Recent questions tagged java

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java - Where can I find the Xlint option in Netbeans?

I get an error Recompile with -Xlint:unchecked for details. in Netbeans. Where can I find the option to uncheck? 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 to a static variable in an instance method, why is this a bad practice?

I am a little confused here with this findbugs warning in eclipse. public class MyClass { public static String ... from a properties file. 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 - merge many application.properties files instead of replace on Spring Boot?

i am using Spring Booot MVC 1.2.2.RELEASE. I have my multi-module project which is structured like this: example- ... 7728 --- [ost-startStop-1] o.s.web.filter.HiddenHttpMethodF...

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

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java - How to parse ZonedDateTime with default zone?

How to parse ZoneDateTime from string that doesn't contain zone and others fields? Here is test in Spock to ... and zone setted to default? 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 - Gradle: How to configure multiproject setup with side-by-side projects

We have an old project that is set up like this: . ├── customizationProject │?? ├── ejb │?? └── ... be executed accross all the projects? 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 - javax.naming.NameNotFoundException: Name is not bound in this Context. Unable to find

I'm trying to find out why my web application throws a javax.naming.NameNotFoundException: Name [flexeraDS] is ... any suggestion. Thank you 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 - Method returning default browser as a String?

Is there a method that will return a user's default browser as a String? Example of what I am looking for: System ... ()); // prints "Chrome" 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 - Hadoop gzip compressed files

I am new to hadoop and trying to process wikipedia dump. It's a 6.7 GB gzip compressed xml file. I read ... -files.html 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 - Tomcat is not adding trailing slash to web app's context

I'd like to have Tomcat automatically add a trailing slash to my app's context if the url is entered without ... Using Tomcat 7 with Spring 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 - HttpURLConnection timeout defaults

I seem to be having trouble with some tcp requests getting "stuck" at times, like it is waiting for some ... odd "hung" situation by default? 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 - Extending ArrayAdapter in android

I need to override a getFilter() method from the class ArrayAdapter and i found the source code from here in ... update is not taking place. 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 - IllegalAnnotationsException: Class has two properties of same name

I am trying to develop a IBM JAX_WS web service using RSA 7.5 and Websphere 7 server. Since I am a beginner, ... the WSDL in SOAP UI. Regards, 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 - JAI and ImageIO for 64 bit Windows

i searched JAI and ImageIO library for 64 bit windows, but i didn't find any version of these. Last 64 bit win ... ? How? thanks a lot... See Question&Answers more detail:os...

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

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331 views

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java - How to inject config properties in Spring Boot to Spring Retry annotation?

In spring boot application, I define some config properties in yaml file as below. my.app.maxAttempts = 10 my ... =@Backoff(value = 500L)) 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 - Getting a substring from a string after a particular word

I have below String. ABC Results for draw no 2888 I would like to extract 2888 from here. That means, I need ... . How could I achieve 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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361 views

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java - Activities loading xml layout dynamically in android

Is it possible to load an activity's xml layout file from a resource stored in the device (in a db or ... device from a web service. 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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149 views

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java - Android studio emulator fails to start with memory limit related error message

I'm trying to run my first android studio project but I get this error message and the emulator doesn't start ... 'pc.ram': Invalid argument See Question&Answers more detail:os...

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

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257 views

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java - What JAXB needs a public no-arg constructor for?

What does JAXB need a public no-arg constructor for, during marshalling? Marshaller msh = ctx.createMarshaller() ... ? To construct what? 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 can I not assign a method reference directly to a variable of Object type?

Simple question about java-8 syntax. Why does JLS-8 restrict such expressions like: Object of_ref = Stream::of; // ... of_ref; // compiles ok ? See Question&Answers more detail:os...

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

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297 views

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java - iText Image Resize

I have a watermark that I would like to put into my pdf. The watermark is a .bmp image, and ... well iText handles different image extensions. See Question&Answers more detail:os...

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

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411 views

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java - Weblogic datasource disappears from JNDI tree

We are using weblogic version 12C. Steps to reproduce the issue: - Create the datasource. Deploy the application ... some solution for 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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632 views

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java - Can a @ManyToOne JPA relation be null?

I have a table that has foreign key of another table (many to one relationship) but i want it to be ... to get the ManyToOne accept null? See Question&Answers more detail:os...

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

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225 views

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java - How do I create a primitive two-dimensional (2d) array of doubles in Clojure?

A Java API I am Clojure interoping with requires that I pass it a 2d array of doubles; double[][]. How do I ... Java return type of double[][]. 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 a JUnit testmethod have a argument?

import java.util.regex.Pattern; public class TestUI { private static Pattern p = Pattern.compile("^[A-Za-z0-9 ... a test =method with argument? 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 get automatic table creation working in spring / hibernate / jpa?

I can't get automatic table creation working in spring when using hibernate / jpa. Here are my config files: <?xml ... ? Thanks for any 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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284 views

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java - Activity orientation changes automatically on Android

I'm developing a mobile application based on Android with minSdkVersion=15. I would like to support ... /giacmarangoni/Android-Orientation-Test See Question&Answers more detail:os...

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

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145 views

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java - Does Amazon S3 have a connection pool?

I ever used the code public static AmazonS3Client s3 = null; ... BasicAWSCredentials c = new BasicAWSCredentials(" ... pool? I am confused. See Question&Answers more detail:os...

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

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1.1k views

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java - Maven: JAR will be empty - no content was marked for inclusion

I have a minor problem with maven. When I run the command mvn package I get the following warning: [WARNING] JAR ... plugin> </plugins> </build> See Question&Answers more detail:os...

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

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