Recent questions tagged Java

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java - cordova plugin add external .aar file (not .jar)

I am writing a plugin to use the native android SDK of filepicker https://github.com/Ink/filepicker-android. On ... ? Thank you for your 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 - How do I paint Swing Components to a PDF file with iText?

I would like to print my Swing JComponent via iText to pdf. JComponent com = new JPanel(); com.add( new ... know how to 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 - I am unable to use Reddit's APIs to log in

I'm trying to use the Reddit API to do some stuff. I have everything working but changing pages and logging in. ... my project - I'm learning) 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 - Use Mockito 2.0.7 to mock lambda expressions

I want to mock a query provided on my repository like this: @Test public void GetByEmailSuccessful() { // setup ... I can solve my 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 - Separator in a Wicket DropDownChoice

Is there some obvious way to add a separator to the list of options in a Wicket DropDownChoice? In my case I'm ... , "favProduce"), foods) ); 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 - Acquiring a country's currency code

I have a problem getting a country's currency code. My task is to get the user's location, find out what ... this be solved? 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 - Optimizing batch inserts, SQLite

I am playing with different buffer sizes to be inserted into the local SQLite DB and have found that it ... above be further optimized please? 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 xml and json root element

I have a service which returns objects in JSON and XML format. http://localhost:8091/apiN/xml/2 XML Result ... ); return objectMapper; } } 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 - Is there any relation between the class that implements interface and that interface?

Consider this class hierarchy: Book extends Goods Book implements Taxable As we know, there is a relationship between a ... is not a class! 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 - Parse json date string in android

I get a json string with number of milliseconds after 1970 from the server in my android app. Looks like this: / ... The server is .NET. 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 include a jsp inside another jsp using javascript

I have a button logout. Once logout is clicked I need to show another page. How can I do this using ... ('ConfirmationPopup.jsp'); }); 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 - Build a JNI DLL using MINGW

I am trying to create a DLL that will call Qt (currently I can't use Jambi for the functionality I ... Qt2010.05-rc1qtlib" -lQtGuid4 -lQtCored4 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 - Eclipse android sdk bundle can't open Android SDK Manager

I downloaded new Android and Eclipse bundle in my new notebook (Window 7 64 bit) then I open my old files that I ... exe How can i fix 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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309 views

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java - PreferenceScreen class not found

I have this in preferences.xml <?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android=" ... preferences, this really lost 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 use ActionListener on a ComboBox to give a variable a value

Im using BlueJ and I have run into problem. I have a combo box with 3 options. Each option is a string. The three ... g) { super.paint(g); } } See Question&Answers more detail:...

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

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741 views

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java - Disable TreeItem's default expand/collapse on double click JavaFX 2.2

I am working on a JavaFX 2.2 project and i want to set custom handling of the mouse (double) click event on ... behavior, but how i disable 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 - Error: The constructor MainActivity.ScreenSlidePagerAdapter(FragmentManager) is undefined

I tried to implement an android project in http://developer.android.com/training/animation/screen-slide.html ... (FragmentManager) is undefined 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 - MP4 unsupported in JavaFX?

So I've recently started working with JavaFX to try and insert video and audio into my java programs. Audio has ... it with my final 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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466 views

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java - Cannot serialize LocalDate in Mongodb

I am using the java 8 java.time.LocalDate to parse around dates. But trying to insert a LocalDate object to ... java 1.8.0_25 For completeness. See Question&Answers more detail:os...

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

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346 views

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java - Getting cookie in JSP

I can get cookie in JSP like this: Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie ... ></div> Thx for your answers! See Question&Answers more detail:os...

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

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381 views

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java - android - getting nullpointerexception for no specific reason

I am working on an android project and as far as I know, I don't make any specific mistakes in my code ... Attempt to get length of null array See Question&Answers more detail:os...

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

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392 views

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java - I can't load the JDBC driver for MySQL

I've been trying to load the JDBC MySQL connector with the following code: import java.sql.*; public ... help would be greatly 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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275 views

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java - Can I make an Android library which contains resource files?

I want to make an Android library which contains drawable resource files. But I wonder if the library's resource ... to make such a library? See Question&Answers more detail:os...

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

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328 views

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java - Find all possible pairs in an array

Its when I try to do stuff like this I realise I really need to go to university! Anyway I have an array of ... I cant find the answer for 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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418 views

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java - No appenders could be found for logger (org.apache.http.client.protocol.RequestAddCookies)

I am trying to run a selenium webdriver code on Firefoxdriver but at the run time i am getting an exception ... (); } }//Scrren_1_Monster See Question&Answers more detail:os...

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

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303 views

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java - Add custom beans to Spring context

I have some classes, with a custom annotation, that shouldn't be instantiated (abstract class, and it's ... on Spring context initialization? See Question&Answers more detail:os...

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

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374 views

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java - How are references implemented in Oracle's JVM?

While searching for an explanation on how a reference variable is implemented in Java I came across this question: ... how is it structured?? 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 properly set utf8 encoding with jdbc and MySQL?

JDBC and MySQL work just fine in my project except when it comes down to accented characters. This is the URL I ... there a way to 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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