Recent questions tagged Java

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java - Set feature accessExternalDTD in TransformerFactory

For security reasons I'm adding the statement: transformerFactory.setFeature("http://javax.xml.XMLConstants/property/ ... to 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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java - In Oreo, I'm not able to get an outgoing number

I am trying to get outgoing number but before oreo the code is working absolutely fine but in devices with oreo ... able to get outgoing number. 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 populate TableView with String Arraylist in JavaFX

I want to populate TableView with String, String I have only two columns. I couldn't do it. What I tried so far is: ... )+"S",myList.get(i)); } 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 create more than one window of a single sketch in Processing?

I want to create two windows by using just one single sketch in Processing. What I'm trying to do is that if ... one sketch, please let me know. 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 - Immutable objects and unmodifiable collections

With an immutable object, where is it proper to wrap a contained collection as unmodifiable? I see 3 options: In ... and which one is proper? See Question&Answers more detail:os...

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

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417 views

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java me - You must include the platform port before the LWUIT in the classpath runtime exception

I recently started using LWUIT. Great job and great program. I'm using Netbeans 6.9.1, S60 SDK and the ... issue. If not please inform 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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606 views

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java - Converting long (whose decimal representation represents a yyyyMMdd.. date) to a different date format

I have long of the form 20120720162145 yyyymmddhhmmss I have to convert it to 2012-07-20 4:21 PM form. Is there ... Java to do this using Date? 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 - Spring cache/jsr107: list/collection argument as part of the key

I have a service which calls external system to retrieve some kind of objects by their external id as well as ... level-caching-of-list-to-list See Question&Answers more detail:os...

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

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441 views

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java - Hibernate filtering query collections

I would like to ask if it's possible to do this using hibernate. Let say I have already run a HQL and ... = :staff order by i.prId desc See Question&Answers more detail:os...

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

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441 views

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java - Problem with JSP getRemoteAddress

I would like to find out how to get IP address of the client, that is visiting my web pages. Content of JSP page: <% out. ... :1 0:0:0:0:0:0:0:1 See Question&Answers more detail:os...

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

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508 views

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java - Swing JScrollPane - how to set vertical scroll bar to left?

See the title. I've tried to change component orientation to RIGHT_TO_LEFT, but that had a unexpected side ... workaround or another 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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432 views

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java - Making the gridView center in Android

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/ ... "> </ImageView> </RelativeLayout> See Question&Answers more detail:os...

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

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466 views

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java - Spring wiring conditional to an environment

With Spring wiring, if I have multiple implementations of an interface, I can use @Qualifier to specify which ... syntax would be 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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584 views

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java - Vaadin basic layout: fixed header and footer + scrollable content

I am new to Vaadin and trying to know if it can suit my needs for a webapp project migration. Actually I' ... I achieve this behaviour? 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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632 views

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java - Annotations on candlestick chart not working

I'm trying to add annotations to a chart. It seems like it's added, since the size() of the plot's ... chart); setContentPane(panel); Any ideas? See Question&Answers more detail:os...

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

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559 views

1 answer

java - Jasper subreport showing only one entry from the JSON data source when embedded in the Title band

I am having issues with populating data in subreport in the title band of the main report. The data is populated ... "Solid" lineColor="#000000"/> <leftPen lineWidth="1.0"...

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

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432 views

1 answer

java - How to show information of each task in Gantt chart

i am using Jfreechart to write a projet of analysing log file, i have a problem of overvide generateToolTip ,what i ... }); } }enter code 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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760 views

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java - how to write to csv with a leading zero?

I wish to write to a CSV file some data. One of the column that I input the information is in the ... printWriter.println(value); 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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540 views

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java - Controls (Combo, Radio, Text) in column header SWT

I've been searching everywhere, but I can't find a solution, nor an answer. Can custom controls/widgets be ... Buttons or Combo). 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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487 views

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java - Android - How to disable certain keys in virtual keyboard

How to disable certain keys (say number/symbol keys) in Android virtual keyboard? Specifically I want user ... standard android EditText widget. See Question&Answers more detail:os...

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

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463 views

1 answer

java - Why do I receive the error "This method must return a result of type ..."?

Can anyone see why I would receive the error "This method must return a result of type Card", when I clearly returns ... exist in hand"); } } } See Question&Answers more detail:os...

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

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495 views

1 answer

java - JTable change cell colors using TableCellRenderer

I am using a JTable in my GUI application as a grid to represent positions for a game. I want the cells of ... am still using JTable ? 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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571 views

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java - A unique identifier for cell phone other than IMEI or IMSI?

I'd like to have an unique identifier for a cell phone. Since there is not a particular way to find IMEI ... . Can anyone suggest a 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 - Could be Text orientation of JTextArea changed by keyboard shortcut?

A JTextArea has componenent orientation set to LEFT, so text is written from left to right. Sometimes, it ... orientation in a text area? See Question&Answers more detail:os...

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

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593 views

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java - How to wait for all threads (variable number of threads) to finish to move on with Main?

I will make many threads according to user input in a for loop. Therefore I won't be able to assign names for ... finished. How can I do 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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328 views

1 answer

java - Moving a view port over a larger image; JLablel+JScrollPane

I have a JScrollPane m_jScrollPane with a JLabel m_jlImage being displayed inside of it. The m_jlImage is a screen ... ().setValue(ratH); } See Question&Answers more detail:os...

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

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358 views

1 answer

java - How to create a topology in storm

We are new to storm. We don't know about how to create topology please help us to work with storm. We tried ... is present in the storm ui. See Question&Answers more detail:os...

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

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523 views

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java - How to display only "last 24 hours" from a "last 72 hours" JFreeChart TimeSeries

I wrote these 2 lines of code to create a chart using an XYDataset: final XYDataset dataset = new ... some clever but simple solution. See Question&Answers more detail:os...

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

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