Recent questions tagged Java

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Is there any listener in libgdx that would allow me to detect just mouse hover not pressed just hover. In ... detect mouse hover over actor? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot default properties encoding change?

I am trying to find a way to set UTF-8 encoding for properties accessed via @Value annotation from ... application.properties' breaks it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is use of AtomicInteger for indexing in Stream a legit way?

I would like to get an answer pointing out the reasons why the following idea described below on a very ... while iteration using Stream-API? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - logback with EJB3.1

I am using logback/slf4j to handle logging in my application. Everything was working perfectly until I started ... deploying on glassfish v3. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - HTTP 1.1 Pipelining

I have to implement an HTTP client in Java and for my needs it seems that the most efficient way to ... efficiency? Separate TCP connections? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - lower case of turkish character dotted i

In Java 6, System.out.println(String.valueOf('u0130').toLowerCase()); prints i (u0069), but in Java 7 ... function to use only Turkish locale. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - @ModelAttribute in a method

Imagine a code like this one: @RequestMapping(value="/users", method=RequestMethod.GET) public String list(Model ... the same controller? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring security tags in sitemesh decorator

I want to use a few tags of the spring security tag library inside the decorator file of site-mesh. However ... are not shown for some reason. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Create XML with JSF

I need to send XML to the browser with my JSF application. This XML is generated by the application. I try to ... xml ? Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why is heap divided into Eden, Survivor spaces and Old Generation?

Could you please answer me a question about JVM Garbage Collection process? Why is heap divided into Eden, Survivor ... do we need the division? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Keeping i18n resources synced

I am looking for an editor/comparator for i18n property files that would help me keep different language files ... per language per component) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Introspecting Jersey resource model Jersey 2.x

I have written my own scanner to go through my JAX-RS resources and print out the method names and paths using ... childResource); } } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - OpenCV library loaded in hadoop but not working

I am trying to use OpenCV with Hadoop. Below is my code. I am just testing if OpenCV libraries works fine with Hadoop, ... (true) ? 0 : 1; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Maven - use -source 5 or higher to enable... while building the project

I downloaded one project from our svn and now I am trying to build this using Maven (mvn clean install... my ... supported in -source 1.3** See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Writing a Servlet that checks to see if JSP's exist and forwards to another JSP if they aren't

UPDATE: To clarify a generic error catcher that catches 404's doesn't have enough granularity for me. I need to ... t know very much about them. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Does object creation of subclass create object of superclass, if yes Is it possible to access it in subclass?

My question is if we can access and use indirectly/implicitly created super class objects when we instantiate a subclass ... to subclass? } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - RestEasy - Jax-rs - Sending custom Object in response body

How do I send my custom object in a response. I just want the values printed from my object. Lets say I have ... a string to entity() method. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Best way to store data for your game? (Images, maps, and such)

I'm creating a basic 2D game (well a game engine) and I've currently been developing the file formats for my data ... for my game I'm making. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Run spring boot with jdk9 using jigsaw modules

What's wrong with this application. I thought the mix of classpath jars and module jars are valid. For all jars not ... .java:496) ... 9 more See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Display BMP in JLabel

Java can display png, jpg a some other picture formats, but i have to display a bmp file in a JLable by getting ... show BMP in Java 1.4? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot 2 Multiple Datasources initialize schema

I have a Spring Boot 2 application that's using two datasources - one Oracle and one H2. The H2 ... help would be greatly appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

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java - Generate n random numbers whose sum is m and all numbers should be greater than zero

I want to generate 9 non zero random numbers whose sum is 250. I have tried following code it gives me 9 ... my code or any other solution? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Office 365 XOAUTH2 for IMAP and SMTP Authentication fails

Recently the support for OAuth 2.0 for IMAP and SMTP in the Exchange Online has been announced. Following the guide ... eyJ0eXAiOiJKV1....", "refresh_token": "OAQABAAAAAAAm...." }...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Javac can't find class that is in the same directory

I am trying to compile a Java file and I'm getting this error message: $ javac -cp "bc-j- ... .java BrightcoveVideoQueryPOI.java json-org lib See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Comparing similar xml files with XmlUnit with unordered tags (same tag name with different attributes)

I am trying successfully XmlUnit, and is very helpful in my job. Now, I have a little problem, that I don ... /Monitor> Is there any workaround? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - GSON parsing dynamic JSON field

I can't seem to figure this out. I've looked at a couple SO posts (here, and here), and my situation is ... object, not a string type. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - compare Cron Expression with current time

I am designing a scheduler and using quartz library. I want to check whether cron expression time refer to the ... with current time in java. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to detect right-click event for Mac OS

For windows and linux I am able to detect right click. But for mac I donot know how to detect right-click. ... Mac OS Thanks Sunil KUmar Sahoo See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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