包含标签：Java 的文章
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Java – converts the original class object to a specific class object
I'm studying hibernate and spring Here I attach my method public List getAnalyticsbyid(String userId) { Session se…… -
Processing redirection 302 in Java
I've been trying to handle redirection in Java code (302)... And the code I use private void loadHttp302Request(HttpMe…… -
Java – hibernate – insufficient memory for inserting large blobs
In POJO, I have: public void setBlob(InputStream in,Long l) { this.blob = Hibernate.getLobCreator(SessionFacto…… -
How to deserialize map using integer keys in Java
I've been using the flexjson API to serialize and deserialize maps using integer keys This is a sample code block Map&…… -
Java – how to complete a job when a user closes an eclipse application
I use org eclipse. core. runtime. jobs. Job executes stored procedures, deletes data and updates the user interface ba…… -
Java – how to render libgdx bitmapfont so that its pixel color is opposite to the background?
either sb.setBlendFunction(GL10.GL_ONE_MINUS_DST_COLOR,GL10.GL_ZERO); sb.begin(); font.setColor(1,1,1); for (LineRect …… -
Java – stateful session beans and persistent entities
Stateful session beans are usually illustrated by implementing shopping carts From outside Java EE, I prefer to use pe…… -
Java – about bufferedimage Instructions for getsubimage (int x, int y, int w, int h) methods?
I'm trying to segment the image. I encountered a small fault. I don't know why it happened This is a quick pseudo code…… -
Java – in the new Use the compiled protobuf classes in the proto file
I imported a library containing classes generated by protobuf I want to send this kind of object as part of other prot…… -
Java – how to query two different databases (on different servers) in a HQL or jpql query?
I want to use HQL or jpql to write queries on two tables on two different databases (two different database engines wi…… -
Java – set byte [] to download as a file
I have a jasper report that generates an excel file and outputs it as byte []. I want the file to be displayed as a do…… -
Java – using dialogs in fragments
In my application, I have an activity and several fragments (activity as controller and fragments – as view) In some c…… -
Java – use dto or value object patterns to calculate deferred load exceptions
It's just an architectural problem in the Java / Hibernate / spring / MySQL stack Should I use opensessioninview patte…… -
Java – time zone and formatted date for Grails issues
I hope someone can help solve this very annoying situation. I find myself with Grails & date and time zone as my u…… -
Java – create util class
I created a currency fomatter class I hope it is a util class that can be used by other applications public class Curr…… -
Variable based javax bean validation?
Suppose I have a class with two member variables: import javax.validation.constraints.Min; class Foo { private int…… -
Java – JfreeChart that uses colourmaps to represent 3D data in 2D graphics
I am currently trying to use JfreeChart to represent 3D data in 2D graphics Basically, I have a two-dimensional array …… -
Java – why not throw an exception in objectify’s put() function?
The gae native put() function throws some exceptions when it fails But objectify's put () function never throws any ex…… -
Java – jax-ws error: unable to create SOAP message due to exception: XML reader error: wstxunexpected charexception: unexpected character ‘[‘
It shows the following errors. I don't understand why. Can someone help me? The error is: The function of my call is: …… -
Web form framework in Java
What are the common ways to build web forms in Java and groovy? Spring and Grails provide the corresponding taglib, bu…… -
Java – an XSLT custom function that returns a node set or an XML fragment (not a simple data type)
I'm trying to develop an XSLT custom function that can return node sets or XML fragments. Let's say: Input file: <r…… -
Java save changes
I have an application that mainly includes JList displayed on the screen I hope that whenever I make changes to the ab…… -
Java – transactions in the database do not work in Android
I used the following code, but encountered some problems: mDb.beginTransaction(); String updateQuery ="Query entered h…… -
Haskell – use the O (1) function to write a storable instance of CString to get the total byte length
I'm trying to write an instance of storable vector for CString (in my example, C characters ending in null) The storab…… -
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 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……