Recent questions tagged java

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java - How to make a diamond using nested for loops

So I was assigned to make a diamond with asterisks in Java and I'm really stumped. Here's what I've come up with so ... .out.println("*"); } } } 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 PrinterJob not printing to fit paper

i am stuck currently when printing a jpeg file with the default printer. In my program when i select an ... another user at Borderless printing 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 know Geographic location from an IP address

I have created a login application in jsp/servlet in my web project and I want to know about the geographic ... 9.134 and location: Canada. 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 - Drools 6: add rules to a running KieSession

till now I couldn't figure out the best way (meaning with minimal overhead) to add rules to a running KieSession ... guys have an idea? 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 - cutting a wave file

How can i cut a .wave file using java ? What i want is : when the user presses the button labeled cut it should ... method ? 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 - Tuning Tomcat memory and cpu consumption

I have a Java web application that works a lot with file conventions. I am using Tomcat 6 as my servlet ... container. What do you suggest? 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 AOP - get old field value before calling the setter

Dear all I am curently using Spring AOP (v4) and AspectJ with load-time-weaver. I am looking currently for a ... this? Thank you 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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java - Using SIFT for Augmented Reality

I've come across MANY AR libraries/SDKs/APIs, all of them are marker-based, until I found this video, from ... use of any information you give. 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 - Using a JPanel with a null layout

So I have a class called CalendarPanel that extends JPanel. It uses a null layout. How would I use ... without having to refactor 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 select element in multi select box in selenium webdriver

Currently working on Selenium WebDriver and using Java.. I want to know to select values in Multi-select box. The ... ">None</option> </select> 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 I can Find Path of resources *.jar in JNLP?

i download a java app webstart.JNLP . After i opened in notepad, i found it listed some resource as below, i ... href="secprops-prodny.jar"/> 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 - Error creating bean with name 'defaultServletHandlerMapping

This is a spring (with spring security) + java + maven application on eclipse. I encounter the following ... appreciated. 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 - Retrieve values from JDBC and use JSTL tags to call the methods

Below is the code which i have written to retrieve values from the database (I have added the whole code so it ... help me. 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 - Guava Optional as method argument for optional parameters

Recently I had a discussion with my teammate on use of Guava Optional for optional parameters in a method. ... for this scenario? 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 - How to override Spring Cloud Eureka default discovery client default ssl context?

I'm trying to enable https for spring cloud eureka server. Yaml config: server: port: 8100 ssl: ... client in eureka discovery client? 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 .How to make a line of summation(total row) in the bottom of the table?

How to make a line of summation in the bottom of the table(TreeTableView - JavaFX or ... apName")); treeLastDateCol.setCellValueFactory(new TreeItemPropertyValueFactory<>("...

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

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java - Hibernate 'Inverse' in mapping file

Can someone explain the use of inverse in the xml mapping file, I am reading the tutorial but failing to ... in the mapping file?? 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 : Implement Broadcast Receiver for ClipboardManager

I want to implement a listener which will listen if some copied any thing from any application. I heard about ... which can listen Copy action. 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 - Convert File with known encoding to UTF-8

I need to convert text file to the String, which, finally, I should put as an input parameter (type ... the characters inside are corrupted. 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 - Convert text to image file on Android

I have a text document (.txt). I want to convert it to an image (.png or .jpg). For example, black ... . How can I do that programmatically? 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 - System.setProperty used by a thread impacts other thread in communication to external network elements. How to resolve it?

In my application, I have two threads. Each thread communicates to different external entities. Let us say T1 - ... How to resolve 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 - Vertx scaling the number of instances per thread

Vert.x is a tool-kit for building reactive applications on the JVM. I want to use vertx for JVM-based auto- ... 'm grateful in advance for 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 - Selecting from Multiple Tables in Spring Data

I need to write a select query fetching data from multiple tables in Spring Data Repository layer. I know we ... rating_id and us.user_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 - Calling System.exit() in Servlet's destroy() method

This is a follow up to my earlier question. Tomcat 5.0.28 had a bug where the Servlet's destroy() method ... destroy() method of the Servlet. 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 Button Styling Programmatically

How do you programmatically add/remove style to an android button? Is it possible to apply the styling at ... on runtime/using java code. See Question&Answers more detail:os...

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

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169 views

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java - Android Rest Client

I found so many samples for requesting a REST API, but all together are confusing, can some one please explain ... the correct way. 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 - How to get the data in Struts 1 from AngularJS POST

I'm using Struts1.2 with AngularJS to POST some data and want to get the data in Java. I'm able to ... $scope.items Screen shot of third try: 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 - Configure SQL Server connection pool on Tomcat

I've been trying to configure a connection pool for a SQL Server 2012 database. I currently have Informix and ... , but the problem persists. See Question&Answers more detail:os...

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

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