Recent Posts
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Java – transaction log Library
I need a transaction log library with the following functions: @ h_ 404_ 2 @ > maximum performance No flush, let th…… -
How to redraw the window (stage) in Java FX 2.2
I need to redraw a window when selecting combo box elements Here is my code functionCombo@R_683_2419@.valueproperty().…… -
@Managed beans in escbed @ EJB cause Java io. NotSerializableException
I've been banging my head with the @ viewscoped managed bean I am using the "schedule" component of the form to displa…… -
Java – best practices for GWT service exception logging
I decided to add the logging system to my GWT service layer First, I want to record all exceptions thrown from this la…… -
Java – hotspot JIT inline strategy: top-down or bottom-up
Suppose we have 3 ways: Method 2 is invoked from method 1, and method 3 is called by method 2. If method 2 is inlined …… -
Java – pass the object as a parameter and modify it within the method
Suppose I have a map < string, string > I want to delete all the values containing foo What is the best way to o…… -
Java – how to write paging logic?
Can anyone provide some ideas / logic to write paging logic for the search page I'm studying? <prevIoUs 1 |2 |3 | 4…… -
Java – JSON mapping exception cannot deserialize an instance to start_ Array token
I tried to parse my JSON request to my model I don't know what's wrong with this code The syntax of JSON is also corre…… -
Java – JSF 2 – bean validation: validation failed – > null value is replaced by the last valid value from the managed bean
I don't understand the behavior of jsf2 during the price period I hope someone can help me I have a form in which the …… -
Java – Etag processing in spring MVC rest
I am considering switching from Apache CXF RS and Jax rs to spring MVC rest, and look at some problems in the way spri…… -
Java dateformat illegal pattern character ‘y’
We recently made a strange error in the production environment (the test environment works normally) java. Lang. illeg…… -
Is there any way to reinitialize a static class in Java?
I try to unit test a class that references static data from another class I can't "not" use this static class, but obv…… -
Java – two related enumeration mappings?
I have two related enumerations Enum1： public enum HttpMethodName { GET,POST,PUT,DELETE; } Enum2： public enum …… -
Java – perform UPnP scan without returning to Philips hue Bridge
I tried to implement my own UPnP scan. It mainly works and proves that this is not me. I have a Windows program that a…… -
Java 8 stream filters the values in the list
I have an object that looks like this class MyObject { String type; List<String> subTypes; } Is it pos…… -
Java streams: get value groups through internal map keys
I have map < A, map < B, C > > and I want to get map < B, list < C > > from it using java stre…… -
JPA – how to add a criteriabuilder with a custom “on” condition?
I want to use criteriabuilder to query and add 2 tables In mysql, the query I want is as follows: SELECT * FROM order …… -
Java – what is the purpose of partitioning
For example, if I want to split some elements, I can do something like: Stream.of("I","Love","Stack Overflow") .…… -
Java – no idea why: the resourceconfig instance does not contain any root resource classes
I'm new clothes and web services, and I'm trying to run a simple restful web service I follow http://www.mkyong.com/we…… -
Java – no idea why: the resourceconfig instance does not contain any root resource classes
I'm new clothes and web services, and I'm trying to run a simple restful web service I follow http://www.mkyong.com/we…… -
Java – protected / public internal class
Can someone explain to me the difference between protected / public inner classes? I know that public internal courses…… -
Java – hibernate – cannot use UserType to execute queries in the where clause
I have a hibernate UserType defined as converting data before it enters our database, and then decompressing it when i…… -
Java – escape in FreeMarker by default
In the FreeMarker template, we can use the escape instruction to automatically apply escape to all interpolation in th…… -
Java – contains type inference for return types, wildcards, and cross types
I'm trying to declare an interface that contains a method that will return an implementation comparator < Object &g…… -
Java – get the Maven version of the project programmatically
How do I programmatically get the Maven version of my project? To put it another way: static public String getVersion(…… -
Java 8 lambda api
I'm trying to migrate from RX java to Java 8 Lambdas An example I can't find is the method of buffering requests For e…… -
Find a good tutorial on how to develop OData services in Java (with restlet, Jersey or odata4j)
I am looking for a tutorial that shows how to develop an OData service using Java Solution The odata4j document on dep…… -
Java EE – multiple response HTTP states in spring MVC
With the following codes: @RequestMapping(value = "/system/login",method = RequestMethod.GET) public void login(@Requ…… -
Package private scope in scala visible in Java
When I used the bytecode generated by Scala code from Java code, I just found the strange behavior of scala scope Cons…… -
Java – in Net?
I want to know what's going on here Net, but Java doesn't have much experience I think applets can be compared with Si…… -
Java – is the first element of an array returned using split always safe?
I'm sure the answer is yes, but I just want to make sure that no non empty string (whatever it contains) will return a…… -
Java – why is “multiplexing, non blocking I / O, […] more scalable than thread oriented, blocking I / O”?
I was reading the channel in the JDK 7 document (here) and came across: Is there a simple explanation why? Solution "B……