Recent questions tagged JAVA

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java - How to render an android view to canvas WITHOUT rendering it first (i.e. without full layout)

I am trying to draw a view onto an external canvas using View.draw( Canvas canvas ). For this to work, the view ... not, is there a better way? 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 - Using JPA with multiple AND operations

I'm working on a Spring app and defining various find methods on a repository: @Repository public interface ... generated for that attribute. 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 - Thread blocks my Android UI

I have a problem with java Threads in my Android app. My nested thread blocks my UI, how can i resolve this? ... me? I'm literaly stuck ;) 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 - Deploying two Spring batch applications in same cluster in a single Weblogic Domain?

BackGround - I am trying to deploy two spring batch applications as .war in same cluster in a ... (DefaultMBeanServerInterceptor.java:966) at com.sun.jmx.interceptor.DefaultMB...

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

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java - J2ME Midlet - Self-signed certificate

I want to sign my application but I don't want its users to install certificates on their phones before ... midlet with self-signed certificate? 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 - Creating another AsyncTask inside of doInBackground

I recently looked through SO to find the answer to the same question here, but there was not an answer directed ... a AsyncTask to begin with. See Question&Answers more detail:os...

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

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442 views

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java - Clear portion of graphics with underlying image

I'm making a 'game' of sorts where the player has to click on an image bouncing around the screen. The catch ... any of the code will execute. 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 - RemoteWebDriver throws "org.openqa.selenium.SessionNotCreatedException: Unable to create new remote session"

I'am trying to run a simple code from hub to node, hub and node connections are successful. While executing the ... .Grid.main(Grid.java:23) 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 - Faster way to set a (PNG) bitmap color instead of pixel by pixel

I have some png files that I am applying a color to. The color changes depending on a user selection. I change the ... ); } } return pixels; } 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 - Updating JLabel text from another thread in real-time

I need to create a GUI to show real-time data coming from the Serial port. I'm reading serial port data from a ... one. How can I fix 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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820 views

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java - When running the program in netBeans the font looks extremely weird

so I set up netBeans and a SceneBuilder on my new MacBook M1 and everything works, except of the font when running ... can help me. Thank you! 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 need to retrieve MongoDB's object just with filtered's array item

I'm needing to retrieve just with two dates, all the documents from my MongoDB's collection, with the ... with filtered arrays not empty? 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 doesn't my screen turn red?

Ok, so I'm new to programming and I'm following a tutorial on Youtube to build my own game. My problem is that my ... (true); game.start(); } } See Question&Answers more detail:os...

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

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545 views

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java - Alignment date parts in JTable column formatted in propotional font

I need to make the date parts (dd, MMMM, yyyy) to be vertically aligned. I asked a question at Fixed length ... column width is small.... 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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631 views

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java - Apache POI bullet spacing

I am working on a project to generate a word document that has bullets. By default the bullets are followed by ... this to use space character? See Question&Answers more detail:os...

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

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473 views

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java - Combining Mapped properties with Indexed properties in Struts

I'm trying to have a dynamic form and, depending on an attribute type, I would like to display a different input ... name="value(foo)" /> See Question&Answers more detail:os...

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

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572 views

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java - aspectj-maven-plugin, declare soft how to compile

Is it possible to compile project with softened Exceptions (e.g.: declare soft: Exception : execution(* *.*()); ... > What am I doing 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 - Stack Adding Machine doesn't add but hangs waiting for more args

so I have a Stack that I built and I have a Machine to evalute expressions like, ( 9 + 0 ) and they can be ... .out.println(vals.pop()); } } 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

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java - Maven private dependencies

Is there a way to specify private dependency for a project that will not be visible to others? What I'm ... is there any particular reason why? See Question&Answers more detail:os...

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

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668 views

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java - How to change a variable when a button has been clicked in JavaFx

I want change a variable when I click a button in JavaFX. But when I try to use the variable from the program ... can i do to get around 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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605 views

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java - Special Characters [^M] appearing at the end of line in file if seen on unix but not when seen in eclipse

As described in questions, if I see a file in unix then I see special characters in it like ^M at the end ... dos2unix -437 file1.txt>file2.txt See Question&Answers more detail:os...

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

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517 views

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java - I want to delete the array stored in Firestore

I received the user's email and designated it as the name of the document, and stored the user information in the ... Exception 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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676 views

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java - How to fill TableView with ObservableMap<KeyObject, ObservableList<CustomObject>> in JavaFX

My Java programm produces a lot of data, with wich I construct individual ResultObject. Because only certain ... if I missed anything. 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

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java - javafx animation looping

in c++ or c programming language, we know to change the cordinate we use gotoxy(x,y) and we can use looping ... .2. thanks for your any 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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574 views

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java - ImageIO saves back to original size

I've been searching for some solutions from the internet yet I still haven't found an answer to my problem ... change the resolution using 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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420 views

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java - Followup part 2 -- Using Maven to only sign and deploy jars to Maven Central. Build and compilation is done entirely with Ant

This is a follow up to: Followup questions: Using Maven to only sign and deploy jars to Maven Central. Build and ... <id>attach-artifacts</id> <phase>package</phase> <goals>...

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

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1.8k views

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java - Caused by: org.hibernate.boot.registry.classloading.spi.ClassLoadingException: Unable to load class [Employee]

I am writing a simple Hibernate program on Eclipse. I did everything steps by steps but then after compiling ... This is my project structure: See Question&Answers more detail:os...

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

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538 views

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java - Kafka only subscribe to latest message?

Sometimes(seems very random) Kafka sends old messages. I only want the latest messages so it overwrite messages ... I missed some settings? See Question&Answers more detail:os...

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

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