Recent questions tagged java

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java - Add Jar File to Buildpath in Windows Command Line

Im quite annoyed at having to ask this but I cant get it to work. Currently I have a project with: 5 ... class: Interaction. Program will exit. 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 to turn on flashlight and front camera at the same time in android

In one of the requirement in my app I need to pop up an activity containing the front camera preview,at this ... Any help would be 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 - Incompatible library version selenium / guava

My app has a hard dependency on com.google.guava:guava:23.3 or superior +--- com.github.ben-manes.caffeine: ... like a pretty deep rabbit hole. 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 to find the exact set of operations for a specific number?

I am trying to implement a program that answers this problem : if you are given a specific number (for example ... many lines of code, 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 - Show HTML file in JEditorPane

I am working on a Swing application in which I have to show HTML files. I am using JEditorPane control ... jsp=new JScrollPane(HtmlPane); 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 to specify RoundingMode for decimal numbers in Jasper Reports

I'm using Java with Jasper Reports and would like to format a decimal value using this format mask "#,##0.00" ... mode (I need HALF_DOWN mode)? 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 - RemoteWebdriver started with PhantomJS does not open https url

I am using selenium with PhantomJs to scrape the URL. I initialized the driver as below final DesiredCapabilities ... Am I missing anything? 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 - Throwing checked exceptions with CompletableFuture

Stackoverflow contains multiple questions about mixing checked exceptions with CompletableFuture. Here are a few examples: ... more generally. 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 Duplicate Series Added

I am currently learning JavaFX and am trying to create an app that shows a line chart and allows the ... update. Any ideas/recommendations? 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 - JPanel doesn't update when adding Component in another class

I'm fairly new to Java Swing and I'm running into a few problems. As a side question, when making a fairly large ... "); mPanel.add(temp); } } 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 ACTION_IMAGE_CAPTURE sometimes not calling onActivityResult

In our code we are using getPhoto method that looks like this: public void getPhoto(View view) { Intent ... when onActivityResult not called. 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 - Spring MVC Mapping problem

I have what I thought was a simple Spring MVC app. However, I can seem to set the requestMappings correctly. What's ... ("main", model); } } 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 - Mysql Connection with out password using corejava program

I want to connect to a MySQL database. While installing MySQL I did not give any password, so in my ... /easylibdb1 user=root password="" 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 - Part 2 - How do I get consistent rendering when scaling a JTextPane?

I submitted another version of this question and a sample program before: How do I get consistent rendering when scaling a ... ); } }); } } 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 - Database table doesn't exist according to android studio compiler

I'm receiving this error: android.database.sqlite.SQLiteException: no such table: setting (code 1): , while ... able to select from it? 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 - What is Type<Type> called?

What is Type<Type> type; called (opposed to) Type type; You know, where you put the angle brackets around the ... . (note: this is Java) 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 - using checkbox to filter contacts and get phone number

I am working on an app that works similar to the default text messaging app on all Android phones. My ... any more information, please ask. 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 - Why to add JPanel to a JLabel, under what circumstance, this situation can arise?

Today while surfing through various questions, I encountered one QUESTION, this seems to me a bit weird, why would ... so is it just trivial ? 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 to apply update using Filtered positional operator with arrayFilters

I am running on Mongodb 3.6, with mongo driver 3.4.3 and spring data mongo 1.5.10. Below is the structure ... books or tutorial i can refer to. 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 to automatic create table in jpa persistence xml file?

I am using eclipse IDE.I also try following two .but failed..when i manually create table in my mysql ... </properties> </persistence-unit> 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 - Using Jackson to add XML attributes to manually-built node-tree

I'm trying to set up code to create a node tree using Jackson which can then be used to write either JSON ... above. Is it doable using Jackson? 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 - Hibernate validations on save (insert) only

We encountered a problem with legacy code. There is a validation set for a "username" field, validating ... 't change hibernate configuration. 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 - Partial Matching of Regular Expressions

In NFA it is easy to make all previously non-final states accepting to make it match language of all substrings of ... } } Results in true. 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 - JLabel with multiple lines and alignment to the right

I searched through many posts and figured out that JLabel supports HTML. So I can do JLabel search = new JLabel("< ... make it work as I wanted? 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 - Definition of type variable and parameter

I am reading up on generics in Java using the Java Language Specification, Third edition. In section "4.6 ... appearing in the type parameter ? 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 - Format XML generated by Xstream

I want to format the output XML generated by Xstream, to make it more readable. Currently, a newline is ... newline to be added after every 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 to set axis (triad) at fixed position on screen in JavaFX?

How to set axis (triad) at fixed position on screen in JavaFX? I am currently developing one application in which I want to ... addAll(t); } } In above code, first I have translate...

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

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java - Eclipse gluon new project does not finish

I use Eclipse 4.7 (Oxygen), portable version Android Development Tools (no version ?), with SDK Manager => ... to search for anywhere ? 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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