Recent questions tagged Java

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I am trying to solve the coin change problem using a recursive approach. The problem goes like this: You are given ... it gets 0 it returns 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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java - SOAP - Very large XML response - OutOfMemoryError

First, this question looks like Very large SOAP response - Android- out of memory error subject. Because of my ... an idea ? Thanks, Dsandre 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 - jQuery autocomplete UI with servlet is not returning any data

I have been fiddling with this code fragment from past few hours but I am unable to understand how jQuery's ... use it in other places. 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 do I only download new files from a server?

I have a number of CSV files that I want to download from Yahoo finance each day. I want my application to ... Is JNI at all relevant 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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java - How to send/receive messages via bluetooth android studio

I am trying to create an app that allows a string to be sent from one Android phone to another. The code ... .activity_main); pairDevice(); } } 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 - Running a task in parallel to another task

I have the following Foo class that uses FooProcessor class. So what i want to do is, while running cp1 instance ... in parallel as well to cp1. 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 - PDFBox : Maintaining PDF structure when extracting text

I'm trying to extract text from a PDF which is full of tables. In some cases, a column is empty. When I extract ... from it ? Thank's a lot. 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 - Client Side sorting + Hibernate Paging?

I use GWT for UI and Hibernate/Spring for buisness-layer.Following GWT widget is used to display the records. ... column in the hibernate layer? 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 - Load Image from Jar: Always null

Looked at other posts on SO and they did not solve this issue. I'm trying to load an image from my jar ... as I've already checked that. 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 - XML to be validated against multiple xsd schemas

I'm writing the xsd and the code to validate, so I have great control here. I would like to have an upload ... a good single-xml-file 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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java - Formatting XML file using StAX

I am using StAX XML stream writer to write the XML file. It writes all the data in a single line. I want ... indented instead of a single line. 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 - JFreeChart different colors in different regions for the same dataSeries

In JFreeChart I'm trying to color different regions of an XY line chart/curve based on y value. I'm overriding ... .getItemPaint(row,col); } } 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 - Securing REST services in Jersey

I am very much new to web services. I have exposed some REST services using Jersey 2 in integration with Spring. ... how to proceed with 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 - Maven packaging images in the root of the jar file

Folks, I am developing a Java application using Eclipse. Maven is used to create the final jar file. In the ... for your help. Regards, Peter 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 - Convert Mainframe Binary to Ascii Using any Open Source Code or Tool

How can I convert a mainframe binary file (EBCDIC) having cobol copybook as record layout information to ASCII file ... API or Open source tool? See Question&Answers more detail:os...

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

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340 views

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java - Get MQ messageId in string format

I'm using the mq library of IBM to read messages from MQ queues. Now I need to retrieve the messageid ... -16") theMessage.messageId.toString() See Question&Answers more detail:os...

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

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235 views

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java - joda DateTime parser error

I use jodatime to parse date time strings as follows: public static void main(String[]args){ String s ="16 ... to parse the timezone properly? 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 - Running command using "exec" channel with JSch does not return any output

I am trying to execute a command on a Linux server using SSH from Android with JSch. As far as I know I am ... } } What am I missing 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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142 views

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java - Jersey Services with Tomcat and Eclipse

I'm developing a rest service with Jersey 2.0 (I downloaded from http://repo1.maven.org/maven2/org/glassfish/jersey/ ... .java:1547) ... 70 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 - How to get a form captcha image with Jsoup?

I am developing an application for my school website and I'm using jsoup for parsing the html. I'm ... on my website School Website 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 - Changing the code of the class from jar file

How can I read (load) the java class from jar file, add some code to the class and then put back to ... the array by extending the class? See Question&Answers more detail:os...

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

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130 views

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java - How to get SOAP headers

Here is the request <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http:// ... and why is null there? See Question&Answers more detail:os...

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

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489 views

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java - Apache POI. Copying sheets

I'm using apache poi to create an excel document. To create new sheet in workbook I write next code: Workbook wb ... method 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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185 views

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java - Access-Control-Allow-Origin in ajax call to jersey rest web services

I used jersey JAX-Rs as web service to query mysql.I try to consume the web-service via hybrid mobile application ... me. Thanks 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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367 views

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java - how to put a timer on a JLabel to update itself every second

I created a game and in my swing GUI interface I want to put a timer. The way I do this at the moment ... (1000, actionListener); timer.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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399 views

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java - How pass data from RecyclerView to activity

I need to pass data from recyclerView adapter to main activity on click on image of recyclerview. Can someone help? ... distance); }*/ } } See Question&Answers more detail:os...

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

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168 views

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java - Service does not restart after "Clear Memory" + appWidget crashes

I've built an appWidget which register some services on his onEnabled() method. The problem is that after I use ... "); service.stopSelf(); } See Question&Answers more detail:os...

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

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402 views

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java - Why is the Gujarati-Indian text not rendered correctly using Arial Unicode MS?

This is a follow-up on this question How to export fonts in Gujarati-Indian Language to pdf?, @amedee-van ... see Mike 'Pomax' Kamermans comment See Question&Answers more detail:os...

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

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