I'm a newbie with Hibernate, and I'm writing a simple method to return a list of objects matching a specific filter. List<Foo> seemed a natural return typ
There is a certain library I use in my project. This library has an interface which has about 15 methods. The purpose of this interface is to make it possible
I am creating and staging gcp dataflow template in cloud storage with following command: mvn -X compile exec:java -Dexec.mainClass=main.java.TemplatePipeline -D
Currently I am working with the Schneider Power Logic electrical device. I want to read the data from the device and show the value in my system. So far, I disc
At the start of my Java application, I have the user enter his username and password. These credentials are stored in a ConnectionKey object which is used as th
I use keycloak-spring-boot-starter to protect my rest-service from unauthorized access. The authentication works as expected, but if the authentication fails, t
I have a Maven build configured to use maven-toolchains-plugin, with ~/.m2/toolchains.xml simply configured for multiple JDKs: <?xml version="1.0" encoding=
I'm trying to create a query that would depend on number of boolean parameters. The function that creates the predicate looks like this: Predicate createPredic
I am attempting to employ the functionality of Deploying to Wildfly 9 in my build process with the Wildfly-Maven plugin. I am unable to deploy the application,
In Java, is there any way to initialize a field before the super constructor runs? Even the ugliest hacks I can come up with are rejected by the compiler: cla
There's an array say [1,2,4,5,1]. I need to print all the contiguous sub-arrays from this. Input: [1,2,4,5,1] Output: 1 1,2 1,2,4 1,2,4,5 1,2,4,5,1 2
I need to migrate some templates from velocity in liferay 6.2 to freemarker for liferay 7.4 dxp, I tried to use the USCavalry tool, but the result is not comple
I have a BufferedImage: BufferedImage bi = new BufferedImage(14400, 14400, BufferedImage.TYPE_INT_ARGB); I have saved this image to a PNG file using the fol
I created an interceptor to get the token before i do other request but i have the error "Method threw 'java.lang.StackOverflowError' exception." when i do the
I want to set the top padding of a textview programmatically. I know you can do this with the method setPadding(). But the problem is that this method requires
I want to export data in xml format which needs to look like this using jasper, I downloaded the jaspersoft studio but there only pdf and csv formats available
I have a list of employees. They have isActive boolean field. I would like to divide employees into two lists: activeEmployees and formerEmployees. Is it possib
I've read multiple variants of this question (sorry for adding another), but none have offered a working solution. I am trying to debug a failing test in the a
While running springboot restservice application got 404 error. I am using spring boot, jersey rest. I have tried GET requests http://localhost:8080/dunames bu
I've followed the JDBC tutorial at: http://docs.oracle.com/javase/tutorial/jdbc/basics/gettingstarted.html, and managed to build and create my own JDBC database