Recent questions tagged Java

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java - How to stream response body with apache HttpClient

There's an api I need to perform octet-streaming from which does not have a length. It is just a stream of ... finally { response.close(); } } 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 sort ip address in ascending order

Is there any method to sort this? Or do I just need to split it and use a loop to compare? Input 123 ... order. Seems TreeMap is better choice? 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 - Read Environment Variables in persistence.xml file

I want to read environment variables inside persistence.xml file. Idea is that i don't want my database details ... be deployed in unix machine. 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 isn't the serialVersionUID automatically generated?

Why isn't the serialVersionUID automatically generated? I was running into an issue on an application server where ... class was being cached. 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 - Store/Retrieve Json data to/from Mysql 5.7 database using hibernate

I am going to start a project where I need to generate dynamic google forms. The requirement for this project is ... Ideas ? 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 - Check if app is open during a GCM onMessage event?

I am wondering how to check if my application is open and currently visible to the user when receiving an onMessage() ... its their turn } } } 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 extends ListActivity where AppCompatActivity in Android Activity

I want to use Activity extends ListActivity for PullToRefresh.But i have use CustomActionBar that ... extends AppCompatActivity 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 not get ScrollView to scroll when soft keyboard is shown

I have been trying to get this scrollview to scroll, and have not had any luck in doing so. ... "wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="80dp"...

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

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java - Best way to periodically executing AsyncTasks in Android

I am getting data from the server using AsyncTask. I need to update the data periodically. Whats the best way to do 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 - JFreeChart Scatter Plot Lines

I'm trying to create a graph with JFreeChart, however it doesn't get the lines right. Instead of connecting the ... -3, sorted by x-value. 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 easily process CSV file to List<MyClass>

In my application I use a lot of CSV files which I have to read and build a lists based on them. I'd like ... 27,false How can I do it easily? 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 - Firebase Database - the "Fan Out" technique

I was investigating the Firebase Database sample for Android and realized that it stores its data in the ... other solutions recommended here. 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 - XercesImpl in conflict with JavaSE 6's internal xerces implementation. Both are needed... what can be done?

I am sure that I am not the first to encounter this conflict. The code that I have inherited does the ... readers I suppose] Any suggestions? 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 restart a JavaFX application when a button is clicked

I went through almost every post here regarding the matter but most of them doesn't explain what to do ... somewhat new to java programming. 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 - Date timezone with Spring boot and Jackson

I'm developing a spring boot application that handles dates. When I submit an Appointment object that has a ... -09T22:43:07.109+0300 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 - bean of type 'org.springframework.http.codec.ServerCodecConfigurer' that could not be found

APPLICATION FAILED TO START Description: Parameter 0 of method modifyRequestBodyGatewayFilterFactory in org.springframework ... agentlib:jvmhook See Question&Answers more detail:os...

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

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482 views

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java - How to get GridBagLayout to respect minimum size of a button or panel?

In the following GridBagLayout code, I'm expecting the specified minimum size of JButton btn2 to be respected when ... ; frame.setVisible(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 - Get the extension from a MimeType

I want to get the extension from a MimeType. For example: video/mp4 ----> mp4 application/x-rar- ... file with extension using MimeType? 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 does getRequestDispatcher("path") look?

Using embedded tomcat, this code: System.out.println("getServletPath: " + request.getServletPath()); System. ... relativePath") is addressing? 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 - What does List Iterator's add() method do to the iterator?

I want to be able to insert elements to the ArrayList<String> using ListIterator, but somehow I am confused ... is this output being generated? See Question&Answers more detail:os...

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

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277 views

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java - wsimport - how to generate service endpoint classes and JAXB classes in separate projects/folders

We are using a top-down approach for a project with multiple web services (multiple WSDL's). Each web service ... JAX-WS web service endpoints? See Question&Answers more detail:os...

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

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371 views

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java - SLF4J logger.debug() does not get logged in JBoss 6

Context: JBoss Application Server 6 I am relying on slf4j-jboss-logmanager.jar to bind slf4j to the JBoss log ... never reach the log stream? 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 classloader

I'm trying to switch the class loader at runtime: public class Test { public static void main(String[] ... new thread use given classloader? 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 - Removing the three dots "..." from a JButton?

Hey, I am creating a calculator program, with some small buttons, I want one of the buttons to have "Ans" ... and show the normal text given? 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 can I get real path for file in my WebContent folder?

I need to get real path for file in my WebContent directory, so that framework that I use can access that ... be possible to make in Spring. See Question&Answers more detail:os...

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

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204 views

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java - lucene - give more weight the closer term is to beginning of title

I understand how to boost fields either at index time or query time. However, how could I increase the score of ... using Lucene 4.1 in Java. 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 - FXML Load exception

I got a problem that I absolutely can't solve on my own because I have just started using JAVA FX. I get a nasty ... .SEVERE, null, ex); } } } 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 finalize SunPKCS11 Provider after it is initialized?

I have initialized the SunPKCS11 provider by: Provider provider = new sun.security.pkcs11.SunPKCS11("path_to_pkcs11.cfg" ... a method to logout. See Question&Answers more detail:os...

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

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