Recent questions tagged JAVA

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java - Deploy Spring Boot app in Weblogic

I'm having a trouble deploying a Spring boot application in webLogic 12C. 10.4.4 403 Forbidden The server ... someone can help with that. 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 customized method parameter binding

I'm looking for a way to customize the default Spring MVC parameter binding. Take this method as an example: ... What's the best way? 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 Compression Does Not Add a Content-Encoding: gzip in the Header

I am using Tomcat to compress my HTML content like this: <Connector port="8080" maxHttpHeaderSize="8192" maxProcessors ... gzip" in the header? 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 - 256bit AES/CBC/PKCS5Padding with Bouncy Castle

I am having trouble mapping the following JDK JCE encryption code to Bouncy Castles Light-weight API: public ... using base64 or similar. 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 - Android: Vertical ListView with overlapped rows

How to create listview like this in android 1.6 or 2 (because of renderscript, which works only in 3 or later ... work on almost all androids): 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 an excutable jar in IntelliJ IDEA

I am using IntelliJ IDEA 12.1.3. I have one module and I am trying to convert it into a jar as per the steps ... , but it has Main-Class in src? 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 tableview colors

i need create JavaFx TableView with multicolor rows (color1 for low priority, color2 for medium priority etc.). I have ... . How can i do that? 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 example of annotation preprocessing and generation of classes in same compile process?

Does anyone have a clean example of a maven project preprocessing class annotations at compile time with subsequent ... such a 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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java - JavaMail: Keeping IMAPFolder.idle() alive

I am making a program that needs to monitor a Gmail account for new messages, and in order to get them ASAP ... /better way? 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 - Grouping items by date

I have items in my list and the items have a field, which shows the creation date of the item. and I ... of a solution other than iteration. 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 - learning Spring's @RequestBody and @RequestParam

I'm editing a web project that uses Spring and I need to adding some of Spring's annotations. Two of the ... . Could anyone provide an example? 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 design global distributed transaction(none database)? Can JTA use for none db transaction?

I think this is a fairly common question: how to put my business logic in a global transaction in ... known protocol for distributed system. 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 - Oracle doesn't remove cursors after closing result set

Note: we reuse single connection. ************************************************ ... { System.out.println(query); ex.printStackTrace(); } 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 - Active Directory Authentication using Spring Security 3.2, Spring Ldap 2.0 and JavaConfig

I'm writing a web application that requires users to login. My company has an Active Directory server that I'd like ... too. I just ignored 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 - How to use -XX:+UnlockDiagnosticVMOptions -XX:CompileCommand=print option with JVM HotSpot

I 'm trying to use -XX:+UnlockDiagnosticVMOptions -XX:CompileCommand=print,*MyClass.myMethod command lines as described ... and the JVM HotSpot? 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 generate JNI header file in Eclipse

I am using Eclipse to generate a JNI header file. I looked in program filesjavajre6in and found a lot of .exe ... to C libraries. 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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java - Jackson deserialization on multiple types

I have an abstract class called Instance and then two implementations of that, UserInstance and HardwareInstance. The ... to learn. 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 - Method Area and PermGen

I was trying to understand the memory structure of HotSpot JVM and got confused with the two terms "Method Area" ... two memory areas are same? 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 - Multiple converters with Retrofit 2

I have a HATEOAS (HAL) REST service and managed to talk to it with the code below (using halarious ... to com.example.retrofit.LoginResponse 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 Exactly is Hash Collision

Hash Collision or Hashing Collision in HashMap is not a new topic and I've come across several blogs and ... or all of these questions. 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 - Adding org.glassfish.jersey.archetypes in eclipse

I am trying to create a maven project in eclipse. I am trying create a archetype but getting the below ... jersey-quickstart-webapp:pom:2.16 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 - Examples of forcing freeing of native memory direct ByteBuffer has allocated, using sun.misc.Unsafe?

JDK provides abillity to allocate so-called direct ByteBuffers, where memory is allocate outside of Java heap. This ... idea. Thanks everyon! 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 REST @RequestParam not being Validated

I have tried a number of examples from the net and cannot get Spring to validate my query string parameter. It ... /my/1?myparam=1,bob 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 - Android record exists() in database?

I am looking to the fastest and the correct way to check if a record exists in the database: public boolean ... you see any problem with 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 - What are some of the real world example where JPA2 Criteria API is more preferable?

I have taken a look at JPA 2.0 Criteria API, but I found it to be too cumbersome unlike Hibernate Criteria. ... JPA-QL? Thanks for your advise. 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 - Authentication in Play 2.3.x

I'm using the Play! framework v2.3 (Java) and I want to add some user authentication to my web app, ie ... Anyone know how to do this properly? 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 - Assets folder in Android Studio Unit Test

I have a Gradle project with the following structure: project/ src/ androidTest/ java/ main/ java/ res/ AndroidManifest ... How can I fix 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 - Illegal access: this web application instance has been stopped already

I have a class which has an init-method defined in xml <bean id="appStarter" class="com.myapp.myClass" init-method= ... 't know why, 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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