Java
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Java – sets the difference between the extraction size on the statement and the resultset
What is the difference between setting the extraction size on the statement and the resultset? The Oracle document say…… -
Sending e-mail in Java EE 6
I'm developing a Java EE 6 application deployed on GlassFish. I've been reading tutorials on how to send e-mail, but t…… -
Java – is there a good way to abstract the GUI, so you can use SWT or swing?
I am writing an application with SWT GUI, but I hope the end user can choose between SWT and swing I've tried to abstr…… -
Copy all properties of one POJO to another in Java?
I have some POJOs of third-party cans, which we can't disclose directly to customers ThirdPartyPojo. java public class…… -
Java – there is no padding on spring social Facebook
I'm trying to get a user location on spring social Facebook: Facebook fb = ((Facebook) connection.getApi()); Page pg =…… -
What is the scope of Java – @ enabletransactionmanagement?
I'm trying to figure out where to put the @ enabletransactionmanagement annotation in the right place in the case of m…… -
Java – maven, Jenkins – how to build projects into different test environments?
I have a java project with JUnit test, which needs to be run on different test environments (DEV, staging, etc.) throu…… -
Java clipboard owner purpose?
I wrote a Java application that copies strings to the system clipboard Constructor use Clipboard.setContents(Transfera…… -
Dormancy – trying to understand the importance of the owner of a one to many relationship in orm
Although my question is specific to the way entity relationships are described in the play framework using hibernate, …… -
Java – how to implement Hough transform?
How to implement Hough transform on text image? I'm looking for pseudo code (which will eventually be in Java) Here ar…… -
Java instantiates a class from a string
I have the following, public interface SuperbInterface public class A implements SuperbInterface public class B extend…… -
Maven enunciate plugin on Java 1.8 is now removed from the latest JDK (i.e. Java annotation processing tool)
The question is how can Java 1.8 work with Maven enunciate plugin? Use the Maven plug-in org codehaus. Enunciate versi…… -
Java – spring, notreadablepropertyexception and GlassFish versions
I am using a web application using spring MVC It's in GlassFish 3.0 It worked well on GlassFish 3.1, but it began to b…… -
Java – name based virtual host using spring boot
I am looking for the best way to host multiple websites developed using spring boot I have a public IP that points to …… -
Entity Framework – deferred loading, deferred loading and Eagle loading in Entity Framework
What is the difference between these three types of loading? Can anyone explain an example? Different online resources…… -
Creating commands for terminal applications in Java
I'm new to programming. I'm creating an application that runs only on the command line I found that I could read input…… -
What is the difference between advisor and aspect in Java – AOP?
I'm new to spring AOP Based on my understanding, I have noticed that both Advisor (such as defaultpointcutadvisor) and…… -
jsf-2 – javax. faces. Facesexception: unable to parse the result of navigationcase
I'm at / template / template There is a template. On XHTML XHTML file <h:head> </h:head> <h:body> …… -
Hot deploy Java ear to minimize or eliminate application downtime on the server?
I heard that this is what javarebel does, but is there any other good way to deploy the new version of ear while allow…… -
Java Swing; How do I make it so that the program starts on the far right side of the screen?
By default, my swing program starts at the top left corner of the display Is there any way to make it pop up on the ri…… -
In Java, is there any way to read the file when it is locked by another thread?
So I use the following command to create a lock on the file so that I can edit it exclusively: File file = new File(fi…… -
Rx-java2 – create custom operators in rxjava2?
It's hard for me to find examples of how to create custom operators using RX Java 2 I have considered several methods:…… -
Java – 1e9d divided by what does that mean?
This is a clip: String myTime = someTime / 1e9d + ","; Sometime is using system Derived from nanotime() 1e9d what are …… -
Comments – how do I discard bindings in Ocaml?
I want to comment the function in the external library as deprecated to ensure that it will not be used in my project …… -
Java: non heap memory analysis
The problem we have is that our non heap memory has been growing So we have to restart our Jee (java8) – webapp every …… -
Java – firestore – objects with internal objects
Custom object with (documentsnapshot documentsnapshot) parameter It is also the internal object of firebsae. It retrie…… -
Java – is ThreadLocal better than HttpServletRequest setAttribute(“key”,“value”)？
The servlet specification (see my previous question) guarantees that the same thread will execute all filters and asso…… -
Java – running Google App Engine applications on multiple client domains
I want our customers to integrate our Google App Engine Application into their domain For example, suppose a customer …… -
Java – hibernate restricted result query
How does the maxresult property of a hibernate query work? In the following example: Query query = session.createQuery…… -
Java – why can I assign a value to a char variable without explicit conversion?
I wonder why this clip works char ch1; ch1 = 'a' + 1; System.out.println(ch1); In line 2, instead of promoting the rig…… -
Java – how to sort the values of the HashMap freemaker template
I have this HashMap in Java: HashMap<String,String> map = new HashMap<String,String>(); map.put("k1"……