Recent questions tagged java

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java - RecyclerView takes up all screenspace

So I'm having some trouble with a RecyclerView in a layout file Here it is: <android.support.v7.widget. ... direction? Many 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 - Digital Signature SunMSCAPI provider & MS Crypto API

I want to sign file with the SunMSCAPI provider. As public key and signatures needs to be imported using MS ... //result is always false.. 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 - JAAS - fails to persist Kerberos ticket to cache file, and unable to create cache from scratch.. and other details

I'm developing a Java application that performs authentication with JAAS, should work as follows: (i) when the ticket for user ... >>>KRBError: cTime is Mon Sep 22 16:38:56 CEST...

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

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java me - Database in J2ME

I am new in J2ME. In my Application, I want to add the Multiple Records in the Record Store and also want to ... Store and how can I access 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 - Is there a new bean object created with every request in spring mvc?

I am not able to understant that only one bean object is created in spring mvc using dispatcher servlet or a ... </form:form> Please 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 - Trying to run junit test on service level of Spring WebFlow Project. Assume$AssumptionViolatedException

I am trying to run my first test with junit on a Spring Web Flow Project from within Eclipse and also ... > <dependency> <groupId>javax.validation</groupId> <artifactId>validat...

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

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java - Using Spring in standalone apps

I am learning Spring and I have a question regarding how you use it in standalone applications (and also when ... in standalone and web apps? 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 following formatted output?

I wrote the code to get the following formatted output, but when I enter number of rows in double digits, the output ... .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 - How would one create a custom JVM launcher?

There has been a history of "how to launch an application without a main method" questions, most stating something ... to find such a thing. 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 - Geb - IncompatibleClassChangeError

I'm just starting out with Geb and am encountering this error when inputting sample code from the Book of Geb: ... .... Any ideas? 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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544 views

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java - Web scraping with jsoup and selenium

I want to extract some information from this dynamic website with selenium and jsoup. To get the information I want ... could help me with 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 - How to start JavaFX 11 application outside IDE?

I downloaded: - OpenJDK 11.0.2 - JavaFX SDK 11.0.2 Both files are extracted to path C:/Program Files/Java/ ... -javafx but I get same error :/ 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 - Change file permissions in DDMS (Android)

I'm trying to test the behavior of my application when it cannot access some files due to missing ... FileExplorer in DDMS perspective? 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 download a file that is automatically downloaded in a web browser when I visit a certain URL?

I have a URL, http://www.skype.com/en/download-skype/skype-for-windows/downloading/. If I run this URL in ... ) { e.printStackTrace(); } } See Question&Answers more detail:os...

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

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458 views

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java - Generate QR codes with custom dot shapes using zxing

I'm writing an application to generate QR codes with custom dot shapes. What's the best way to do this ... although the keywords are similar. See Question&Answers more detail:os...

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

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660 views

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java - RestTemplate.exchange() does not encode '+'?

The RestTemplate.exchange() will encode all the invalid characters in URL but not + as + is a valid URL ... any URL's query parameter? 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 - Return statement in void method

I have the following method that returns void and I need to use it in another method that also returns void. ... (); inside the if statement? See Question&Answers more detail:os...

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

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285 views

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java - Drawing a graphical histogram

I am working on a project and I would like to display a single line histogram that looks like a bar graph except ... or how to draw my graph. See Question&Answers more detail:os...

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

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487 views

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java - RESTlet: How to process multipart/form-data requests?

How do you catch incoming @Post variables when it is a multipart/form-data request? For a regular Post request ... files, just the text fields. 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 - Remove focus on editable jtable cell

When double click on editable cell of jtable it shown as here. what i need is if user click mouse ... suggestion 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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250 views

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java - Changing the elements in a set changes the 'equals' semantics

Imagine that we have this piece of code. public class HashAddAfter { private class A { public int value; public ... . What do you think? See Question&Answers more detail:os...

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

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417 views

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java - TestNG retryAnalyzer only works when defined in methods @Test, does not work in class' @Test

This works as supposed, test fails (due to haltTesting()) and is repeated 2x public class A0001_A0003Test ... expecting the wrong outcome? 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 - jersey 2 context injection based upon HttpRequest without singleton

I want to inject a Datastore for a single request by field, like @Context protected HttpServletRequest request; ... possible for my usecase? See Question&Answers more detail:os...

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

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312 views

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java - Pause and Resume SwingWorker.doInBackground()

I have a basic Swing UI with a single button marked "Play." When the button is pressed the label ... thread running doInBackground to block? 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 - ObjectInputStream readObject in while Loop

Is it possible to read from ObjectInputStream in while loop which will terminate by exception thrown by socket ... something with 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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java - How do I make this panel zoom toward the middle of the panel?

I have a JPanel with the code here. I want the panel to zoom in towards the center of what's in the panel ... mouseClicked(MouseEvent e) { } } } See Question&Answers more detail:os...

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

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353 views

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java - Pause and Resume SwingWorker.doInBackground()

I have a basic Swing UI with a single button marked "Play." When the button is pressed the label ... thread running doInBackground to block? See Question&Answers more detail:os...

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

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274 views

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java - How to use dynamic table name in SELECT query using JDBC

I have 5 or table table to query from my syntax i like this String sql2 = "SELECT * FROM ? WHERE Patient_ID = ... ); values are not set in sql2 See Question&Answers more detail:os...

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

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