Recent questions tagged JAVA

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java - Problems with connecting to Facebook XMMP MD5-DIGEST

I have tried all the things to connect Facebook with XMPP but i have faced only one error all the time which ... XMPP then please Help me ASAP 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 - Retrieving Data from JDBC Database into Jtable

Hi I have successfully linked my jTable to JDBC database. However, I am having trouble retrieving them. I want ... rs.getString("dueDate"); } 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 does my icon handling code throw a NullPointerException?

I have added an image for my button,but when I run that frame this exception will be thrown .why?please help ... null,why? please help me. 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 Send a Text message and Image through Whatsapp from Own Application with help of Intent in Android?

I am not able to send both text message and image through whatsapp . Either , I am able to start that ... help of Intent in Android ? 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 configure SQLite in Tomcat 6?

Can you please provide the steps on how to use sqlite in tomcat 6? I am using Xerial sqlite jdbc driver. In my ... with in WEB-INF? Thanks, Deep See Question&Answers more detail:os...

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

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375 views

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java - Launch android app on screen unlock

I want to build a lock screen replacement application. Is there any way to create a listener/service that would ... wakes up/unlocks 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 - Calling methods in two different ReactiveMongoRepository's in a transaction using Spring Data MongoDB?

When using the reactive programming model with Spring Data MongoDB it's possible to execute transactions like this: Mono< ... do you do 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 - Sending mail with embedded URL in Struts 2

For a project for my company, I have to send emails containing embedded URLs, which the user will be prompted to ... true, true, true, true); 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 - Jsch - One Session Multiple Channels

I managed to execute a single command through ssh with Jsch but when i try to execute a second command it fails ... second doesnt. 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 - File Upload via HTTP PUT Request

Does anyone have any idea of any products or libraries like Apache Commons FileUpload that will deal with ... ://localhost:8080/mytargetfilename See Question&Answers more detail:os...

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

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333 views

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java - How to disable the default painting behaviour of wheel scroll event on JScrollPane

I recently purchased the book Filthy Rich Clients and i found it really useful and fun. Building on one example from the ... 0, 0, null); } } 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 - Include filename/line number corresponding to System.out.print statements in Eclipse Console

Is there a way to show line numbers in the Eclipse console? My intent here is to show in the Eclipse ... to the function that printed 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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313 views

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java - Global Event Listeners with AWTEventListener & how to pull MouseEvent's from it

The following question is based on the following information. Scroll down to see the actual question - it ... Java check mouse button state See Question&Answers more detail:os...

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

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581 views

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java - How to implement with hibernate criteria Object the select query with inner join

I'm new with Hibernate and Criteria Query. So I have implemented the query in HQL: select A.mobilephone B ... it with Hibernate Criteria Object? See Question&Answers more detail:os...

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

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270 views

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java - How to display a color selector when clicking a button?

I'm making a program that draws some shapes and fills them with color. I need to change the 'line' color, ... a color selector like in Paint. See Question&Answers more detail:os...

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

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267 views

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java - The operator is undefined

I just tried to make a simple class that lets me figure out the length of a file: public class Size { long ... why it's blocking the condition? See Question&Answers more detail:os...

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

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234 views

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java - Precedence of security-constraint over filters in Servlets

While studying about security-constraints and filters in servlets, I made the following declarations in the web.xml ... over the filter ? See Question&Answers more detail:os...

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

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341 views

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java - JTable: Buttons in Custom Panel in Cell

I want to be able to have a JPanel in a cell with a JButton that does some work when clicked. I looked ... this question needs some work. ;) See Question&Answers more detail:os...

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

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357 views

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java - Add page as layer from separate pdf(different page size) using pdfbox

How can I add a page from external pdf doc to destination pdf if pages have different sizes? Here is what I'd like ... (); What I'm doing wrong? 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 - JPA many-to-many relationship causing infinite recursion and stack overflow error

I'm working on an EclipseLink project in which one user can "follow" another as can be done on social media ... the stack trace. Any hints? See Question&Answers more detail:os...

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

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264 views

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java - Android run bash command in app

Hi i'm developing an application which requires me to run some bash code is there a way i can hard code the ... you for any help with my issue See Question&Answers more detail:os...

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

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464 views

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java - How to get query plan information from Postgres into JDBC

I want to capture the cost numbers from the query plan you get when you 'Explain' a query. Is there any ... Java ResultSet(or similar object)? See Question&Answers more detail:os...

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

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331 views

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java - accessing command-line arguments from OSGi bundle

I have an application that runs as a collection of OSGi bundles. I start it using a very small wrapper that ... away with the custom launcher? See Question&Answers more detail:os...

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

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230 views

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java - Terminate a thread which is running a native code

In my application I have a wrapper over some native code, which is called via JNI bridge. This native code ... pure-Java solution / workaround. See Question&Answers more detail:os...

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

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250 views

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java - Line crosses Rectangle - how to find the cross points?

I'm drawing a rectangle onto a canvas and a line from the center of the rectangle to some random point in the ... how could I get this point? See Question&Answers more detail:os...

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

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256 views

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java - Get class of generic

My class starts with public abstract class LastActionHero<H extends Hero>(){ Now somewhere in the code I want to ... the Class of the generic? See Question&Answers more detail:os...

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

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243 views

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java - Why might one also use a blank constructor?

I was reading some Java recently and came across something (an idiom?) new to me: in the program, classes ... that constructor defined at all? See Question&Answers more detail:os...

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

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477 views

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java - Google Translator API and many translation for one word

I am using google-api-translate-java-0.92.jar. Translate.setHttpReferrer("http://translate.google.com/"); ... multiple translation from my 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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