Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged java
0
votes
998
views
1
answer
java - Why Invalid conversion requested ERROR CODE: 17132?
I am trying to get last inserted row id while inserting using JDBC prepared statements. I have an auto increment ... PRIMARY KEY(MEETING_ID) ); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
359
views
1
answer
java - Creating a File from byte array
So - I've got a third party library that needs a File as input. I've got a byte array. I don't want ... byte array (without writing to disk)? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
345
views
1
answer
java - How to make JTable column contain checkboxes?
Preface: I am horrible with java, and worse with java ui components. I have found several different tutorials ... is greatly appreciated :) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
366
views
1
answer
java - JSF 2 : Is it possible to inherit @ManagedBean?
I have a Bean ,with a @ManagedBean annotation, defined like this : @ManagedBean @SessionScoped public class Bean ... a managed bean ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
547
views
1
answer
java - Eclipse doesn't find javax.swing
Eclipse cant find the import javax.swing.JOptionPane Where is it located and how can i include it? import javax.swing.JOptionPane; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
313
views
1
answer
java - When is there need for Some<E extends Some<E>> instead of Some<E extends Some>?
NOTE: This question is not Enum-related, so it's not duplicate. Enum's are forced to compare only-with-itself ... Animal with Cat, not itself. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
414
views
1
answer
java - Maven: lifecycle phase to run a program?
I can use Maven to compile and test a program mvn compile mvn test Is there a lifecycle command to simply run ... which will run the program? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
317
views
1
answer
java - Fabric/Crashlytics NoClassDefFoundError only on certain devices
I'm seeing a crash in Google Play related to Fabric/Crashlytics. This happened after I updated from ... .handleMessage(ActivityThread.java:1297) at android.os.Handler.dispatchM...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
381
views
1
answer
java - Difference between requestFocusInWindow() and grabFocus() in Swing
I would like to know the difference between requestFocusInWindow() and grabFocus() methods. Both of them work fine for grabbing ... ; } }); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
626
views
1
answer
java - Multi-Threading error when binding a StringProperty
I have a question about multi-threading and the binding of a StringProperty. I have a class CacheManager, ... help is greatly appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
394
views
1
answer
java - How do I remove white-space from the beginning of a string?
How do I remove white-space from the beginning of a string in Java without removing from the end? If ... whitespace value is reached. Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
408
views
1
answer
java - How to determine an incoming connection is from local machine
I have a SocketServer accepting incoming connections. For security reasons I should only allow local connections ( ... } Thanks, Mohsen See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
478
views
1
answer
java - checking if a point is inside a specified Rectangle
ok, so i'm doing an assignment for a Java class and one part of the assignment is to find out if a ... with some GUI or graphics programming. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
445
views
1
answer
java - Android - Can you update a Cursor for SQLite results?
One of my methods returns a Cursor from some SQLite query results. As I'm navigating through the cursor, there ... record ID from the cursor? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
409
views
1
answer
java - setTextViewText not updating widget
Shown below is a simplified version of my class. I am having trouble in the onReceive method which isn't updating ... (context, intent); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
521
views
1
answer
java - Load a font from JAR for FOP
I have a TTF font in fonts directory in the JAR with my application. myapp.jar / fop / config.xml font.ttf I ... in the PDF file I am rendering? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
401
views
1
answer
java - CardView setCardBackgroundColor won't work
I have made an adapter of CardView through the RecyclerView for me to use the same template of card for this ... (R.id.acad_year); status_icon = (ImageView) itemView.findViewById...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
677
views
1
answer
java - OpenGL is not supported by the video driver
When I use this code: import com.badlogic.gdx.backends.lwjgl.LwjglApplication; import com.badlogic.gdx.backends.lwjgl ... driver. any help? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
511
views
1
answer
java - How to convert JTextField to String and String to JTextField?
How to convert JTextField to String and String to JTextField in Java? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
306
views
1
answer
java - Is it possible to have hidden data for each item in the list?
JComponents can obtain hidden data using setName() and getName(), right? What about JComboBox items? (I'm referring to ... best way to do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
526
views
1
answer
java - Can't Select Home Directory for JDK because IntelliJ can't see it?
My system is Linux Mint 18.3 Cinnamon 64-bit. I've installed IntelliJ-IDEA and Default-jdk (openjdk-8-jdk) using ... sure what I'm doing wrong. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
447
views
1
answer
java - Android Alert Dialog unable to find view
I'm having trouble getting an AlertDialog to pass text back to the activity that calls it. It seems the issue ... string back to the activity? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
779
views
1
answer
java - The absolute uri: http://www.springsource.org/tags/form cannot be resolved in either web.xml or the jar files deployed with this application
Currently, I use a 'Maven' project where I put in my pom.xml the current dependencies to use Spring ... files deployed with this application See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
638
views
1
answer
java - How to encrypt zip file using zip4j
I want to create password protected ZIP: // Set the compression level parameters.setCompressionLevel(Zip4jConstants. ... file inside it See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
432
views
1
answer
java - Hashmap and hashtable in multithreaded environment
I am really confused on how these 2 collections behave in multithreaded environment. Hash table is synchronized ... value simultaneously right? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
419
views
1
answer
java - Does JPA/Hibernate save even when not calling persist
em.getTransaction().begin(); StringData sd = em.find(StringData.class, key); System.out.println("Old value: " ... on when something is saved? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
743
views
1
answer
java - AtomicBoolean vs Synchronized block, whats the difference
I am trying to understand the difference between the two following code blocks AtomicBoolean ab = new AtomicBoolean(false) ... ) they are safe?, See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
537
views
1
answer
java - Change focus to next component in JTable using TAB
JTable's default behavior is changing focus to next cell and I want to force it to move focus to next ... component instead of next cell? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
Page:
« prev
1
...
64
65
66
67
68
69
70
71
72
73
74
...
715
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] python - pyvisa, function viOpen not found
[2] 有没有做模拟渲染网站的快速解决方案?
[3] linq - string value can't accept it. Operator >= cannot be applied to operands of type string and datetime?
[4] Watchkit Sprite-kit App Performance Optimization
[5] 为什么说线程太多,cpu切换线程会浪费很多时间?
[6] excel - how can I create a global variable to reset value every time textbox value changes?
[7] ubuntu - MQTT Configuration File Mosquitto on Azure Ubunutu VM
[8] vue,store中维护的复杂对象被修改后,watch无法监听到
[9] 用PC Chrome打开响应式的网站,却显示的是移动端页面
[10] 一个VUE mounted和class动态加载的面试问题
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...