Java
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Strictfp in Java
I have implemented some neural network libraries in Java, and there are tight double (not double) matrix operations. T…… -
How to convert jdbc4connection to pgconnection?
I want to use Postgres copymanager: CopyManager cp = ((PGConnection) dataSource.getConnection()).getCopyAPI(); Because…… -
Java – how to check whether column names exist in cachedrowset?
I am viewing data in views that may change I need to know before I make a CRS Whether the column exists before get ***…… -
Java jtextarea multiline help
One problem I encounter is that I have two jtext areas, and I need to add a project list for them public void setInclu…… -
Java – get term frequency in Lucene
Is there a quick and easy way to get term frequencies from the Lucene index without using the termvectorfrequencies cl…… -
Java – spring hibernate persistence does not cause insertion
I'm trying to implement a simple Dao @Repository("iUserDao") @Transactional(readOnly = true) public class UserDao impl…… -
How to create an extensible list using Java Swing
I need to make an extensible list using java swing I'll try to demonstrate: Not expanded: >[Expand me!] >[And m…… -
java. Lang. SecurityException: sealing violation:
I use GWT in my java application When I try to run it as a web application, I receive the following error: If I Google…… -
Java – find nouns and verbs in the Stanford parser
I need to find out whether a word is a verb or a noun, or both For example, the word "search" can be either a noun or …… -
java – Apache Axis ConfigurationException
I am using Apache axis to connect my java application to the web server I use wsdl2java to create stubs for me, but wh…… -
Java Swing – UI Freezing
I did some routines in Java (1.5) swing, which took some time How is the best way to implement this route outside the …… -
Java – accessing WSDL on Tomcat
I have a web service and I'm deploying it on GlassFish I passed http://localhost:10697/APIService/APIServiceService?ws…… -
Repeat arrangement in Java (string form: 0000111222)
I have a string in the form of 00001122222 That is, consecutive numbers repeat randomly without Time Other examples ma…… -
Java – eclipse – an unexpected exception [closed] occurred when trying to create a web service based on a WSDL file
I am creating a web service in the eclipse Java EE IDE (Helios service release 2, Windows 7 32-bit) based on the WSDL …… -
Extract from strings in Java
I have a string; String value = "(5+5) + ((5+8 + (85*4))+524)"; How to split / extract the logical value from this str…… -
Java – reads and stores the contents of the file as a double array
I need to write a program to read and store input files with double arrays in Java The number of values in the file is…… -
Java – jetty: stopping programmatically causes “1 thread cannot be stopped”
I have an embedded jetty 6.1 26 examples @Override protected void doGet(HttpServletRequest req,HttpServletResponse res…… -
Java – JPA: @ embeddable object how to get a reference to its owner?
I have a user class, @ embedded a profile class How to give an instance of a profile a user class reference to its own…… -
Java – hibernate exception: unknown name value of enumeration class
When I try to retrieve a record from the DB, I get the unknown name value of the enumeration class Using JSF 2.0, JPA …… -
Java mapping concurrent update
I'm trying to create a map with int value and increase them through multiple threads Two or more threads may add the s…… -
How to use Java 6 to build a java project for the Java 1.4 library?
I have a project originally written for Java 1.4, but I only have Java 6 on my Mac, and I can't install Java 1.4 Usual…… -
What is the object field initialization and constructor order in Java
I ended the following scenario in the code earlier today (I admit it's a little strange, I've refactored it) When I ru…… -
Java – shutdown hook and finalizer methods
I just don't understand why I have to use runtime addShutdownHook. If you want to do some cleanup when the JVM exits, …… -
Java – spring boot – environment @ Autowired throws NullPointerException
I have one that uses spring boot 0.5 0.m5 project settings In one of my profiles, I tried to @ autowire environment, b…… -
Java – send and receive serialized objects over UDP
I tried to send a serialized object from the server process to the client process in Java using UDP The problem is tha…… -
Java – guava: why method create () instead of constructor?
Excuse me, can you explain why guava creators like to define constructors as private and define static methods create …… -
Java – ant buildfile cannot put the jar file into the classpath when running other jar files
I'm new to ant build files. I've managed to build my build files to create my build directory structure, compile all m…… -
Open source JavaFX 2.0 component library [closed]
Do JavaFX 2.0 have any good component libraries / repositories? In particular, I am looking for open source projects t…… -
Java – how to create a copy of the same object using different references?
Friends, I'm facing a problem. I have a phonecontacts list, which contains names and phone numbers I want to copy it i…… -
Java – how to open a Lucene 4.3 index?
I'm new to Lucene. I'm trying to open a Lucene 4.3 index using Luke (I created it with my simple Lucene 4.3.1 applicat…… -
Java annotation processing: how do I know that a round is the last?
When abstractprocessor is extended, it is possible to override init (...), but there is no "opposite" method, which wi…… -
List and list in Java
ArrayList of list < InterfaceI > and list both have class objects that implement InterfaceI When should I use i……