Java 归档 - Page 330 of 655

Java – Maven: in POM Configuring parallel builds in XML

Maven has the ability to perform parallel builds: mvn -T 4 clean install # Builds with 4 threads mvn -T 1C clean insta……

Java

2020-02-04

Java – JPA with hibernate 5: create entitymanagerfactory programmatically

This problem is specifically about programmatically creating a JPA entitymanagerfactory supported by hibernate 5, whic……

Java

2020-02-04

Java – why does hibernate generate inserts and updates for the onetomany map

I try to use a small example to understand the one - to - many mapping in hibernate My product has a set of part's. Th……

Java

2020-02-04

JavaFX – change the black background bar when resizing the window

Everyone knows the problem If you quickly resize a JavaFX application, some areas will be painted black due to recalcu……

Java

2020-02-04

Java game Hitbox detection and fillet

I am studying a simple 2D game, including Java, swing and no framework I have a rectangular player where users can mov……

Java

2020-02-04

Attach javapoet / javawriter to an existing class

I've been experimenting with code generation in annotation processors Consider the following code and add a constructo……

Java

2020-02-04

Java – find all possible enum combinations

Is there an effective way to find all possible combinations between multiple enumerations in Java? Consider the follow……

Java

2020-02-04

Java – use list Member definition Abstract generic class

Even trying to propose a clean title is a challenge The basic idea is to define two superclasses: one for "child" item……

Java

2020-02-04

Java – bhsm servlet does not allow the browser to cache user names

I have a requirement that the value should not be cached in the server, and the browser should not be cached as a cook……

Java

2020-02-04

Java – implement interface comparator

Assuming I have a simple interface, I want to compare based on some functions: interface Organism extends Comparable&l……

Java

2020-02-04

Java – gradle without main class?

Can I use gradle without specifying the main class? I want to create a library and use gradle to manage my dependencie……

Java

2020-02-04

By using Java util. Date may have underflow errors

This Code: package test; import java.util.Date; public class DateUnderflow { public static void main(String[] a……

Java

2020-02-04

Java client to webrtc

Is there a library or method to get webrtc and put it into a Java application This means that the client is completely……

Java

2020-02-04

Java interprocess communication in 2015 (without boiler board)?

My use case: >Process-1 "database", load 1GB of data from the data file into memory (only 30-60 seconds) > proce……

Java

2020-02-04

Java – replace() does not work with multiple fragments

Main activities package example.antonio.activitydemo; import android.os.Bundle; import android.util.Log; import andro……

Java

2020-02-04

Java – fix thread pool thread blocking when enough tasks are submitted

I have a process that needs to calculate many small tasks in parallel, and then process the results according to the n……

Java

2020-02-04

Java – what is a native sandbox?

I found that "restricted environment with operating system enabled (native sandbox)" was added to 8u51's Java control ……

Java

2020-02-04

Java – use the copy constructor instead of object The correct method for clone deep replication

I have some code to use object Clone performs deep replication, but I'm trying to override it with a more "acceptable"……

Java

2020-02-04

Java – why does matlab control interrupt the calling thread when the agent is created?

I let my matlab control thread interrupt and found that it was interrupted the first time it ran This is because there……

Java

2020-02-04

Java – use flyingsaucer to convert HTML pages containing Arabic characters to PDF

I want to convert HTML pages containing Arabic characters into PDF files using flyingsaucer, but the generated PDF doe……

Java

2020-02-04

Java – Google play service error – the error report is hard to understand

I have released the alpha version of my app using Google play service By the way, I didn't enable Pro guard, so it's n……

Java

2020-02-04

Abstract callbacks in java reflection methods

I have a class in jar and I want to call a method However, this method has parameters of abstract class, which is the ……

Java

2020-02-04

Java – access accelerometer from JNI

I'm trying to make an Android application. I need to access the accelerometer in JNI Java code: mSensorManager = (Sens……

Java

2020-02-04

Java – why does this Scala code throw an illegalaccesserror at runtime?

I have a simple application: object Test extends App { implicit def t2mapper[X,X0 <: X,X1 <: X](t: (X0,X1)) = ……

Java

2020-02-03

Javafx8 tableview multisection returns one of the selected items to null

The tableview multi option returns one of the selected objects as null This doesn't happen every time, but when I try ……

Java

2020-02-03

Java – what is the purpose of the original getter / setter in the field?

This is explained in the documentation of the public object get (object obj) method of the field class And for public ……

Java

2020-02-03

Java – although the property is set, the canvas is not drawn correctly

I just made two drawings and tried to make one look the same as the other, but I had no luck For screenshots, the top ……

Java

2020-02-03

Java – what is the purpose of the original getter / setter in the field?

This is explained in the documentation of the public object get (object obj) method of the field class And for public ……

Java

2020-02-03

Use enumerations to represent error messages – is this a good habit?

I want to combine my error messages and content into one file and make my code as readable as possible This is my exam……

Java

2020-02-03

Converting an image to a cylinder in Java

I didn't find any examples in OpenCV to convert a flat image into a cylinder in Java. I wanted it to render the image ……

Java

2020-02-03

Java – Hibernate: automatically split tables every month

I'm working on a spring MVC application with PostgreSQL and hibernate. I have several tables with more than 100000 row……

Java

2020-02-03

Java – how to get intersections from shapes in elasticsearch

I have stored the path in elasticsearch as polygon Now that I have a circle (a point and a radius), I can check whethe……

Java

2020-02-03

搜索内容

Java – Maven: in POM Configuring parallel builds in XML

Java – JPA with hibernate 5: create entitymanagerfactory programmatically

Java – why does hibernate generate inserts and updates for the onetomany map

JavaFX – change the black background bar when resizing the window

Java game Hitbox detection and fillet

Attach javapoet / javawriter to an existing class

Java – find all possible enum combinations

Java – use list Member definition Abstract generic class

Java – bhsm servlet does not allow the browser to cache user names

Java – implement interface comparator

Java – gradle without main class?

By using Java util. Date may have underflow errors

Java client to webrtc

Java interprocess communication in 2015 (without boiler board)?

Java – replace() does not work with multiple fragments

Java – fix thread pool thread blocking when enough tasks are submitted

Java – what is a native sandbox?

Java – use the copy constructor instead of object The correct method for clone deep replication

Java – why does matlab control interrupt the calling thread when the agent is created?

Java – use flyingsaucer to convert HTML pages containing Arabic characters to PDF

Java – Google play service error – the error report is hard to understand

Abstract callbacks in java reflection methods

Java – access accelerometer from JNI

Java – why does this Scala code throw an illegalaccesserror at runtime?

Javafx8 tableview multisection returns one of the selected items to null

Java – what is the purpose of the original getter / setter in the field?

Java – although the property is set, the canvas is not drawn correctly

Java – what is the purpose of the original getter / setter in the field?

Use enumerations to represent error messages – is this a good habit?

Converting an image to a cylinder in Java

Java – Hibernate: automatically split tables every month

Java – how to get intersections from shapes in elasticsearch

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