Java
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Java – hibernate criteria API: filter by subset
I have a class that contains a set of B's I want to create a hibernate criteria to get the set of all a, where the BS …… -
Java – ClassCastException in datanucleus Dao object when using JDO to persist / retrieve object
I created a simple webapp using spring Jetty, I'm using datanucleus & to create a hello world JDO test DB4O. I can…… -
Java – use the Library under GPL in my program How should I refer to them?
I want to distribute a Java application that uses a library under another GPL Solution If the application contains any…… -
Java – in zookeeper, can I use async GetData () on a znode that doesn’t exist?
Even if I call the exists () method, I should check the code NoNode. So can I use the GetData () method directly? I no…… -
Java – returns a different reference page from the edit page
I use spring MVC (not webflow) I have a page setup for editing specific entities This page can be called from many oth…… -
Java – what is the way to transfer data objects from the client to the server using GWT to maintain data?
If you use JPA or other types of persistence, you may have a way to save records sent to the client through Ajax Edit:…… -
Sending data from Java to C
I'm creating a program to send strings from a java client to a C server using Winsock2 I am using dataoutputstream to …… -
Java classpath with and without colon ‘:’
I'm learning Java. I have a quirk that I think only experienced people can answer (I've completed the whole list of si…… -
Embedded – when rxif flag is set to 1, PIC32 SPI ISR is not called?
I use pic32mx795f512l spi3 module in slave mode My master sent data over the SPI line, but my slave's interrupt servic…… -
java – NullPointerException：Collections. binarySearch(List <？extends T>,T,Comparator <？super T>)line：not available
Print this stack error "collections. Binarysearch (list , t, comparator ) line: not available" int index = Collections…… -
Java – stop the full screen window to minimize joptionpane showMessageDialog？
code private MainApp() /* Extends JFrame */{ DisplayMode displayMode = new DisplayMode(800,600,16,75); ScreenM…… -
Java – JAXB schemagen ungrouping error
I am using JAXB to generate XML schema from my java class, so that other developers can easily create class instances …… -
Java – linkedblockingqueue and primitives
I need a linkedblockingqueue, but I pass the primitive to it The data rate added to the queue is about 4 milliseconds …… -
Java – is the hardware UUID on the MAC reasonable for licensing
OK, I know that no license scheme can be cracked; I'm not asking for one I have used a method in Java that combines th…… -
Embed jetty in a Java application and export it as a jar
I'm making a Java application embedded in jetty web server, which in turn provides content developed using Google Web …… -
Java – spring: create any number of beans using factory beans
I have a factory ish bean that creates many objects at startup. I hope these objects themselves are spring beans If I'…… -
What is the difference between two similar algorithms of Java – 3sum?
I am here http://www.leetcode.com/onlinejudge A 3sum problem was found on the, as follows: Given an array s of N integ…… -
Java – C3PO helper thread deadlock
I use C3PO pool with my GUI application I have the following configuration overrides.put("maxStatementsPerConnection",…… -
Recursive algorithm of space filled Hilbert curve in Java
I'm learning to write code in Java. I've learned the recursive part of Java programming I understand the basics of rec…… -
Check for pending changes when using WPF explicit binding
I have a modal pop-up window that contains a Check@R_955_2419 @, when the user clicks the Save button on the form, it …… -
Java – Preparedstatement and Oracle 10g bug
When we call some SQL in the Java Web application, I have a big but intermittent problem with errors in Oracle 10g. We…… -
JPA sets the where clause when querying the fields of two mapjoins
I'm trying to build a complex query My entity looks like this: @Entity public class Configuration{ @Id @Column(…… -
Java – how do I manage the native heap?
I'm studying the lazy list and I'm worried about it When the local heap is too large, how do we detect and control it …… -
Java – is there any way to use Sax parser and visitor mode?
I'm curious about this: if I need to use a Sax parser to improve efficiency (this is a big file) Usually I use somethi…… -
Java sequencer playlist
I currently have a very simple course: public class Music { private Sequence sequence; private Sequencer seque…… -
What is java locksupport Parknanos Net equivalent?
Basically, I need a way to start submicrosecond thread sleep, just like parknanos Thread. Sleep seems to be accurate t…… -
Java – how to access the webcontent folder from the web service method
I want to reach the file in the webcontent folder from the method in the web service in the same project For example: …… -
Add java compiler to Matlab?
When I entered mbuild setup in MATLAB (r2011a), there was no java compiler (JDK) available, although I had already ins…… -
Java – Android service activity 2 mode communication
In my team's Android application, I have a service running from startup. It communicates with the server to perform op…… -
Multimedia playing in Java
I need to play multimedia files in Java I have studied JMF and FMJ, but these have not been updated for several years …… -
javax. net. ssl. Sslhandshakeexception: fatal alert received: error in handshake APN
I'm trying to send a push notification to iPhone using java PNS, but I received the following error javax.net.ssl.SSLH…… -
Configuring spring web flow using java
I am using spring 3.1 and want to include spring web flow 2.3 One thing I really like about spring is that you can sup……