Recent questions tagged java

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java - Adding hours, minutes, seconds to SQL Date

Good Day! I have a problem with SQL Dates. I think the main problem is on the perspective of time. In my ... and endDate are java.sql.date types 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 private writeObject method of Serializable object called by object of ObjectOutputStream

When i run this demo it's call TestBean's writeObject method which is private How is it possible ? Here is ... input.defaultReadObject(); } } } 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 I can index the array starting from 1 instead of zero?

for (int i = 0; i < reports.length; i++) { Products[] products = reports[i].getDecisions; for (int j ... as expected, I also changed the j 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 - CipherInputStream and CipherOutputStream are not generating files

I have the following code. However the files b.xlsx and c.xlsx are of 0 bytes. Why is CipherOuputSteam not working? ... close(); cis.close(); } 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 - 3d point on circumference of a circle with a center, radius and normal vector

My question is similar to How to Make a Point Orbit a Line, 3D but the answer there didn't seem to solve my ... how do I find that same point? 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 - Corrupt form data: premature ending

I am trying to upload files using the FileReference class. Files >2MB all work correctly but files ... doFilter(ApplicationFilterChain.java:188) 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 - Any filter-like lambda operation which does not discard?

I basically would like to do something like: assertEquals(Arrays.asList(1,2,3).stream() .noDiscardingFilter(x -> x ... stuff I'm coming after. 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 - Insert hidden digest in pdf using iText library

I search a method for insert a digest (byte array or String) into PDF file using iText library (Java). ... must be exctracted for comparison. 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 - custom checkbox difficulty in android

how to modify this imageCheckBoxAdapter code in order to maintain status of checkBox when scrolled(that is all ... /TextView> </LinearLayout> 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 - Iterate over a large JSON Array with JSONPath

I have a simple Java app that needs to traverse a large JSON array (with around 20K items), and within each ... there a way to optimise 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 - Replace all special character except one

string = str.replaceAll("\W", " ") This replace all special character by " " (space). But I try to exclude dash ... Q: how do I make this work? 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 me - Schedule a BlackBerry application

I want to schedule my 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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java - Create folder and upload file using servlet

I have two web project that use tomcat..this is my directory structure.. webapps --project1 --WEB-INF -- ... help 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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java - Store HTML into MySQL database

I'm trying to store a String which contains HTML in a MySQL database using Longtext data type. But it always says "You ... );"); I'm 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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141 views

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java - Selenium Chromedriver - Open Chrome Normally

I am trying to login to a web application using Selenium and ChromeDriver. I am able to fill in the email and ... click(); Thread.sleep(10000); See Question&Answers more detail:os...

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

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232 views

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java - Android: associate a method to home button of smartphone

how can I associate a method to home button of smartphone? I want that checking this botton my Android app does ... can I solve this 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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java - Application works in debug / run from Eclipse, but .APK gives .classNotFoundException when parsing XML layout that contains a custom View

My application will debug and run perfectly fine on my target device (HTC Desire HD) when the ... or configuration information required. 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 - Largest palindrome product - euler project

I was trying to solve project Euler problem 4 which is: A palindromic number reads the same both ways. The largest ... } } return true; } } 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 - @Secured annotations not working in AspectJ Mode with Autoproxy

I'm trying to get my Spring MVC app to play nice with Spring @Secured annotations and AspectJ auto-proxying ... security for my 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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java - Have I implemented a n-tier application with MVC correctly?

Being pretty unfamiliar with design patterns and architecture, I'm having trouble explaining to others exactly how ... I stumbled upon. See Question&Answers more detail:os...

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

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395 views

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java - How to achieve jpeg lossless?

How to achieve jpeg-lossess in Java? ImageWriter writer = (ImageWriter) ImageIO.getImageWritersByFormatName("JPEG-LS") ... an sample please? See Question&Answers more detail:os...

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

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237 views

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java - AspectJ in Maven project, not working/weaving

I am trying get the AspectJ weaving working in a simple Maven project, and not sure where it is going wrong : when I ... (" IN 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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java - how to make ExpandableListView with JSON array

I want to make an ExpandableListView, which gets data from a response from server(JSON array) for its groups and ... my fault... 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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282 views

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java - Sending messages to a swing JTextArea from different places

I have a JTextArea always visible in my main app window (a Log if you like), and I want to use it to ... for changes, how can this be done? 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 - upload image to google cloud storage with an application android

I'm trying to upload an image to google cloud storage. I found an example like this https://github.com/ ... ? Any help will 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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210 views

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java - How do you get multiple resultset from a single CallableStatement?

When I call the stored proc from command line I get the following. CALL `events`.`get_event_by_id`(10) +---- ... results) Is it even 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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java - How do I update example to work with latest versions Jetty (9.1.0.RC2) and Jersey (2.7)?

I've been trying to follow this example (first hit on google for jersey + jetty) but with not much luck. At the ... .xml file. Do I need one? 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 make MySQL Connector/J working on android?

I've got a MySQL server running on a local Linux machine. I haven't been faced to any problems communicating ... from ? 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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