01:10
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How to generate random Firebase items within a FirebaseRecyclerAdapter - Android Studio

I am having difficulty generating random items received by Firebase, I have read the documentation but I was confused. I want to randomize items within FirebaseRecyclerAdapter according to the number of children entered. Ex: if I ha...
asked by 19.05.2018 / 16:54