Recent questions tagged Java

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I'm looking to write some Groovy code to perform tasks inside of install anywhere but because of the platforms we ... to run the latest groovy? 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 give Trigger generated value into Hibernate ValueObject?

In my Hibernate Application i'm using create a ValueObject class @Entity @Table(name="user") public class UserVO{ ... ..please suggest 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 - JTextArea thread safe?

I have some code that does some initialization (including making a JTextArea object), starts three separate threads, ... out over several files. 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 run annotation processing via maven 3.3?

For years, we've been running the maven-processor-plugin as a separate goal (using proc:none on maven- ... maven that is eclipse-friendly? 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 - Send message to specific channel in Discord with JDA

How to ask the bot to send a message to another channel (specific channel) that is not the same as the bot ... most needed part, I believe } See Question&Answers more detail:os...

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

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362 views

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java - intentservice no empty constructor, but there is a constructor

I have an IntentService within an Activity, and when I try to call the service, it throws this error, which I find ... intent) { ... } } } 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 - Clearing contents of TextField using setText does not work in AWT

I am having problems clearing contents of TextField in AWT using setText() method. Apparently, setText("") ... suggest an alternative? 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 - Positioning component inside card layout

I have a main frame where i want to display object of my NewUser class in center position using card layout ... at center position in main 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 - Error while mapping postgres arrays in Spring JPA

I am using Spring JPA and postgres database. I have created the following table: CREATE ... at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMetho...

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

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java - "HasInputDevices" is located at "/org/openqa/selenium/interactions" but it is still looking at "/org/openqa/selenium/"

I want to run my WebDriver test cases on Chrome on remote Ubuntu server. I have installed latest Chrome ... then Chrome exits unexpectedly. See Question&Answers more detail:os...

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

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405 views

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java - Camera Intent result woes

I am attempting to launch the built-in camera to take a picture, a picture that will have a name specified by ... LENGTH_SHORT).show(); } } } 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 - Comparing unicode characters in Junit

I had problems in some flow with unicode chars in some of my flows. So i fixed the flow ... .invoke(DelegatingMethodAccessorImpl.java:25) See Question&Answers more detail:os...

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

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509 views

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java - MyBatis parameter from HashMap

In mapper interface I have: ArrayList<Item> select(@Param("filterId")int filterId, @Param("filterData")HashMap<String, ... Where is my mistake? See Question&Answers more detail:os...

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

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604 views

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java - AfterAll global hook cucumber-jvm

I'm using cucumber-jvm in my integration tests and I need to execute some code after all scenarios are finished, ... in advance for the 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 to serialize a json containing LAZY associations

I am having an Person entity which has @ManyToOne association with Contact entity with fetch type LAZY. I am using ... List<Person> persons; } See Question&Answers more detail:os...

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

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505 views

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java - How to make cell as non editable based on another cell value in Editable Grid in gxt

Hi I am creating Editable Grid using GXT 2.2.3. I created columns like below: List<String> eventList=new ... Please suggest how to resolve 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 - Getting "ORA-03115: unsupported network datatype or representation" error while fetching array of varchar from anonymous pl/sql

I am getting "ORA-03115: unsupported network datatype or representation " exception while fetching the varray of type ... Thank you 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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445 views

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java - How do I read strings in J2ME?

I'm using the MIDP 2.0 (JSR 118) and I just noticed that there is no reader for strings in J2ME. ... enabled cell phones of different models)? See Question&Answers more detail:os...

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

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830 views

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java - Spring mongo queries set custom timeout

I would like to lower the timeout setting in my spring-mongo java application (the query should fail after ... RELEASE</version> </dependency> See Question&Answers more detail:os...

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

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461 views

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java - Obtaining memory available to JVM at runtime

I'm trying to sort a bunch of data such that that the size of data input to the program can be larger than ... when data input is too large? See Question&Answers more detail:os...

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

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465 views

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java - How to know when the request is forwarded in a RequestWrapper object

I am using a subclass of HttpServletRequestWrapper to do some translations on the request parameters, and I cache the ... there is a "forward". See Question&Answers more detail:os...

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

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361 views

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java - SQLException: the result set is closed

I am a beginner in Java using NetBeans and I was trying to create something similar to a faculty registration ... } } someone please 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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688 views

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java - how to search sqlite database using regular expression in android?

I am trying to search a database using regular expression in sqlite. Here is my code: cursor = db. ... querying sqlite database in android? See Question&Answers more detail:os...

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

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489 views

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java - Why wait ,notify and notifyAll Methods are in Object Class?

i know that wait() method always written in synchronized method/block and make lock on Object but i want to ... methods are in Thread 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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367 views

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java - JNA does not have a function from the Windows API

I am in charge of porting Windows JNI code to Java, and have gone with JNA. Using the library is simple ... what can be used in replacement? See Question&Answers more detail:os...

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

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537 views

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java - How to provide objects of the same type? Dagger2

I am new at Dagger2 and tried to build such sample to understood how does it work. There is my sample code ... proper way to avoid such 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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511 views

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java - Datatype of SUM result in MySQL

I'm having a bit of a problem with converting the result of a MySQL query to a Java class when using SUM. ... better way to deal 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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516 views

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java - Cast ArrayList of wrappers to corresponding array of primitives

I use an ArrayList with the wrapper class Short. After adding some values I want to get the primitive array, but ... for or anything like 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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