Questions tagged as 'java'

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How the parcel installment works with PagSeguro

I am implementing the payment part with credit card but when I put the installments it returns me the following error: HTTP 400 - BAD_REQUEST [THE REQUEST CANNOT BE FULFILLED DUE TO BAD SYNTAX] 53041 - installment value invalid value: 5002.00...
asked by 09.05.2017 / 20:34
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Famous error: Conversion error when setting XXX value to 'null Converter'

Good afternoon. I am with the famous error "Conversion error when setting XXX value to 'null Converter'." I have already seen several topics here and in other forums, Showcase of primefaces and I could not solve (in parts). In my application...
asked by 09.04.2017 / 20:00
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Unit testing of model attributes in spring boot application

Good afternoon I do not have much experience with unit testing. I'm testing controllers in a spring boot application, but I've made a mistake in testing the attributes of the model, which apparently is not even recognized in the test. Below t...
asked by 27.08.2016 / 21:42
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Save ifconfig to variables

Would it be possible to run the ifconfig command and save the result to variables (eg ip, netmask etc.) in Java?     
asked by 15.05.2017 / 14:47
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RmiRegistry not found

I'm programming a simple system, using RMI, to train programming. But I encountered some problems when I created the .batch file by inserting the message into the windows terminal    'rmiregistry' is not recognized as an internal or externa...
asked by 30.08.2016 / 19:26
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Maxlength in TextField

I have a Textfield in javaFX, but I can not find the Maxlength property. In C # and QT5, I've done some apps, and it's very simple to find this property. I've found some answers, though I'm in doubt whether I really need to do this "at hand"...
asked by 08.06.2017 / 14:19
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How to change image of the startup icon of a .jar? [closed]

For example, change that cup of coffee to another icon.     
asked by 07.06.2017 / 22:05
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Circular dependency in API Rest with Spring Boot

I am venturing into developing a Rest API using Spring Boot, JPA with Hibernate and Maven to manage repositories. In my modeling I have a class Club : @Entity @Table( name = "CLUB") public class Club { /** * Id da entida...
asked by 24.05.2017 / 19:21
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How can I save images via url before displaying them using Fresco?

I loop the list with the images as follows: for( Produto p : listProd){ String error = ""; cont++; try{ // salvando dados no db produtoRepository.insertProduto(p); // salvar imagem p...
asked by 09.06.2017 / 18:49
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Eclipse is corrupting url in automated testing

Good afternoon, guys! I'm doing an automated test, exporting in java to run in eclipse. The test runs normally in selenium, but when I play pro eclipse mars the page url deforms and the test does not spin right. Type, the url I played i...
asked by 12.11.2015 / 17:35