Questions tagged as 'java'

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Battery Consumption per Application

I need to create something that makes this usage measurement since the last full load per application, I have no idea how to do it ... I searched and did not find anything. All help is welcome, Thank you in advance.     
asked by 07.03.2017 / 21:15
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Send parameters of an Activity to a calculation class

I have a question about time, I posted it here once but it has not been solved. I would like to pass a parameter from an Activty to a calculation class (this class has no activity, it's just to calculate). I researched a lot about it and did not...
asked by 03.03.2017 / 19:14
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How to connect the SQL Server online database by JDBC in Netbeans

I have a question about how to generate the Java JDBC connection URL in the Netbeans IDE to connect to an online SQL Server database. Below is my code, which did not generate a connection like the database: package teste.br.com.DAO; impo...
asked by 03.03.2017 / 17:18
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coloring a datatable using date

I'm just testing, I want to leave the red font if the date is less than or equal to today But nothing is happening I tried with '2017-02-21' '21 / 02/2017 'and it does not work My css: .vermelho { color: red; } My datatable: <...
asked by 21.02.2017 / 19:10
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Sftp upload method in Java never quits

So I did a Java program using NetBeans to upload an "X" file to an SFTP server and the method is functional, but once I start the program, it just shuts down the force, I tried several But nd things solved my problem. My code is: public void Up...
asked by 21.02.2017 / 21:47
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Saving Dynamic Data in the Same Java Entity

I'm using Spring MVC, thymeleaf and for me with all built routes it did automatic but not working, entity, repository, controller and etc. I have a relationship of N = N of course to shift, from that relationship created the course table to t...
asked by 21.02.2017 / 12:39
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Invalid "required" attribute

I took a project and it is showing compilation error because it is not recognizing the "required" attribute in the following section: @XmlElementRef(name = "Nome", namespace = "http://schemas.datacontract.org/teste/teste/teste", type = JAXBEle...
asked by 21.02.2017 / 15:00
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Convert certificate cer without PK into PCKS12

I have a Certificate in my account and need to export it to authenticate to a site - following these procedures: link . Only in the import on windows, it does not export along with the private key. How should I proceed? I have already performed...
asked by 17.02.2017 / 13:37
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Wildfly changes GMT

Good afternoon. I have a problem with a backend api running on a Wildfly server, I have a mobile app that makes a post in this api in a variable of type java.util.Date, when I do the post on the server it adds 2 more hrs , and when I do the same...
asked by 16.02.2017 / 21:06
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Return only the first data of an array in JSON and JAVA

I have a project where I search the database via JSON, to export this data in Excel format. I am adding a new search, but I have a string array, but I can not get the data from the database so that it returns only the first data of that array....
asked by 08.03.2017 / 21:48