I tried to convert my Java code in C# but I missed something. Java code public Map getData() { return data; } public void setDataCarriers(Map
Tag: java
Hibernate : self join confusion?
I have a category table.In which first 5 are main category and others are sub category. I need to fetch the sub categories of first 5 main category so i have found the sql query The query is joining the same table itself.and am getting the result given below Result How can i convert the SQL query to HQL and
Unable to local MySQL database with Spring app deployed through Tomcat
I’m trying to create a web application using Spring and Hibernate, deploying it through Tomcat 8. I’ve setup MySQL and Tomcat 8 locally on my machine, and am able to deploy the web application to it. …
Pdf Renderer API Android From URL
I am looking into the PDF renderer API native to Google Android development. I see the following code example in the documentation: I think this example uses from File Object. How I can get this API to work with a URL from a webserver, such as a document from a website? How can I load a PDF natively in an
Polymorphism vs Strategy pattern
What is the difference between the Strategy pattern and Polymorphism in Java? I’m confused that whatever is achieved via Strategy Pattern is basically possible by polymorphism. Correct me if I’m wrong in this regard. Please, also provide me example to eradicate my confusion. Answer For me, the lin…
Get Set value from Redis using RedisTemplate
I am able to retrieve values from Redis using Jedis: But when I am trying to use Spring’s RedisTemplate , I am not getting any data. My data is stored in Redis as a Set. Can someone please point out to me what am I missing? EDIT : My xml config for RedisTemplate. Answer In short You have to configure
Is it possible to run RMI server in tomcat?
I have two tomact instances, running on Tomcat 7 (call it tomcat 1, tomcat 2). I need to arrange distributed computation. The server tomcat 1 should invoke some method on tomcat 2’s VM. Is it even possible to do? I know that Tomcat is a servlet container. Does it support such things? Answer Yes, it is p…
Java: Inverse of a matrix using EJML not working as expected
Within a java project I’ve developed I need to calculate the inverse of a matrix. In order to align with other projects and other developers I’m using the Efficient Java Matrix Library (orj.ejml). For inverting the Matrix I’m using invert from org.ejml.ops.CommonOps, and I has worked fine un…
Java for embedded systems? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question I have recently learned some basic Java and was thinking of seeing if I can…
Error loading fcl file in servlet
I have Java Web application JSP/Servlet that works with jFuzzyLogic library which uses rules.fcl file which is located at WEB-INF/rules/rules.fcl. I m trying to load the rules.fcl file in a servlet file but when i try to execute the application web i got these errors : Someone help me plz with it! Thanks. Ans…