Recent Posts
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Java classloader authorization model?
When loadclass () is called on classloader, does classloader first check whether the class is loaded, or delegate this…… -
Java – causes the logger to skip the root section in the logback
I have several recorder definitions and a root part with several Appenders, as follows: <logger name="X" level="deb…… -
Java – handling custom exceptions in spring security
We are using spring MVC spring security hibernate to create a restful API Authentication can occur in a variety of way…… -
Java – Google glass’s Hello world program – step by step
A week ago, I started reading the content developed by Google glass, including this However, I still can't find a tuto…… -
Java – how to display a temporary balloon tooltip during input validation?
I'm a little used to Gui idioms. When I input an error in the text input field, a balloon pops up from the field, with…… -
Is java – bytearrayoutputstream secure without flush() and close()?
So, will bytearrayoutputstream cause memory overflow if it is not refreshed and closed correctly? I mean, is it necess…… -
Java – optimizationlockexception when JPA merge() is used
I have a rest app where a resource can be updated Here are two ways to accomplish this task: > updateWithRelatedEnt…… -
Java – jedis – when to use returnbrokenresource()
When we should use this method In jedisconnectionexception, jedisdataexception or any jedisexception For jedis, my kno…… -
Java 8 stream – stackoverflow exception
Run the following code example to: import java.util.stream.IntStream; import java.util.stream.Stream; public class Te…… -
Java – determine whether one method overrides another that uses reflection?
See English answer > java: how to find if a method is overridden from base class? 8 I find that the only solution u…… -
The Java httpurlconnection timeout does not work
I wrote a program to open the HTTP URL connection of a website through a random proxy My httpurlconnection is called C…… -
Java – why can’t you call a super constructor from an enumeration constructor?
public enum A { public enum A { A(1); private A(int i){ } private A(){ super(); // comp…… -
Multiple OpenGL contexts, multiple windows, multithreading and Vsync
I am using OpenGL to create a graphical user interface application that can have any number of windows - the "multi do……