Recent Posts
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Java – how to configure Shiro realm to connect to Oracle database in struts 2 Application
I have been working with Shiro (Ki, jsecurity) for several days and have been able to create a test application I'm us…… -
Organize java code when using try catch finally blocks
I am a novice in Java I have a question about how to organize java code when using try catch finally blocks Suppose I …… -
JavaFX graphics bug with ProgressBar and slider
I am writing a small application (audio player with function); This is the code of fxml: <StackPane layoutY="64.0" …… -
Play framework 2.1 Java / Eclipse: automatic reload does not work
Question /: >The view is being compiled, but if you do not manually restart the server, refreshing in the browser w…… -
Java – how to use ebean to query tables with one to any and many to one relationships
I'm using play framework 2.1 0 and ebean, encountered a problem when querying the following scenarios listed below: I …… -
Java – use ‘select’ tags and entities in thymeleaf
I am creating a form with a select tag as follows: <form th:object="${version}" method="post" class="form-horizonta…… -
Java is equivalent to Matlab’s’ EPS’ or numpy / Python’s’ spacing ‘function (floating point relative precision)
background Matlab's built-in EPS function [1] can take a value x and return "the positive distance from ABS (x) to the…… -
JNI returns the signal 7 function and tries to call Java from C
I want to make a call from C to Java I try to call a function to invert a bool value without parameters This is my C c…… -
Java – localize Jfilechooser “all files” string
I'm using Jfilechooser to develop a Java application where users can switch languages Locale.setDefault( Locale.ENGLIS…… -
Java – FreeMarker, can I set the computer number format by default?
About FreeMarker, can you tell it to treat all numbers as "computers" by default? I tried to apply cfg.setSetting(Conf…… -
Is java – WADL the standard for rest applications?
Is WADL a true standard like WSDL? I created a HelloWorld example in Jersey, and I got WADL from the URL Then I use "W…… -
Java – integration with Jersey and spring grizzly2 2.X
I have successfully added grizzly v2 1.9 integrated with Jersey and spring But I'm trying to migrate grizzly to versio…… -
Java – can spring / JPA / Hibernate use simple JDBC compatible drivers?
We have an application that uses the spring container on the server. It uses EJB 3 entities and hibernate to persist t…… -
Java – usernametoken WS security (WSS4J) annotated with Apache CXF
I'm trying to create a "Java first" WebService that will use a simple usernametoken WS security I tried to follow the …… -
Java – execute DB statements from files
I use embedded Apache Derby as my application I have one called CREATEDB SQL script of SQL, which creates all tables i…… -
Java – the starting point for converting regular servlet encoding to my DSL
Clojure provides a good java interoperability But I really want to have this: (servlet IndexServlet (service[parmas]…… -
Java – is there a tool in eclipse, an eclipse plug-in, or an external program that can automatically restrict access to modifiers?
I used to be very bad at restricting access to my variables / methods / classes. When I shouldn't, I tend to use publi…… -
Java – can spring / JPA / Hibernate use simple JDBC compatible drivers?
We have an application that uses the spring container on the server. It uses EJB 3 entities and hibernate to persist t…… -
Java – use JAXB to handle missing nodes
I am currently using JAXB to parse XML files I generated the required classes through the XSD file However, the XML fi…… -
The best way to distinguish between estale and enoent in Java
I am trying to write Java applications running in Linux environment on NFS file system I noticed that when I called Ja…… -
Java – regular expressions X and / or y
Consider the following regular expressions, where x and y are any regular expressions XY|YX|X|Y This regular expressio…… -
Java – when to call getpreferredscrollableviewportsize() when laying out JScrollPane?
To implement the scrollable interface, you need to implement the getpreferredscrollableviewportsize () method This usu…… -
Java – the real advantage of the factory model
I've been using the factory model for a year Sometimes I just think the real advantage is clean code Let me explain, i…… -
Java – JPA one-to-one relationship, where the entity may not exist
I have many to one mapping between two entities (A and B, and a B can be associated with many as). I need to be able t…… -
Java – getting started with Oracle Database
I was assigned the task of making Java Web applications work with Oracle databases I don't know where to start I hope …… -
JPA: use @ generatedvalue on non ID columns
I try to stick to an entity with attributes I want to populate from the DB sequence I am using Oracle to create a sequ…… -
How to use SVM in Weka?
I am trying to use SVM classifier in Weka When I click on the libsvm classifier and try to train the model based on so…… -
Java – invoking an action using an Ajax URL in struts 2
I'm trying to connect to my action class using the URL in Ajax But it didn't enter my action class and didn't even use…… -
Java – spring secure stateless configuration
I tried to follow the document http://static.springsource.org/spring-security/site/docs/3.1.x/reference/security-filte…… -
Volatile member functions and constant member functions in volatile
Many people say They are very similar in the sense that the pointer is marked const / volatile. It can only access mem…… -
java – org. apache. hadoop. mapreduce. counters. Limitexceededexception: too many counters: 121 max = 120
I'm running a Hadoop job (from oozie) with few counters and multiple outputs I got the following error: org apache. ha…… -
How to generate XMI files for Java source code?
I am writing a program in Java language, which takes java source code as input and outputs XMI file, which contains th……