Recent questions tagged JAVA

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I am having problems using DecimalFormat when I am going to print out coefficients after a regression. Here is ... coefficients. Thank you Lars 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 - Login Facebook via Jsoup

I tried to log into my Facebook account with these lines that I read from an answer to a question already posted ... want to use Facebook APIs! 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 - POI reading excel strings as numeric

I am using Apache POI for reading excel file. And while reading it I have noticed that it takes strings as float ... ).getString()); } } } 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 - TableView column data set to 2 decimal places

I have 1 class file Nepokretnost.java in which constructor look like this: public Nepokretnost(String ... some direction 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 - How to handle multi-line comments in a live syntax highlighter?

I'm writing my own text editor with syntax highlighting in Java, and at the moment it simply parses ... highlighter while keeping it efficient? 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 do I need to release global references created in JNI native functions?

I have a Java class with native functions implemented in C++ which is called nz.ac.unitec.BigInteger. The ... gMethods, NELEM(gMethods)); } 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 want my thread to handle interruption, but I can't catch InterruptedException because it is a checked exception

I have a thread in Java which calls t.interrupt(); making t (a different thread) be interrupted. I want the " ... I using t.interrupt() 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 - Spring Bean Validation with configurable constraint values

I'd like to make Java Bean Validation constraints configurable by Spring, possibly by using properties. An ... possible for constraint values. 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 - MySQL Statement Cancellation Timer failed to Stop

What is the reason of the following warning. WARNING: The web application [TI] registered the JDBC driver [com.mysql.jdbc. ... " + 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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java - Merging META-INF/services files with Maven Assembly plugin

I am looking for a way to merge META-INF/services files, e.g. META-INF/services/javax.ws.rs.ext.Providers, ... plug Maven Shade plugin...in. 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 remove a Category from Import wizard in Eclipse-RCP?

I need to add an import wizard into my eclipse-rcp app. For that I would like to use existing wizard with only ... or at least hide? BR, AlexG. 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 Camera works in Libgdx and together with Viewport

If you work with LibGdx it goes not long until you come to Camera and viewport. If you work the first ... it works together with the Camera? 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: multiple submit button

I would like to have 2 submit button in my jsp, so I found this tutorial: http://struts.apache.org/release ... full jsp and struts.xml example. 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 - signed applet gives AccessControlException: access denied, when calling from javascript

I have an easy self-signed an applet (done with keytool and the jarsigner): public class NetAppletLauncher ... could start notepad before? 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 fill report using JSON datasource without getting null values?

I'm using Jasper Reports to build a simple report pdf. I have a JSON file that looks like this: {"employees": ... i just get two null values. See Question&Answers more detail:os...

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

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207 views

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java - Android: Passing a Service a Handler

So, I've read the android AIDL documentation and have a general idea of how RPC works between an Activity and a ... a formal RPC to the service? 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 - Configuring an MDB to listen to multiple queues

I'm using EJB 3.1 and I want to configure an MDB to listen to multiple queues. I'd prefer defining the ... via annotations. Can this be done? 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 - JSON Jackson deserialization multiple keys into same field

I am trying to convert JSON into POJO. I have worked with Jackson to convert standard JSON file. In this ... address; String email; } } See Question&Answers more detail:os...

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

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878 views

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java - Redirect Console Output to JavaFX TextArea?

I want to show the console output in a JavaFX TextArea... unfortunately I cannot find any working example for ... -generated method stub } } 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 change ActionForward with dynamic params in Struts 2

While migrating the application from Struts 1 to Struts 2 In some of the places, the same action class has been ... dynamic params in Struts 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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387 views

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java - datetimeoffset hibernate mapping

I'm trying to use hibernate with ms sql server and have difficulties mapping the sql type datetimeoffset to java. ... how to solve this 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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java - lookup in mongodb aggregation

The following bson is personaddress collection: { "id" : "123456", "name" : "foo", "address" : [ { ... .class); Can anyone 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 - Sort JTable Except for Last Row

I have a JTable where the last row is the total row that aggregates all other rows. When the user ... to implement this with TableRowSorter? 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 - Duplicate entry 'string1-string2' for key 'PRIMARY'

In a Spring MVC application using hibernate and jpa over a MySQL database, I am getting the following error ... by clicking on this link. 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 control the MIDI channel's volume

I have this code: Synthesizer synthesizer = MidiSystem.getSynthesizer(); synthesizer.open(); Instrument[] instrument = ... it has been playing? 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 convert or record .wav file in 16khz 16bit mono little-endian?

I m just implementing sphinx4 speech recognition in java..whta i need is how to record sound or convert any sound .wave ... break; } } } }; } See Question&Answers more detail:os...

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

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202 views

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java - Eclipse keeps running my old web application

OMG - what is going on with Eclipse (3.3 Europa) - has anyone come accross this problem (bearing in mind I ... - I would really appreciate 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 - Difference between static nested class and regular class

I know this is a bit of a duplicate question but I want to ask it in a very specific way in order to ... aren't commonly discussed or ran into? See Question&Answers more detail:os...

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

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