Recent questions tagged JAVA

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java - How to adjust the position of [last/prev] [next/last] links of Display Tag in Struts 2

Here is my Struts code. I would like to know that how can I adjust the position of [last/prev] [next/last] links ... 2009</p> </body> </html> 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 - Apache beam windowing: consider late data but emit only one pane

I would like to emit a single pane when the watermark reaches x minutes past the end of the window ... the watermark passes the allowedLateness. 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 mail Base64 encoded string to image attachment

I have a base64 encoded string which is posted using JSON into a Spring form. data:image/png;base64, ... file using the ByteArrayDataSource ? 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 - SQL Syntax Error Exception when trying to insert row into table

Hi I am having trouble executing the following function without running into the following exception. I'm not sure why ... Source) ... 11 more 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 - iterator hasnext() returns true but next() throws NoSuchElementException

When I debugged my code I found that the hasNext() method of Iterator returned true, but the next() method threw ... } What am I getting 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 - Google Maps API v2 shows blank map

I have set up an Android Application in order to view some things on a Google Map. I used the Google Maps API ... 't think that is the issue. 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 - Android - SQLite - SELECT BETWEEN Date1 AND Date2

Mac OS-X Android Eclipse with ADT SQLite I'm new to creating Android Apps and Ive researched this heavily but I'm ... String date2 = "25/1/13" 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 - Disable Open button in JFileChooser?

I extended a JFileChooser and overrode the approveSelection method so that when a user chooses an invalid directory and ... .ERROR_MESSAGE); } } 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 - sorting array of type object using Arrays.sort() method

I know how to sort an array of objects using Arrays.sort() method in following way. Arrays.sort(array of ... could not find it. 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 - ViewPager page scaling issue with page transformer

Hi I'm developing an app where I'm using viewpager to make custom animation with viewpager transformer but the problem is ... setAlpha(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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362 views

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java - Why is my table not visible when it's in a JScrollPane?

I've been trying for hours, different things and searching everywhere for a solution, but I can not get my table in ... ; } } } } } } 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 - Converting int to byte in Android

Actually I need to transfer the integer value along with the bitmap via bluetooth.. Now my problem is I need to ... it's returning as 65535) 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 Arrays.asList with int array

Using java.util.Arrays.asList, why its shows different list size for int (Primitive type) and String array? a) ... size is 1. Please explain. 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

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java - How to maintain indentation if a paragraph takes new line in PdfPCell?

Some of my paragraph objects contain text that can be greater than the width of the cell in length. These ... this hasn't fixed the issue 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 - Get query from file in SPRING BOOT using @Query

I have a proyect that use to load queries this: @Query(value = SELECT_BY_USER_ID, nativeQuery = true) Employee ... I do? 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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364 views

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java - Confusion regarding the behaviour of the request object

I've been messing around with servlets and JSPs and I am a bit confused at something: I've made a ... appreciated! Thanking 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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java - Hibernate: Mapping custom column names in stored procedure named query

I currently have the following named query that wraps around a stored procedure:- <hibernate-mapping> <sql-query ... my final solution below. See Question&Answers more detail:os...

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

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398 views

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java - Modify JVM args from inside the JVM

Is there a way to modify the jvm args from inside of the jvm? Specifically, I want to be able to ... itself based on the retrieved config. See Question&Answers more detail:os...

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

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494 views

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java - EDT location with several JFrame window

I have a Swing JFrame. If I create a new JFrame in a new thread during the program execution where will be ... how should I solve my problem ? See Question&Answers more detail:os...

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

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563 views

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java - Error with selenium.WebElement.sendKeys()

I am putting together a small app to perform automated checkouts on a Magento site, using Selenium WebDriver in ... doing my build with Maven. See Question&Answers more detail:os...

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

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588 views

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java - Get latitude-longitude from URL Google Maps

I need a way to figure out the latitude, longitude of a place in google map provided its link. Alternatively, it ... , replace [dot] 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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440 views

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java - client side validation doubts

I have read from one of the blog, for security reasons, its suggested to do the input data validation ... building Java based web application See Question&Answers more detail:os...

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

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687 views

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java - How to access Map key in jsf datatable

I'm getting the error javax.el.PropertyNotFoundException: /member/apps/cms/edit.xhtml @228,49 value="#{props. ... value from my properties map? 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 - Can we define a non context-free grammar with ANTLR?

I'm pretty new to ANTLR4 and now I'm trying to undertand which kind of grammars we might define with it ... context-free grammar using ANTLR4? 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 - Boolean and == vs =

The language is Java. Given this: public static void main(String[] args) { Boolean b1 = true; Boolean b2 = ... ? Can you explain why? 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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800 views

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java - Strange Null pointer exception case: ternary conditional operator not working with string concatenation

StringBuffer sb=null; // Some more logic that conditionally assigns value to the StringBuffer // Prints Value=null ... ; How is this possible? See Question&Answers more detail:os...

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

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568 views

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java - TestNG report with customized error in place of stack trace, when my script fails

I am using Testng and selenium, if my script is fail then it shows the total stack trace in report but i ... message in place of stacktrace.. 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 - Android bluetooth connection doesn't close after application crash

i'm using SPP profile for connect to my device: Set<BluetoothDevice> devices = ba.getBondedDevices(); for( ... there is new Bluetooth stack) See Question&Answers more detail:os...

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

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