Recent questions tagged java

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java - How to send email with link to open Android application

I have created some code that emails an html email to a given address. The email contains a link like the ... crystalcloud" /> </intent-filter> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Smartcard terminal removal : SCARD_E_NO_SERVICE CardException

I am working on an Java application which uses smartcardio to work with smartcard. It must be possible to have ... smartcardio on Windows 8 ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - No autodetection of JPA Entities in maven-verify

If I put the persistence.xml in the src/test/META-INF folder, autodetection the Entities does not work ... /persistence-unit> </persistence> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Process Memory Vs Heap -- JVM

We have a web application deployed on a tomcat server. There are certain scheduled jobs which we run, after ... suggestions would of great help? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - org.hibernate.LazyInitializationException: How to properly use Hibernate's lazy loading feature

I got some trouble loading a list of objects from my database using Hibernate and lazy=true mode. Hope ... -factory> </hibernate-configuration> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - CookieManager for multiple threads

I am trying to make multiple connections via threads. But every connection seems to override the other's ... CookieHandler.setDefault(manager); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot Maven Plugin - No BOOT-INF directory

Between version 1.3.8.RELEASE of the spring-boot-maven-plugin and version 1.4.0.RELEASE - there has ... is greatly appreciated Thanks Damien See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Circle and Polygon Collision with Libgdx

Is there a way in Libgdx to verify a collision between a Polygon and a Circle? I saw the Intersector class but ... way to do that using Libgdx? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - In a servlet mapping in Spring MVC how do I map the root of a url pattern directory?

<servlet-mapping> <servlet-name>testServlet</servlet-name> <url-pattern>/test/*</url-pattern> </servlet-mapping> If ... not what I would want). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can we dynamically allocate and grow an array

I am working on a project, but I cannot use any existing java data structures (ie, ArraysList, trees, etc) I ... of reinvent the wheel)? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ChromeDriver(Capabilities capabilities) is deprecated

I use ChromeDriver 2.33 with WebDriver 3.6.0 and try to set default directory for file download. Map< ... passed to the chromedriver service. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Javafx Not on fx application thread when using timer

I'm using this import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javafx.application. ... 't see what's wrong See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Parse Android Volley JSONArray response

I'm sending a JSONArray GET request with Volley, and it's returning the specified JSON array. Here's my Request ... not sure how to implement. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Saving bidirectional ManyToMany

I have two entity classes annotated in the following way @Entity class A { @ManyToMany(mappedBy="A", cascade= ... find the correct combination. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Passing ArrayList from servlet to JSP

I am trying to pass ArrayList which contains object from servlet to JSP. But Servlet file: request.setAttribute("servletName" ... () ); } %> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java 8 - How to get the index and max value of an array in one shot?

Given a list of integer elements, how to get the max value and it's index in one shot. If there is more ... how we can do it without sorting. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Sending redirect to another servlet/JSP without loosing the request parameters.

How do i specify a redirection to another servlet, in the doPost() method of a servlet. at the moment I'm ... products page after logging in :/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Read out incoming certificate in Tomcat

i use a tomcat http connector with client-authentification. If a client start a new connection to my server and ... If yes, how? thanks adi See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Apache Avro: map uses CharSequence as key

I am using Apache Avro. My schema has map type: {"name": "MyData", "type" : {"type": "map", " ... it is inconvenient to use CharSequence as key. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to troubleshoot SSL "bad record MAC" exception

I am using an Apache CXF client, running in a Windows Java 1.6.0_29-b11 VM to connect to an IBM mainframe ... I isolate and fix this behavior? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - FXMLLoader how to access the components by FXID?

I'm trying to figure out how to work with JavaFx. I built the application interface in Scene Builder. But I can not ... fx:id? I am in despair. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can I set the classloader policy for WebSphere in the ibm-web-bnd.xmi file?

I have a JEE application that runs on WAS 6. It needs to have the class loader order setting to "Classes ... reasons, this would greatly help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Program Design - Package by Feature vs. Layer or Both?

I am in the design stage of a web application that allows users to create requests of work and the ... understanding of this totally wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Running multiple JVMs

How do you run multiple JVMs on a single machine? How do you call methods in a different JVM? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - HotSpot JIT inlining strategy: top-down or down-top

Suppose we have 3 methods: method 2 is called from method 1, method 3 is called from method 2. Methods 2 and ... methods: top-down or down-top? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - A persistent connection with JDBC to MySQL

I have an application that connects to MySQL using JDBC. There are cases where the JDBC connection lies idle for ... the best solution for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What and when should I specify setFetchSize()?

I see a lot of "best practices" guides for JDBC/MySQL that tells me to specify setFetchSize(). However, I have no ... be changed at any time"?) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why does BindingResult have to follow @Valid?

I was struggling to get my Spring MVC validation to return to the page submitted page when I had errors. I ... What is the cause of this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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