Java
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Java – how to do “large-scale” job scheduling (quartz?)
I have a general problem related to quartz scheduling framework: I need to execute the task after a fixed period of ti…… -
Java – generic Dao and service layer
I will design a Dao layer for my application My focus is that services only call Dao, which is independent of the unde…… -
Java – mybatis maps attributes to wrong enumerations
My domain class has properties that map to enumerations Strangely, mybatis 3.4 X (3.4.0 and 3.4.4. This applies to 3.3…… -
Java – use kotlin’s Hibernate: @ manytoone (fetch = fetchtype. Lazy)
I'm using hibernate and kotlin, and I met fetchtype on the @ manytoone relationship Lazy problem Consider the followin…… -
Java executes bash scripts that run daemon scripts
I'm processing a bash script that runs when my java server application requests a server restart The actions performed…… -
Java – Google Reader API authentication
I'm trying to use this snippet to authenticate on Google API services: RestTemplate restTemplate = new RestTemplate();…… -
Database – development using virtual machines
I have recently been given the role of managing or developing the environment, including: >To manage the version co…… -
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…… -
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 – equinox class loader deadlock
On equinox - based applications, deadlocks sometimes occur on the internal class loader -XX:+UnlockDiagnosticVMOptions…… -
How do I get all child threads from a thread in Java?
I'm developing a framework that allows customers to write their own code in Java And this framework invokes its code i…… -
NetBeans java code completion is eager to please
Is the default behavior of code completion normal when editing Java? >If I import a package, after entering the fir…… -
Java – cannot connect using HTTPCONNECTION in Android
I'm using Android 2.3 3. I have made an RSS reader that works well, and then I integrate the code of the simple RSS re…… -
Java – how to run play framework unit tests in eclipse
At present, I am using the play framework in Java to develop web - based applications I want to write a unit test and …… -
Java collection – top and bottom n elements
I have a very unique requirement that my collection should contain only the top and bottom n elements These elements a……