Recent questions tagged java

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java - Parameterized Selenium Tests in Parallel with TestNG

First of all, sorry for my english, it's not so perfect :) So I'm facing with the following problem: ... threads? Thanks in advance! Peter 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 - Detect on/off Key Press Android

How can I detect the power button or lock screen button being pressed? When my game is paused in this way, ... pause a thread when it happens. 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 - Log4j doesn't log anything under JBoss 6 EAP

I saw several questions on the topic, but since they are rather related to errors I don't think this ... Any help greatly appreciated, 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 - Prevent duplicate entries in arraylist

Say I create some object class like so public class thing { private String name; private Integer num; public ... provide some guidance on this? 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 there a max number items while generating drop down list in Excel using Apache POI?

I am trying to add a drop down list for one cell using Apache POI. The drop down list contains 302 Strings. I always ... ; stream.close(); } } } 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 access online mysql database in android?

I have created an online database about the restaurants and I need to access this database through my android application, ... not how to do 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 - PrimeFaces calendar accepts invalid dates as input

The problem I am having is with the PrimesFaces 3.4.1 calendar. When using the popup date picker activated ... causing me issues for weeks! 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 - What is the most efficient selector to use with findElement()?

When working with Selenium web testing, there are a few ways to identify WebElements. In my experience, I have used the ... >Here's a div</div> 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 - Can I use two different look and feels in the same Swing application?

I'm using the Flamingo ribbon and the Substance Office 2007 look and feel. Of course now every control has this ... or a proxy look and feel? 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 - What complexity are operations on BigInteger?

What complexity are the methods multiply, divide and pow in BigInteger currently? There is no mention of the ... (nor anywhere else). 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 Count Number of Instances of a Class

Can anyone tell me how to count the number of instances of a class? Here's my code public class Bicycle { // ... it please, thanks in advance :) 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 - Basic HTTP authentication with Jersey / Grizzly

I've written a simple REST server using JAX-RS, Jersey and Grizzly. This is how I start the server: URI ... to a Jersey / Grizzly webapp? 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 Test fails saying, Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean

Test Class:- @RunWith(SpringRunner.class) @SpringBootTest(classes = { WebsocketSourceConfiguration.class, ... Hierarchy. 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 - jpa independent custom type mapping / javax.persistence.x alternative to org.hibernate.annotations.Type and org.hibernate.annotations.TypeDef

I have a table GameCycle in a db that holds a column date of type number. The values in this column are ... a pure javax.persistence 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 - Spring - application Initialized twice?

When I starts to run my spring application my tomcat , the ContextRefreshedEvent fires twice. Please see the ... can understand my question. See Question&Answers more detail:os...

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

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181 views

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java - How to deploy portlets to Liferay?

I have faced problems in trying to install new portlets to Liferay running on Glassfish domain. I figured out ... Liferay was another story.) See Question&Answers more detail:os...

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

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208 views

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java - Fail to connect to camera service

I had my camera set to this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); and it works fine but if I ... app in Portrait? 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 - Where do @Context objects come from

I've been searching everywhere, but can't seem to find a clear answer... What is the mechanism ... output, @Context LeaseManager leaseManager ) See Question&Answers more detail:os...

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

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162 views

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java - Pretty URLs in Google App Engine

I want to pass a parameter 'A1B2C3' to a GWT application based on Google App Engine. I do it like www.example. ... Engine and GWT. All 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 - OnClickListener in Android Studio

I'm attempting to develop and app using the new Android Studio, but I keep receiving major errors on my OnClickListeners ... ); return true; } } See Question&Answers more detail:os...

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

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219 views

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java - why can't we assign weaker privilege in subclass

I have a class which has a method whose access specifier by default is public. Now, I would like to extend this ... println("Subclass.foo"); } } See Question&Answers more detail:os...

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

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130 views

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java - How to create .docx files and .xlsx files on Android

I have a very simple question: How to create .docx and .xlsx files on Android. Before someone marks this as ... such that they can be viewed? See Question&Answers more detail:os...

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

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227 views

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java - Handling non-OSGi dependencies when integrating Maven, Tycho and Eclipse

I have a bunch of Eclipse-based plugins that I have been migrating to Maven/Tycho. Most of these plugins ... Nexus and/or p2 repositories? 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 - Eclipse - showing full call stack (like when it hits breakpoint in debugger) without putting in breakpoints?

I'm working with a legacy Java app that is new to me so one way to figure out how it works and find ... I'm not finding the correct answer. 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 - dependency inject servlet listener

In my Stripes app I define the following class: MyServletListener implements ServletContextListener, HttpSessionListener, ... this possible? See Question&Answers more detail:os...

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

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231 views

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java - Geotools cannot find HSQL EPSG DB, throws error: NoSuchAuthorityCodeException

I am running Geotools inside of Apache Storm, and having a heck of a time with geotools ... implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">...

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

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167 views

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java - Get MavenProject from just the POM.xml - pom parser?

Is it possible to get an instance of org.apache.maven.project.MavenProject or some other object form of the POM ... xml file? Thanks in advance. See Question&Answers more detail:os...

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

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310 views

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java - Defining one global UncaughtExceptionHandler for all threads of my application

I want to define one application level UncaughtExceptionHandler in my Java application that is called if an ... 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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