Recent questions tagged JAVA

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java - When both halves of an OR regex group match, is it defined which will be chosen?

I've run the following code: public static void main(String[] args) { Pattern pattern = Pattern.compile("(asd ... if the behaviour is defined? See Question&Answers more detail:os...

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

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399 views

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java - Gitflow Workflow with Maven - when to build what?

Gitflow introduces several branches like develop, release, hotfix, and also encourages feature branches. In a Maven ... 3-FEATURE1-SNAPSHOT?)? See Question&Answers more detail:os...

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

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430 views

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java - Guava Dependency Breaking Jar Built With Kotlin

Issue The Java/Kotlin application runs as expected in from the Main Class in IntelliJ's IDE. However, when the app ... google.guava:guava:19.0'} See Question&Answers more detail:os...

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

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531 views

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java - How to change the value of array elements

int A = 300; int B = 400; int C = 1000; int D = 500; int []abcd = {A,B,C,D}; Arrays.sort(abcd); // the sequence of ... = 1; B = 2; C = 4; D = 3; See Question&Answers more detail:os...

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

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374 views

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java - Dependency exception when deploying maven project

I' trying to deploy my maven project to Glassfish 4 but I get the following exception when it fails to deploy: Severe ... /groupId> <artifactId>junit</artifactId> <version>4.10</ve...

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

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562 views

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java - How to bootstrap weld-osgi version 2 in SE application

It's really not funny. There is no information in internet how to run weld-osgi second version (2.1.2.final) ... is here and the second is 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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827 views

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java - Regex for decimal or fraction

Right now I have a regex where it checks if the string in a decimal format or not: -?\d+(?:.\d+ ... /a decimal OR a fraction(including decimals) See Question&Answers more detail:os...

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

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800 views

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java - Hibernate how to ignore @Where annotation

I have an entity: @Entity @Table(name = "[Usermaster]") @Where(clause = "isDeleted = 0") public class User ... I use CRUD repositories to query) See Question&Answers more detail:os...

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

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521 views

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java - how do I access mobile inbox, call log, photo gallery using j2me APIBridge?

I was searching for the method or some kind of examples, by which i can access my mobile phone call logs ... 6700 Classic S40 Series Phone. See Question&Answers more detail:os...

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

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522 views

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java - progressbar in a thread does not update its UI until the work was done in the main thread

i am cutting a big file into blocks, and want to display the rate of the progress. when i click startCut ... value outside the run method? See Question&Answers more detail:os...

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

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897 views

1 answer

java - Spring cloud stream kafka pause/resume binders

We are using spring cloude stream 2.0 & Kafka as a message broker. We've implemented a circuit breaker which stops ... when it's up, to resume? See Question&Answers more detail:os...

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

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999 views

1 answer

java - MyBatis annotations to call Stored Procedure and get Out Params

I am using MyBAtis-3 with MyBAtis-Spring. When i tried to call a stored procedure that returns more than one ... ==> Parameters: 60(Integer) See Question&Answers more detail:os...

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

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440 views

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java - HashMap get performance with simple and complex key

I want a map whose get operation is as fast as possible. The key is set of string (2 table names in ... Set is being created in both blocks See Question&Answers more detail:os...

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

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520 views

1 answer

java - Tomcat 8 on CentOS 7 does not start as service (but it starts manually ....)

I've installed Tomcat (apache-tomcat-8.5.37), on a CentOS VM (using bento/centos-7). Tomcat is installed ... ???? Suggestions are 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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457 views

1 answer

java - Flipping shape (not image)

Solved: Thanks @MadProgrammer I replaced g2.rotate(Math.toRadians(180.0)); by g2.scale(1, -1); thanks^^ I wrote ... flip the shape (not image)? See Question&Answers more detail:os...

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

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426 views

1 answer

java - Datepicker with time validation in Struts 2

I'm using Struts2 JQuery datepicker tag. But I'm not able to validate it. In my validation.xml file, i am taking ... setTimestamp(13, t); ... } See Question&Answers more detail:os...

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

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497 views

1 answer

java - Could not load library: xuggle; version: 5; Using POM

I'm attempting to use Xuggle and when trying to deploy, I'm getting the following error, below that is my POM ... -classic-1.0.0.jar Thoughts? See Question&Answers more detail:os...

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

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437 views

1 answer

java - Is there an aspect already written and tested well for TRACE logging

I am refactoring a legacy application where the actual application is scattered in between lot of logging statements. ... used for real project. See Question&Answers more detail:os...

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

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525 views

1 answer

java - GWT force Update on Server during development mode

I am getting a really annoying problem. In my application, whenever i need to change client code, the refresh ... current running server code??? See Question&Answers more detail:os...

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

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513 views

1 answer

java - Update textview from Recyclerview Adapter class

I'm working on a E-commerce App to place some online orders. In my Recyclerview there are products, which are added ... ; } } return total; } See Question&Answers more detail:os...

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

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759 views

1 answer

java - JSP not rendering properly in Tomcat

I have a JSP page running in Tomcat that is not rendering properly. Here is what helloworld.jsp looks like: ... directives aren't being parsed. See Question&Answers more detail:os...

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

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535 views

1 answer

java - Jersey RESTfull service with JSON

I want to parse the values from the JSON-Post into Java-Variables. But they are always empty! JSON-Post: {"algID":0 ... , I just don't get 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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702 views

1 answer

java - Given InputStream replace character and produce OutputStream

I have a lot of massive files I need convert to CSV by replacing certain characters. I am looking for reliable ... a lot for your advices. See Question&Answers more detail:os...

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

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607 views

1 answer

java - Align bars with bar labels in Jfreechart

I have a problem with data labels to align with correct bar in this chart. This bar chart is generated using jfreechart in jsp. See Question&Answers more detail:os...

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

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862 views

1 answer

java - Spring autowire dependency defined in an abstract class

I have an abstract class "Command" with an @Autowired dependency and classes extending the abstract class. The dependency ... ". All is good. See Question&Answers more detail:os...

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

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693 views

1 answer

java - How to fix unknown error: unhandled inspector error: "Cannot find context with specified id"

The following code throws occasionally an org.openqa.selenium.WebDriverException. WebElement element = driver.findElement(by); ... I fix 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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628 views

1 answer

java - Reading ZIP file gives an 'invalid LOC header' Exception

I have a large zip file, 4.3G. It contains about 100k entries. I am reading it using Java 1.6.0_14 on ... using 'unzip'. Any clues? 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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491 views

1 answer

java - Instead of rendering tables and other html tags in docx these are saved as plain text using docx4j-ImportXHTML

I want to render html code to docx. Instead of rendering html(i.e. tables in tabular format) it simply writes ... 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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