包含标签：Java 的文章
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Java – should the entitymanager of JPA be requestscoped?
I am using JBoss 7 to develop web applications based on Java EE 6 class ForumServiceEJB { @PersistenceContext(type…… -
Java – what is a cached string?
What is a cached string? Or what is string caching? I've read this term many times at JNI, but I don't know what it is…… -
JAXB unmarshalling using @ xmljavatypeadapters
I have three classes @XmlRootElement public class GeofenceParameter{ private GeofenceCenterAddress geofenceCenter…… -
Java – safely handle concurrent Memcache updates in App Engine
Google Apps engine documentation for secure handling of concurrent Memcache updates: I am building an application that…… -
Java – set hibernate ‘default cascade’ attribute globally
I'm using annotated spring and hibernate I want to set the default cascade attribute for all classes in my mapping fil…… -
Rest – possible multithreading algorithms list all keys in large S3 buckets?
In S3 buckets containing a large number of keys, listing keys through the rest API is a very slow process >You can …… -
Java – how to retrieve Facebook auth code using restfb
I am using restfb to create a Java application Basically, the steps are as follows: >Redirect to Facebook as an exa…… -
Java bug？ GB2312 files cannot be read directly using scanner
I have a gb3212 encoded file (Chinese) Download the file from here http://lingua.mtsu.edu/chinese-computing/statistics…… -
Java – changing the log4j properties file at run time will result in the creation of an empty default log
I have an application that uses log4j to log in to a text file, and I put a log4j. Net in my executable jar file Prope…… -
Java – run a jar file in PHP and write a file
When executing the jar file, I have the following problems in PHP I use the following command: exec("java -jar JavaPro…… -
Magento Java soap invalid XML response
I am using Apache CXF to write magento.xml on the soap client So I set up a Magento store on the online server Except …… -
Best java thread safe object pool
I'm not familiar with Java's concurrency library, so I usually only write my own mutex management code for the followi…… -
How to generate Javadoc of only one package
I only generate a specific package through NetBeans Javadoc If I press the panel "generate JavaDocs", I get JavaDocs f…… -
Using an array to implement three stacks, can this code work?
This is what I found in the algorithm / interview question book. Others have several posts on this question, but I sti…… -
Java – add margins for LinearLayout in Android
I have some problems setting the deposit! body_content = (LinearLayout) findViewById(R.id.body_content); int gSLength…… -
Game performance based on Java OpenGL block
I'm using lwjgl and Java to build a block - based 3D game, just like minecraft I currently have a block class, which c…… -
How to write script input of Java program
I am writing a java program that requires its (technical) users to write scripts for input; It interprets these script…… -
Java – continuous integration of swing UI testing
I've done automated UI testing on a major WPF project before, and it works well I am now turning to the Java Swing pro…… -
Exception in thread “main” Java Lang. NoClassDefFoundError: mainly in eclipse on OSX 10.6
When I tried to run a simple hello world application in eclipse, I got Exception in thread "main" java.lang.NoClassDef…… -
Java – Weka vs mahout recommendation engine
I look forward to proposing a collaborative filtering solution I am very satisfied with Java and found that Weka or ma…… -
JDBC batch creation in Sybase
I need to update a table with about 5 million rows Righht now I have 100 batches and it works normally But when I add …… -
Java – use struts to check PFX file types
Is there any way to check that the uploaded certificate is really a PFX certificate? I try the following code: LazyVal…… -
Java – in the case of MSSQL, metadata Gettables result set is empty
I tried to select all table names from the database Use the following code line DatabaseMetaData databaseMetaData = c…… -
Java – layering multiple glasspanes in the root container
Can I add multiple glasspanes to a single JFrame, or do I have to use uncomfortable layeredpane and opacity attributes…… -
Does the CLI communicate with a running Java application?
When you start an application, you can pass parameters to the application But how do I pass parameters to a running (J…… -
Java – Android heap 1-byte array type is very large
So, I'm studying games in Android. I'm checking the heap and allocation to see if there's any problem with memory and …… -
Java – JPA, many to many relationship, delete all previous relationships and enter new relationships
Here, I am trying the many to many relationship in JPA. I have created tables "tblcourse" and "tblstudent". Students c…… -
Is it possible to call the local player in J2ME development and play the video?
I want to call / open the native player for my application I have to open my local video player and play my video with…… -
Java – hibernate primary key constraint violation
I'm trying to write an SQL script to migrate data from some old tables to a new table Sometimes my application tries t…… -
Java EE – domain level session cookies on multiple domains
If you want ColdFusion to create session cookies as domain level cookies, for example bar. Com instead of foo bar. Com…… -
Arabic content problem when reading mail using JavaMail API
I'm using the JavaMail API to read mail from the Gmail server My email contains Arabic content from Gmail ID to other …… -
Java EE – enabling role-based security in WebSphere 7
My web application (created using struts 2) contains 2 pages >1) make request > 2) approve request ）Deployed in……