包含标签:Java 的文章
-
Java – Apache commons DBCP connection pool error: timeout waiting for idle objects in spring hibernate applications using spring transactions
I have read various stackhover process problems and contents of similar problems on the Internet However, I can't find…… -
Java – spring batch: create an itemreader that reads XML files from a web service
I am trying to create a spring batch job that will process the XML file that will be provided through the rest call I'…… -
Volatile member functions and constant member functions in volatile
Many people say They are very similar in the sense that the pointer is marked const / volatile. It can only access mem…… -
Sun Java / Oracle bug database: new URL?
It seems that the sun website was finally destroyed: http://bugs.sun.com/ Although it still mentions: http://www.oracl…… -
Java – using connection pooling in JPA
I have a standalone JPA (hibernate) - MySQL application My persistence XML looks like: <persistence-unit name="JPAP…… -
JavaFX – spell check text in textarea
How do I spell check the text entered by users in textarea? Can this JavaFX component be implemented? Can I use the st…… -
Java – use imageio Write() creates a JPEG file of 0 bytes
I'm trying to write a way to take an image and save a 100 x 100 thumbnail of the image However, when I save the file, …… -
Java – strange copy constructor
I have two classes: abstractmailingdirections and directionload Both have a copy constructor as follows: public Abstra…… -
Java – spring secure stateless configuration
I tried to follow the document http://static.springsource.org/spring-security/site/docs/3.1.x/reference/security-filte…… -
Java – the best way to implement collision detector in OOP
I made a simple physics based game in Java, and I insisted on implementing the collision detection method I have sever…… -
Java – how to add parameters to a request from a containerrequestfilter
I use Jersey spring I have Jersey filter, which implements containerrequestfilter. I need to transfer objects in my je…… -
Java – FileUtils. Java for large files Copyfile failed
I have a simple java application that tries to copy files over Wan (from Ireland to New York) I recently modified it t…… -
Correct SQL query format in Java
I seem to be able to get the syntax correct for JPA queries to the database Squirrel SQL works well The database is De…… -
Java – is there any way to ICO file decoded to be greater than 16 × 16 resolution?
I'm studying Android and trying to download and display a favicon (. ICO) from the website on ImageView So far, I have…… -
Java – invoking an action using an Ajax URL in struts 2
I'm trying to connect to my action class using the URL in Ajax But it didn't enter my action class and didn't even use…… -
Javacv uses ffmpeg to capture frames
I created a class to capture frames from video When a frame is captured, it is saved as a picture When the video is Wh…… -
How do I use libraries compiled for Java 7 in Java 6?
I'm developing a Java application and I need to use one called mybeans Jar This mybeans@ R_ 419_ 2267 @ contains many …… -
How to use log4j in Java step by step to configure JBoss 6 Logging in X
Hello everyone, I'm a novice of JBoss, so I'm confused when setting up logging in JBoss 6.1 I Google it and know that …… -
Java – create a jar file and run it on the raspberry PI
This is a very common problem and it is possible to mark it as a duplicate, but it cannot be solved even after reviewi…… -
Java – ColdFusion memory leak when calling CFC directly without method parameters
We had memory problems for a long time I finally found out how to copy the problem, but I don't know what caused it or…… -
How to use SVM in Weka?
I am trying to use SVM classifier in Weka When I click on the libsvm classifier and try to train the model based on so…… -
Using the dropwizard to process long requests
I have a simple dropwizard service. I want a rest API to start a long-running processing task - including CPU and I / …… -
Java – character encoding of Jasper Report PDF format
I want to use custom fonts in Jasper reports Myanmar 3 is the standard font in Myanmar When exporting a report to an H…… -
Java – sonarqube – helps create a new language plug-in
I'm creating a new plug - in for sonarqube that allows developers to perform static code analysis on esql code Using m…… -
java – JBoss 7.1. 1 failed to start because of unexpected element ‘pool’
When I add a pool element, I receive the following error message: If I delete a pool element, how it works I have chec…… -
Java – call ggplot. Java from rserve 1KB blank PNG image
See English answer > ggplot's qplot does not execute on sourcing 1 When this code is executed in the R console, a c…… -
Java – restrict digital input jtextfield
I'm working on a Sudoku solver. I'm trying to limit the number of cells users can enter and can only enter numbers. At…… -
Java – is there any way to free memory during big data processing?
I have a database for storing invoices I have to use the information in all invoices to perform complex operations for…… -
Java – why is implicit conversion effective when reflection casting throws an exception?
Assume the following codes: @SuppressWarnings("unchecked") public static <T> T implicitCaster(Class<T> cl…… -
Java – Concurrent pairing
I'm looking for a Java concurrency idiom to match a large number of elements with the highest throughput Consider that…… -
Java array syntax substitution
See English answers > What does int []... Arrays mean in Java? 8 yes public void fn(Character[]...){} amount to pub…… -
Creating CSV files using java
I will use java to create a CSV file This is part of the code: try{ FileWriter writer = new FileWriter(sFileName)……