Recent questions tagged JAVA

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java - invalid byte 2 of 2-byte UTF-8 sequence

I am trying to parse an XML file with <?version = 1.0, encoding = UTF-8> but ran into an error ... Does anybody know what caused this problem? 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 Eclipse Be Used To Find All Deprecated Method Calls?

Does Eclipse have a feature that lets you search a project to find all calls to deprecated methods? 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 can I set the color of android rating bar's stroke? (Not the color of the stars but the BORDER)

I am an android beginner and I want to make my custom ratingBar. Disclaimer: it's not a duplicate. because all the ... color. 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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java - @JoinFormula and @OneToMany definition - poor documentation

I have two questions concerning @JoinFormula and @OneToMany annotations: How can I limit the number of result with ... of the clause. 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 - JavaFX scene builder 2: controller class

Hi im building a JavaFX project and am using JavaFX Scene Builder 2. I wanted to link my controller to my fxml ... help me out. 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 - List deployed webapps in Apache Tomcat

I need to get a list of deployed webapps in Apache Tomcat. Also, for each webapp I need to get a list of ... webapps that aren't present there? 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 serialize null for specific class or field

I want to serialize nulls for a specific field or class. In GSON, the option serializeNulls() applies to ... fields with a specific annotation. 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 - Which method is being called after popBackStack?

I have an activity where I am calling three fragments - each depending on each other: A(ctivity) -> ... fragment after popBackStack() ? 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 Eclipse Debug "JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)"

I'm trying to debug Maven tests in Eclipse. When I launch tests with the maven option maven.surefire.debug, I ... on my classpath. Any ideas ? 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 - Enum in swagger

I'm wondering how to document enums in swagger. According to JavaDoc The dataType. See the documentation for the ... think... Any idea? See Question&Answers more detail:os...

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

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387 views

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java - $push and $set in same MongoDB update

I'm trying to use MongoDB's Java driver to make two updates ($set and $push) to a record in the ... setUpdate produce valid results. 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 - Vim: Go to Beginning/End of Next Method

Is there native functionality in Vim that allows one to move the cursor to the beginning/end of the next method? I ... t) { return t; } } 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 MVC 3 Validation - Unable to find a default provider

I get an error when trying to set up Spring MVC validation. javax.validation.ValidationException: Unable to find ... hibernate for my project? 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 - Missing sequence or table: hibernate_sequence

I am new to hibernate and postgres. Actually I am trying to map potgres database using Hibernate. This is my ... .cellphone = cellphone; } } See Question&Answers more detail:os...

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

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663 views

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java - See if field exists in class

I have a class with various variables public class myClass{ public int id; public String category; public String ... " (it does not). See Question&Answers more detail:os...

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

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147 views

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java - How to do unit test for Exceptions?

As you know, exception is thrown at the condition of abnormal scenarios. So how to analog these exceptions? I ... Does anybody have good ideas? See Question&Answers more detail:os...

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

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184 views

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java - Gradle: how to exclude some tests?

My src/test/ folder includes both unit and functional tests. The classpath of functional tests has the word cucumber, ... am using gradle 1.11. See Question&Answers more detail:os...

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

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397 views

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java - Comparing two dates using Joda time

I want to compare two dates, however I'm running into trouble. 1 date is created from a java.util.date object ... , month, date are identical)? See Question&Answers more detail:os...

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

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561 views

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java - MavenError: Failed to execute goal on project: Could not resolve dependencies In Maven Multimodule project

I am trying to create a maven multi-module project. the project is created successfully but when I am ... Hierarchy of service module. 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 verify string is empty or null

i am sure this must have been asked before in different ways - as isEmptyOrNull is so common yet people implement ... ) or any other option? See Question&Answers more detail:os...

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

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189 views

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java - OutOfMemoryError while decoding and encoding Base64 String into Bitmap

I'm trying to decode and encode a Bitmap image. On some devices it runs ... /APrrr21S+8fX+o6hfn7DfacB/Z9hz/xL7As/zHj5ix5Y9csc9a4TVl/s1Tg4PGWx15bGMkjn ufpySQB8JxnhXgk7t7K91p...

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 - Content-Length header already present

I am using the Apache HttpClient (4.1) included in Android to execute a HttpPut. I have verified that ... .java:290) Any ideas? See Question&Answers more detail:os...

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

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204 views

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java - android.annotation cannot be resolved

I'm trying to run a sample android code in eclipse, but when I try: import android.annotation.SuppressLint; I ... can help me with 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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240 views

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java - How can I deduce the AWS Account ID from available BasicAWSCredentials?

Can't seem to find this anywhere in the docs; if I am authenticated with BasicAWSCredentials, e.g. AccessKeyId and ... get the AWS Account ID? 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 disable Gradle daemon in IntelliJ Idea?

I need to disable the Gradle daemon in IntelliJ Idea, because somehow Scala plugin is not working with the ... daemon usage in IntelliJ Idea? See Question&Answers more detail:os...

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

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543 views

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java - Indirectly referenced from required .class file

I'm getting an error message when I try to build my project in eclipse: The type weblogic.utils.expressions. ... help is 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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322 views

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java - JAX-RS @PathParam How to pass a String with slashes, hyphens & equals too

I am new to JAX-RS and I am trying to use Jersey to build a simple RESTful Webservice. I have 2 questions. Please ... e2){ } return ne; } } See Question&Answers more detail:os...

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

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339 views

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java - JSpinner Value change Events

How to make the update immediately when the jSpinner value was changed. ChangeListener listener = new ChangeListener( ... anyplace to update. See Question&Answers more detail:os...

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

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