Recent questions tagged Java

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java - Why do I failed to read Excel 2007 using POI?

When I try to initialize a Workbook object I always get this error: The supplied data appears to be in ... be appreciated. 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 - How to transfer a Uri image from one activity to another?

In my app I need to transfer a Uri image from my first Activity to another. I know how to send a Bitmap ... Uri to a Bitmap then send 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 - Read a text file line by line into strings

How do I read the contents of a text file line by line into String without using a BufferedReader? For example ... the value of "greenGorilla". 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 - <h:graphicImage> is not getting refreshed in JSF

I would like to display a graphic image in a jsf web application from a xhtml file that's changing for each run. I am ... How do i 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 - Problem serializing and deserializing ArrayList

Anytime I try to serialize a file I get the error: FileNotFound. Not sure why. Here is my FileHelper code: package org ... out.println(e); } } } 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 - table not found with apache calcite

I am trying to do some basic things with calcite to understand the framework. I have setup a simple example ... project can be found on github 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 can I get jcifs to play nicely with apache axis

I need to connect Apache Axis 1.4 to a Webservice that uses NTLM authentication to restrict access to its ... that I have not considered? 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 - @AspectJ syntax for "after() : staticinitialization(*)"

I'm trying to implement a tracing aspect using the pertypewithin instantiation model. In this way, I'll be able ... . Is this possible? 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 - fill form programmatically in Android Webview - JavaScript

I'm trying to automatically fill a form from the website of my school. I've seen some ways to do with ... fill and submit the form correctly? 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 - Swing rate limiting

I have a long repaint operation that I would like to rate-limit, ie make sure it gets called once every N ... -started Timer is not documented). 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 - BFS traversal of all paths in graph using adjacency list

I am currently trying to traverse all paths from source to destination in a graph which uses adjacency matrix. I have been ... n); } } } } } 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 - Why lambda IntStream.anyMatch() is 10 slower than naive implementation?

I was recently profiling my code and found one interesting bottleneck in it. Here is benchmark : @BenchmarkMode(Mode. ... some issue with 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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java - In Swing, how to apply KeyListener on no specific component

Generally we apply the Key Listener on specific components like text field, password fields, etc. But I would like ... to be applicable to all. See Question&Answers more detail:os...

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

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866 views

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java - How can I add a password to this JDBC:ODBC connection string that is trying to connect to an MS Access database

This is the connection string that is currently working on a non-password protected MS Access database. this code ... (Non-ULS)? 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 - How do I make this panel zoom toward the middle of the panel?

I have a JPanel with the code here. I want the panel to zoom in towards the center of what's in the panel ... mouseClicked(MouseEvent e) { } } } 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 and Eclipse problem - looking for resources

I have a problem, that maven is looking for resources inside of Eclipse installation folder. It is saying: This ... it is posted here down. 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 - NullPointerException On Android.os.Bundle

I have some problem with my code, when I need to transfer some data from one Activity to another one. First ... clearText(); Intent intent = new Intent( NewTransaction.this, View...

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

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879 views

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java - Program type already present com.google.gson.FieldAttributes

My android app refuses to build with the following error: Program type already present: com.google.gson. ... .github.GrenderG:Prefs dependency 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 - Why does this code sample produce a memory leak?

In the university we were given the following code sample and we were being told, that there is a memory leak when running ... * size+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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876 views

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java - How to upload a file by transfering the file from the local machine to the remote web server using Selenium Grid

File Upload with a Selenium Grid: Code import java.net.MalformedURLException; import java.net.URL; import java. ... Debug: Debug with Firefox 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 - Cannot read configmap with name: [xx] in namespace ['default'] Ignoring

New to k8s. Trying to read values from profile based config map. My configmap exists in default namespace. ... someone share some inputs 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 - JPA/EclipseLink - Retrieve Columns Names

I'm trying to update my knowledge in Java, since I last used in when it was in 1.4.X version... I'm ... an already done method... TIA, Bob 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 scroll with Appium 1.7.1 using TouchAction

I'm having trouble with scrolling down to a certain element in an iOS and Android app. Since the update from ... Maybe someone can explain 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 - Jackson json two way object reference

I have a pair of objects like public class Obj1 { public int id; public String name; public Obj2 obj2; } public ... this to behave as I expect? 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 - Send meeting invitation mail over Google app engine

i want to send iCalendar meeting invitations. I am using Google App engine, Java. I managed to send a ... .com END:VEVENT END:VCALENDAR See Question&Answers more detail:os...

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

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916 views

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java - Monitor text that is highlighted

This is more of a hypothetical question, I'm brainstorming some ideas for a project that I'm planning, ... this would be greatly 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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819 views

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java - Is it possible jtable row in optionDialog box

I have a jtable. Some of the cells contain very long strings and trying to scroll left and right through it ... suggestions for how to 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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779 views

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java - Setting upper and lower date limits to date picker dialog

I have created an activity in which there is a field for inserting birth date of the user. I have used a date ... fixed! What is to 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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