Recent questions tagged java

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java - How to install JPype on OS X Lion to use with Neo4j?

I am trying to use Neo4j for a project, and want to interface with it through Python since I'm a newbie to ... Neo4j method if it's possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - BindException with INTERNET permission requested

I have seen several questions regarding SocketException when using Android, but none of them cover the BindException ... e.printStackTrace(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java 8 - Issue with DateTimeParseException when using STRICT resolver style

I am trying to parse a date string using the following pattern: yyMMdd and the STRICT resolver as follows: ... . Can someone please help? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Get table column names in Hibernate

I am using hibernate Criteria class to get all records of table : Criteria criteria = session.createCriteria( ... set into JSON format. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Comparing functionality between KeyListeners and Key Bindings

This question arose when an anonymous user downvoted an answer of mine involving KeyListeners and suggested the use ... is more appropriate? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert a raw negative rgb int value back to a 3 number rgb value

Ok so I'm working on a program that takes in an image, isolates a block of pixels into an array, and then ... Is there a formula, alg, method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - PDFBox - Issue with generating PDF from a image

I am trying to generate a PDF from images of type JPEG, BMP but i am gettng part of the image on the ... in correcting what i am doing wrong. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Remove Transfer-Encoding:chunked in the POST request?

I am sending a POST request using the following code but the request is send in the form of chunked (Transfer- ... , contactInfo); return map; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JSP expression language and dynamic attribute names

I'm trying to do something that seems like it should be relatively straightforward and running into a bit of ... a more elegant solution exists? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - org.openqa.selenium.WebDriverException: Timed out waiting for driver server to start. Build info: version: 'unknown', revision: 'unknown'

While everything works on my machine, when I bring the project in which I'm working on my ... (MethodBeforeAdviceInterceptor.java:52) at org.springframework.aop.framework.Reflecti...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JavaFx: Update UI label asynchronously with messages while application different methods execution

I am trying to update the label in my JavaFx GUI asynchronously with various status message for the application. ... to achieve this behavior ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JavaFX: ComboBox using Object property

Lets say I have a class: public class Dummy { private String name; private String someOtherProperty; public String ... name. Is that possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Finding a class reflectively by its simple-name alone

I was wondering if there is any given function that allows me to introspect a class without having to write the ... matter where is it located? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Application managed JPA, when is Transaction needed

We are working on a little web (will run on Tomcat) with the data layer done with JPA ( ... implement application managed JPA correctly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - AES decryption on Android too slow to be usable. Will NDK be faster? Other ideas?

I've implemented AES/CTR on Android using the built-in Cipher class. Decryption appears to be far too slow for my ... , prefix, length ); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Mutually exclusive methods

I am on my way learning Java multithread programming. I have a following logic: Suppose I have a class A ... question clear enough... Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Tomcat Valve settings

I'm stuck with sort of a configuration issue I think. I need to protect a folder which is within my actual tomcat ... me out on this. tia K See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android: DigitalClock remove seconds

I used this code for adding a clock to my app: <DigitalClock android:id="@+id/digitalclock" android: ... ss! any suggestions? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Error creating bean with name 'sessionFactory' : MalformedParameterizedTypeException

ANY advice would be apprecated. I'm stumped... Problem On my laptop, anytime our application tries ... .BeanCreationException: Error creating bean with name 'sessionFactory' defin...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Create a map from a list of maps

I have a list of maps. List<Map<Integer, String>> The values in the list are, for example <1, String1> <2, ... key and the list as its value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JavaFX Single Instance Application

Trying to make it so when the user "closes" the program clicking all the exit buttons so there is ... . Platform.setImplicitExit(false); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Initialising the TextToSpeech object on a worker thread

For years (literally), my application has suffered woes from poorly performing text to speech engines, in ... eventual call to onInit See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Regex for matching javadoc fragments

This question got me thinking in a regex for matching javadoc comments that include some specified text. For example, ... give a regex for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - R, loading rJava error

I'm running R (version 3.4.0) on macOS sierra (10.12.5) and I'm trying to use the xlsx library ... Done. Any help will be greatly appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I create an annotation processor that processes a Local Variable?

I'm trying to create an annotation for a local variable. I know that I can't retain the annotation in ... static Thoughts and or workarounds? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is there an HttpClient that handles caching requests on its own?

I have an app that needs to make repeated requests for content on the web. Now the server side implementation ... tool already out there. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - @PersistenceUnit annotation won't create an EntityManageFactory emf=null

I'm try to use the Sun Java PetStore Demo. In the CatalogFacade class there is the following annotation: @PersistenceUnit ... (); return tags; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Command failed: gradlew.bat installDebug

While developing an app I came into following error. I tried downgrading the java version from 11 to 8, but that ... /process/next_tick.js:68:7) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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