Java
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Hot deploy Java ear to minimize or eliminate application downtime on the server?
I heard that this is what javarebel does, but is there any other good way to deploy the new version of ear while allow…… -
Java – JWT signature does not match local computed signature
I'm using it JwtBuilder builder = Jwts.builder() .setId(user.getEmail()) .sign…… -
Java – there is no padding on spring social Facebook
I'm trying to get a user location on spring social Facebook: Facebook fb = ((Facebook) connection.getApi()); Page pg =…… -
Java – mitosis of human cells
I am writing the genetic process in Java for my project. I want to simulate the mitosis of human cells Human cells con…… -
What is the scope of Java – @ enabletransactionmanagement?
I'm trying to figure out where to put the @ enabletransactionmanagement annotation in the right place in the case of m…… -
Java – run a script to create a table using HSQLDB
I use HSQLDB to run unit tests that require database access At present, when I want to create a table for a specific t…… -
Java – tab based autocompletion in console applications
I am writing a console based Java application. In this application, a user-defined command will be displayed to prompt…… -
Java – maven, Jenkins – how to build projects into different test environments?
I have a java project with JUnit test, which needs to be run on different test environments (DEV, staging, etc.) throu…… -
java. io. IOException: error = 2, there is no such file or directory
I tried to use runtime getrunTime(). Exec runs a java program from another Java program code: String java_home = Syste…… -
Java – maximum accuracy loss of double addition / subtraction at one time
Is it possible to establish or even roughly explain the maximum precision loss when processing two double values in Ja…… -
Java clipboard owner purpose?
I wrote a Java application that copies strings to the system clipboard Constructor use Clipboard.setContents(Transfera…… -
Javafx-2 – in javafx2 2. How to set the font size of the text entered in the input field and header?
In my javafx2 In the fxml program, I found that the font could not be extended correctly As a result, the header and i…… -
Java – run the cucumber test using JUnit categories through Maven
I have a maven project with multiple modules and a common parent module In this project, some unit tests run with JUni…… -
Dormancy – trying to understand the importance of the owner of a one to many relationship in orm
Although my question is specific to the way entity relationships are described in the play framework using hibernate, …… -
Java – how do I track orphaned JDBC connections that are not closed?
We found an error in the old code that did not close the connection This is a simple solution, but I want to know how …… -
Java – BufferedReader in multi-core environment
I have eight documents Each of them is about 1.7 GB I'm reading these files into a byte array, and the operation is fa…… -
Java – how to implement Hough transform?
How to implement Hough transform on text image? I'm looking for pseudo code (which will eventually be in Java) Here ar…… -
JavaFX layout with parent extensions
I use JavaFX instead of swing in my project because of enhanced multimedia, webviewer and the possibility of using vis…… -
Java – how to set the spring logging level during testing?
See English answers > spring boot test ignores logging Level 6 I have application. In my project root directory pro…… -
Java instantiates a class from a string
I have the following, public interface SuperbInterface public class A implements SuperbInterface public class B extend…… -
Rx-java2 – create custom operators in rxjava2?
It's hard for me to find examples of how to create custom operators using RX Java 2 I have considered several methods:…… -
How can I share Java functionality without providing other source code?
When programming in C language, we have header files and source files When our company sells our products (essentially…… -
Java – why is cloning arrays so slow?
This test for (;;) { int[] a = new int[10]; System.gc(); long t0 = System.currentT…… -
Java – 1e9d divided by what does that mean?
This is a clip: String myTime = someTime / 1e9d + ","; Sometime is using system Derived from nanotime() 1e9d what are …… -
Java – why does this type parameter remain in bytecode?
Type erasure page says However, for the following classes: public class Foo<E extends CharSequence> { public…… -
Java – Sudoku solving method
There is something wrong with my Sudoku solving method The plan works as follows; When the circuit board starts, it is…… -
Comments – how do I discard bindings in Ocaml?
I want to comment the function in the external library as deprecated to ensure that it will not be used in my project …… -
java-8 – Weblogic 12.2. 1 Java 8 Spring Data JPA Hibernate 5. X deployment conflict
I'm trying to use 5.0 with hibernate X and spring data JPA 1.9 Weblogic 12.2.4 1. Deploy ear file In Weblogic 12.1 The…… -
How to unit test Java methods using processbuilder and process?
I have a Java method that starts a process with processbuilder, outputs its output pipeline to a byte array, and then …… -
Java: non heap memory analysis
The problem we have is that our non heap memory has been growing So we have to restart our Jee (java8) – webapp every …… -
Multithreading – operations in a separate TThread block GUI thread
I use this tutorial http://delphi.about.com/od/kbthread/a/thread-gui.htm Creates a class that uses the tdownloadurl to…… -
Java – determines whether the list number is continuous
I work in Java I have an unordered list of 5 numbers, ranging from 0 to 100, without repetition I want to check whethe……