Recent questions tagged java

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java - How to add new Lookup into DefaultGazetteer programatically

I want to add new Lookup into loaded DefaultGazetteer programatically. If I add this string via file, it works perfectly ... (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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java - Sharing same model between two JComboBoxes

I have a Person [ ] with three Persons (p1,p2,p3). Person class has two attributes name and ... another JComboBox using same ComboBoxModel . 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 Result type in Interceptor

I have Struts 2 actions with different (HTML and JSON ) result types. They use common interceptor. If needed ... to forward JSON error instead. 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 - Xamarin VS2015 designer not working

I am working with xamarin for visual studio 2015. For 2 days now the designer of the layout stopped working. ... but not without the designer? 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 - Dynamically resize jframe/image or scroll

As discussed in this question (Wrap image to Jframe), i need a jframe to match the exact provided image (The ... co-ordinates. Can anybody 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 - decimal value of the number formed by concatenating the binary representations of first n natural numbers

Given a number n, find the decimal value of the number formed by concatenating the binary representations of ... Integer.parseInt(input,2); See Question&Answers more detail:os...

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

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I have below piece of code block containing loops: Row row = null; Cell cell = null; String dataVal = null; ... issue is in this block only. 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 - Project build error: Non-resolvable parent POM. Failure to transfer org.springframework.boot:spring-boot-starter-parent

Here is my pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org ... POM Maven: Non-resolvable parent POM 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 unify date format using DateTimeFormatter

I need to parse different time format into BASIC_ISO_DATE. Right now, there are 4 types of date format: ... DateTimeFormatter to 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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java Runtime.exec to run shell script

I am using Runtime.getRuntime().exec() to run a shell script from java code. The code works fine when I ... Runtime.exec(). 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 - Why are generics completely disabled when you ignore a parameter type?

As a followup to this question, first the background Given a class with this declaration: public class SomeClass<T> ... there a reason for 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 - Hibernate "PreInsertEvent.getSource()" NoSuchMethodError

I'm recieving the following error when trying to do inserts: java.lang.NoSuchMethodError : org.hibernate.event. ... anyone advise? Regards Marty 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 make a button that, when clicked, opens the %appdata% directory?

I have made a button, but I don't now how to make it open a specific directory like %appdata% when the ... the file explorer on the screen } 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 - jfreechart crashes when using Yahoo Finance Quotes

QUESTION RESOLVED: solution is changing to JFreeChart v1.0.15 I have a very peculiar problem. What I have set up ... can make note of this bug? 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 handle dragging an item from a TreeView

For an application I'm developing I have a TreeView with (my own type of) TreeItems. This is working fine, and I ... an (easy) answer to 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 - Justifying text in Android

I need to justify some text (RTL), which is a string (S1) from the server. But a TextView can't justify ... if there is a better approach? 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 specify response headers to CORS?

I am building a backend REST API in spring and my friend is building a Angular JS front end app to call my ... code 401 Any help is appreciated. 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't change row text in .docx file once row is added to table

I have the problem with the following code: XWPFTable table = <get table somehow>; CTRow firstRow = table. ... ideas why this could happen? 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.content.res.Resources$NotFoundException: Resource ID #0x7f040019

I do not know why I receive that exception in the line setContentView(R.layout.activity_main);. I have ... .NativeStart.main(Native Method)? 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 or container O(1)-ish insertion/deletion performance, with array semantics

I'm looking for a collection that offers list semantics, but also allows array semantics. Say I have ... if rebalancing invalidates iterators. 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.persistence.TransactionRequiredException: no transaction is in progress after migrating spring/hibernate version

There are lot questions on this exception, but after research I believe this is not duplicate as it relates to ... to make it work again? 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 can't find class that is placed directly under classes folder

I have the following JSP: <%@ page import="foo.*" %> <html> <body> The page count is: <%=Counter.getCount( ... caused and how can I solve 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 - Can't cast to Application with getApplication method

I have class App which contain context of my Application. But when I compiled I got an error in other class ... > </application> </manifest> 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 does Robot's getPixelColor(int x, int y) method work?

How exactly does the method getPixelColor(int x,int y) from the Robot class work? I tried this code fragment: ... How can I solve 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 - libgdx drawing arc curve

The arc function of libgdx instead of drawing a arc draws a pie segment (ie. has 2 lines connecting to the ... to the html5 canvas arc function? See Question&Answers more detail:os...

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

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925 views

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java - HttpURLConnection GET request getting 400 Bad Request

I am trying to do a GET request with some parameters in Java using HttpURLConnection. Everytime I do this however, ... the query as the output. 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 - Struts2 Wildcard Mapping - more specific one is being handled by generic one

I'm currently playing around with my Struts2 config for wildcard testing and I'm stuck with this one. <action name ... Am I misreading the doc? See Question&Answers more detail:os...

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

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619 views

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java - Bitmap/Canvas use and the NDK

I've recently found out that there is no hard limit to the amount of memory NDK code can allocate in contrast ... stage is going to work though. See Question&Answers more detail:os...

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

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