Recent Posts
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Java – custom valuechangehandler GWT
I need to write a custom valuechangehandler and call onvaluechange (valuechangeevent) But I don't understand how to wr…… -
Java – spring 3.1: datasource is not automatically connected to the @ configuration class
I am using spring MVC 3.1 0m2 and try to move my configuration to java bean But I encountered the following errors: Fr…… -
User preferences in Java EE applications
I have a growing web application that now needs to be able to store user and system preferences / settings In the past…… -
Excellent java code read for learning purposes?
A common suggestion is to read the code of good programmers I am looking for Java code advice for learning I finished …… -
Java – HTML ASCII case insensitive ICU collator
I need to create one corresponding to https://www.w3.org/2005/xpath-functions/collation/html-ascii-case-insensitive/ C…… -
Run the subprocess to correctly provide input and output in Java
I use the runtime exec () method to create subprocesses in Java However, since the subprocess is an interactive progra…… -
Java – listen for login events in JBoss as 6
I have an application running in JBoss as6 Authentication is using the 'form' authentication method and the user is lo…… -
Java – why is heap memory usage and the number of loaded classes increasing?
I am using JVM Explorer – link to JVM explorer to analyze my spring application I have the following questions >Why…… -
Java – ambiguous mockito – 0 matches expectation, 1 record (invaliduseofmatchersexception)
I face a very strange problem@ H_ 301_ 2@URL = "/my/specific/url/"; when(this.restHelperMock.post( eq(myEnum),eq(this.…… -
Multithreading – STD:: this_ Thread:: yield() usage?
Can someone provide STD:: this in C application_ A real example of the use of thread:: yield()? Solution I used yield …… -
Java – refresh and get entities after saving (JPA / spring data / Hibernate)
I have these two simple entities something and property Things: @Entity @Table(name = "something") public class Someth…… -
Java – you can write generic xmladapters
I know that I can use raw type to write XML adapter, but I can use generic type I tried to read the API, but I didn't …… -
Java 7 can’t work with chef installation
I have a packaged recipe with a recipe, recipe / default RB, which reads the following: include_recipe "apt" node.ove…… -
JUnit – the parameter list given by cobertura is too long
I'm trying to generate code coverage reports using the cobertura plugin I'm in POM This dependency exists in XML <p…… -
java. lang.NoClassDefFoundError：org / springframework / data / repository / config / BootstrapMode
I'm doing this project with spring boot. I try to write some tests, but unfortunately I get this exception stack trace…… -
Java tries and catches IOException problems
I tried to use some of the code I found at the bottom of this page This is the code in the class I created for it: imp…… -
Java – create, update and get the same / different dto objects in the rest endpoint?
Consider using userdto class and usercontroller public endpoint to create, update and obtain users Having the ID attri…… -
Restricted Boltzmann machine and deep learning java code
Since the last few days, I am reading and studying restricted Boltzmann machine and deep learning Now let's test the a…… -
Java – has multiple types of JSON string map [string, object]
I have this JSON string: { "startDate" : "2014-12-17T14:31:40Z","name" : "Izek","age" : 12 } When I use Jackson to c…… -
Java – why doesn’t visualvm profiler configure my Scala console application?
I think this problem is closely related to this problem, but it has been closed, and the solution seems unclear to me …… -
Java – I should put log4j Do you want to put the properties file into the library?
I have a library project This project uses log4j for logging I should put log4j Properties into the generated jar? If …… -
Java – what should JAXB return from the ‘beforemarshal (marshaler)’ method?
First of all, I'm not talking about Marshall #listener Anyone can tell me what should be returned from the Boolean bef…… -
Java – how do I easymock actors?
How can I simulate an actor's performance sqlMapClient sqlMapClient; sqlMapClientImpl sqlMapClientImpl = (sqlMapClient…… -
Java – null object design pattern vs null object check
Why is null object design pattern better than null object checking Null Object design pattern Solution The whole probl…… -
Java – JSTL – iterating user-defined classes using foreach
See English answer > javax servlet. ServletException: javax. servlet. jsp. Jsptagexception: don't know how to itera…… -
JavaFX – drag and drop works differently in Java 11 than in Java 8
I wrote a program that uses the drag and drop function in JavaFX It works perfectly in JavaFX 8 In JavaFX 11, the drag…… -
Java – set EditText to a single line so that it loses focus after pressing enter
I use EditText in my code and compare its contents with a string when I click a button setSingleLine(true); Prevent th…… -
Java – what is netbean lookup?
It's hard for me to understand that Basically, this lookup API is used to maintain the loosely coupled nature between …… -
Java – how to rename methods programmatically using JDT
My goal is to programmatically call refactor > > to rename eclipse commands for methods in Java source files Ren…… -
Java – runtime errors in JUnit testing
I'm very unstable about unit testing, but I have part of the code, and I really need to make sure it's consistent I tr…… -
Java – how to run a selected set of unit tests in eclipse with a single mouse click?
I want to create an initiator / run configuration that runs JUnit tests only in a selected set of test classes or sele…… -
Java – maps and generic maps
I want to create a (recursive) map That is, the type value of the map is another map of the same type as the external ……