包含标签：Java 的文章
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Java – bypassing generatedvalue in Hibernate
It is possible to bypass the ID of @ generatedvalue in hibernate. We have a case where we want to use generatedvalue t…… -
How to delete data using sets in Magento ORM?
Now I'm deleting data $deleteCCL = Mage::getModel('crossdata/customccitem'); $deleteCCL->load($itemId); $delete…… -
Java jar ant include folder
My question is: how can I put files into subdirectories into my jar through ants? Now my code is: <jar destfile="${…… -
Can two Java interfaces be mutually exclusive?
I have two interfaces that should be excluded: interface Animal{} interface Cat extends Animal{} interface Bird extend…… -
Java – log4j2 why log4j?
I must miss something, but now I've been watching it for a few days, but why can you use log4j2 (not performance) befo…… -
Java – JUnit test passed, but pit indicates that the suite is not green
When trying to run pit mutation test, I received the following error: When I do the normal test build, the tests run w…… -
Java – spring: exception start filter springsecurityfilterchain
I'm using spring 3.1 Write an application with 2 - release The app server is Tomcat 7 This is my profile: web.xml <…… -
Java – how to use GridLayout to set component size? Is there a better way?
I'm using java to develop a bigger GUI, and I'm getting angry with the layout manager I have a "settings panel" that c…… -
How do I change the default class loader in Java?
Suppose I have three classes, classA, example ClassB and example ClassLoader. ClassA prints out HelloWorld and ClassB …… -
What are the security implications of deserializing untrusted data in Java?
Can I safely deserialize untrusted data if my code has no assumptions about the state or class of the deserialized obj…… -
Java – how to reschedule tasks using scheduledexecutorservice?
I saw this in Java docs: scheduledatfixedrate I don't want this to happen in my application Even if I see an exception…… -
Java – why is setname in the thread class assigned to a character array? Why not a string?
When I deal with the thread concept in Java, I have seen thread Java source file I noticed that the setname () method …… -
Java – which eclipse files are excluded from subversion repo
As a development team, we always like subversion and solar eclipse. We checked everything and everything was fine Unti…… -
Java – addfirst method of arraydeque class
java. util. The code for the addfirst method in the arraydeque class is public void addFirst(E e) { if (e == null)…… -
Java – an instance of an abstract class
See English answer > interview: can we instantiate abstract class? 15 public abstract class AbstractClassCreationTe…… -
How to pronounce “J2EE” or “Java EE”
For all those J2EE / Java EE developers, when talking to people in the real world, you will say or or or Or something …… -
Java – how to implement concurrent HashMap using the functions in LinkedHashMap?
I have used LinkedHashMap and accessorder true, and allow up to 500 entries to be used as LRU cache of data at any tim…… -
Java – jmockit failed through agentinitializationexception: the agent jar was loaded but the agent failed to initialize
I'm developing a plug - in for eclipse Kepler Adding @ runwith (jmockit. Class) to my test class will cause the follow…… -
Java – firebase cannot find the property serialized with the object in publishing mode
I wrote a method to push real-time location data to firebase: private void writeNewMarker(int sessionType,String myUui…… -
Java – the best way to avoid duplicate code if two classes extend different classes
I'm developing an Android project and I'm facing this situation I have two classes: class A extends B { openDoor(){ /…… -
Java – cannot use multiple ebean databases in play 2
We are using play framework 2.0 3 set up a slightly complex project We need to access several databases (pre-existing)…… -
Java – view the cache of headers and footers in the list view
You can add a list view to a header and footer view Cache these views? edit Consider a layout of such content (essenti…… -
Should I use playback framework or normal Java EE
I plan to launch a website that I will use commercially I've heard of the play framework recently. It looks good But I…… -
Java instantiation
>When an object is instantiated in Java, what really enters memory? I understand the usual Abstract explanation for…… -
Java – spring boot swagger custom swagger UI html
I encountered a problem migrating the war application to the spring boot jar application I am using spring boot 1.4 1 …… -
Calculate the distance between two vectors of different lengths
There are different ways to calculate the distance between two vectors of the same length: Euclid, Manhattan, Hamming …… -
Java – change the child order of SWT composite
In my case, I have two sashform children, but the problem applies to all composites class MainWindow { Sashform sa…… -
Should spring management be “everything” in Java – spring applications?
We are developing a new application and we want to use spring (University project!) When writing a new spring applicat…… -
Java execution process – Rewriting methods execute first than constructors
I have the following code in the same java file import javax.swing.SwingUtilities; import java.io.File; public class …… -
Java – where does velocity search for templates?
I need to use velocity from Java code in my web application (I use it as a mail template processor) So I have a standa…… -
Java – use bitwise and in if statements
In C, I can write an IF statement if (firstInt & 1) But when I try to perform the same operation in Java, the comp…… -
What is the meaning of the question mark in angle brackets? Extend Java lang.Comparable>
In the App Engine, according to the Javadoc, the gettyperank method has this signature: public static int getTypeRank(……