Java
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Java – read only association with JPA onetomany mapping
I have a trading entity associated with another entity, so the associated entity should not be updated in one case For…… -
Multithreading – provides ESRI mapping of the main thread checker: invoking UI APIs in background threads in IOS 11
I use ESRI maps in my application When I run the application in IOS 10, there is no problem loading ESRI map, and zoom…… -
Java – spring guided the application to build the delivery locally, but failed in Jenkins due to testing
When the gradle build command is executed for XXXX app in the local system, the build is successful However, when I ex…… -
Java – deploy with parameters * War file
I have a web project with rest API I want to deploy five copies of it on the Tomcat server For example: deploy test1.w…… -
Java / JAXB: ungroup XML elements with the same name but different attribute values into different class members
I try to parse XML with multiple "fields" elements into different class members according to one of the attributes <…… -
Java – can I implement multiple callback interfaces in C?
Can I implement multiple callback interfaces in C for Java? Solution The answer is No You can only implement a callbac…… -
Java – write a simple spring example using play! skeleton
I'm trying to make spring 1.0 1 module is set to use with play! 1.2. one First, I add the spring module to the depende…… -
Doctrine ORM – doctrine 2: write an appropriate subselect
I try to get the total number of records $QB will return before I apply for start & Query the limit attribute of $…… -
Unable to read input file – read image contained in jar file – Java
I think there are similar problems, but I can't find a solution I'm working on a painting application based on Java sw…… -
Do the following Java programs have to print “num: 1 m_i: 2” because of the synchronization sequence
I just want to check whether I understand the thread start synchronization rule of JMM correctly: Do the following Jav…… -
Java – in drools 6.5 0 and drools 7.0 The temporary operator failed after serialization in 0
I tried to implement serialization in drools My problem is that after the drools fusion operator, before,... Was not s…… -
Java – given some rectangles that can be rotated, find a closed rectangle with the smallest area
So I'm trying to implement an algorithm that takes many rectangles as input and tries to package them into rectangles …… -
Audio – beat detection at the beginning of a note?
How do you determine which note onsets are beats? At present, what I have is a bit like the "powerful" method using th…… -
Java – if basic authentication is used, the applet displays the login dialog box
I inserted a java applet on the web page: applet = '<embed' + ' type="application/x-java-applet;version=1.6"' …… -
Java – JMX port dynamic allocation
I have 16 Java processes running the same main methods and parameters on one machine I want to monitor these remotely …… -
Java – Mockito verifies a method of calling onces after a spy, though it never calls.
I had a unit test and found a strange problem at the beginning GSLClient gslClient = spy(new GSLSolaceClient()); S…… -
How to use Java nio. channels. Filechannel reads ByteBuffer and implements similar behavior similar to BufferedReader #readline()
I want to use Java nio. channels. Filechannel to read the file, but I want to read each line, just like BufferedReader…… -
Java – should I upgrade / migrate hibernate 2.5 to hibernate 3.0 or upgrade directly to the latest stable version?
I have an application using java se 5 and Hibernate 2.5 I have to upgrade / migrate to Java 6 and later hibernate What…… -
Java generics: how to wrap / extend Android activity test cases?
I tried to extend activityinstrumentationtestcase2 as follows: public abstract class FooActivityTestCase<T extends …… -
What is the problem in the next Java / SQL code sequence?
I updated the table in the access through Java code, but it didn't work However, when I print the result of executeupd…… -
Java – how to display the velocity vectors of different pixels of an image on an image?
How to display the velocity vectors of different pixels of the image on the image? I have a vector array (VX and vy pe…… -
How to run external programs within the Java framework in NetBeans in a platform independent manner?
I'm currently working on a research project for a university. I'm GUI interacting with my database and starting extern…… -
Java – if the mail server shuts down, the Apache camel SMTP component suspends the entire bus
I think this is a very common situation I have an invoice system managed by Apache camel When something goes wrong, I …… -
Neural networks – Java based neural networks – how to implement back propagation
I'm building a test neural network. It won't work My main problem is back propagation According to my research, I know…… -
Find variable usage / reference in Java source code using ANTLR?
Variable usage is basically every occurrence of a variable after it is declared in the same scope, in which some opera…… -
JNI: the overhead of holding Java object references in native code?
I look forward to integrating JRE into C applications through JNI What is the cost of holding a large number of Java o…… -
Java – @ generatedvalue annotation
I have an entity that has a non - key column and I set it to auto - generate in my database I can't use @ generatedval…… -
Returns a Java array from a java servlet to jQuery
I am currently developing a web application that uses the cycle plug-in for jQuery to display slides of images For eas…… -
Selenium,Java,waitForCondition
I want to check the following (on IE8): After clicking the link, the pop-up window starts, and then I want to check wh…… -
Multithreading – using dispatcher in unit testable MVVM code
I have an MVVM Lite application and I want unit testability The model uses system Timers. Timer, so the update event i…… -
Java – how do I start activities defined in other Android projects?
I have defined some common activities in the library project and hope to reuse them in my work project I declare my li…… -
Java – multiple in conditions in jpql
How to express the following SQL in jpql: select * from table where ( ( table.col1,table.col2) in (col1val1,col2v……