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
796
views
1
answer
java - Jackson custom JsonSerializer - conditionally call default serializer
What I want is to use default BeanSerializer conditionally for my class's objects: class MyCustomSerializer ... ordinary bean Serialization? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.0k
views
1
answer
java - addr is of illegal length
I am checking whether the ipAddress is in Private Category or not. So I wrote this method below. And I am ... return ia.isSiteLocalAddress(); } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.2k
views
1
answer
java - Gradle task assembleDebug failed with exit code 1 (Runtime Exception)
while starting a flutter application on vs code i am getting the following errors. Launching libmain.dart on RMX1801 ... can this be solved? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.5k
views
1
answer
java - DPI of image extracted from PDF with pdfBox
I'm using java pdfBox library to validate single page pdf files with embedded images. I know that pdf file ... files) using pdfBox? Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
786
views
1
answer
java - How to register global databinding for LocalDate in spring mvc?
I'd like to use LocalDate as type in a Servlet created with spring-mvc. The users should be able to provide ... class is never called. But why? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
669
views
1
answer
java - How to update 2 JCombo Boxs
I have 2 Jcombo Boxs: which is combo1 and combo2 I choose combo1 and I can get information for combo2 but The ... wrong but I don't know where See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
938
views
1
answer
java - creating cell comments using HSSFClientAnchor in apache poi
Could someone please explain to me how to properly use the Anchors when creating cell comments? Mine ... chf.createRichTextString(message)); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
833
views
1
answer
java - JSF2.0 - Handling erroneous Ajax calls with Primefaces 3.0
I have a commandButton in my .xhtml page: <p:commandButton action="#{someone.doSomething()}" ajax="true" ... ? Any help appreciated, thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
764
views
1
answer
java - How do I use ASCIIFoldingFilter in my Lucene app?
I have a standard Lucene app which searches from an index. My index contains a lot of french terms and I' ... TokenFilter is being used? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
753
views
1
answer
java - How can I capture a long press on a Menu Item?
I have a typical menu and I'm wanting to set a onLongClickListener for one of the items. In other words, I want this ... (); return true; } }); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
783
views
1
answer
java - Failed to obtain JDBC Driver for MySQL under Tomcat environment
I've been trying to obtain the Driver class for JDBC connection to MySQL. The workstation is running on ... for the suggestions in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
824
views
1
answer
java - SocketException: socket closed
I am creating a Chat application with Java Sockets, and am getting the SocketException: socket closed when ... run(ServerBackEnd.java:159) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
658
views
1
answer
java - How to keep sysout and syserr streams from intermixing?
In my code base is the (very simplified) following: public static void main (String[] args) { ... JarRsrcLoader.main(JarRsrcLoader.java:56) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
597
views
1
answer
java - Image byte [] to response.outputStream in Grails leads to "Cannot forward after response has been committed"
In my Grails controller I have an image as byte []. I want to write this byte [] directly to the response. ... Exception e -> } } } } 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 - using volatile keyword
As i understand, if we declare a variable as volatile, then it will not be stored in the local cache. Whenever ... : 0 Thread 2 testValue : 0 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.0k
views
1
answer
java - Flutter https with self signed certificate
I am using flutter to connect with java java server implementation over https. I first tested it to be working using ... ${response.body}'); } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
639
views
1
answer
java - How can I get correct current date and time for android device while device is offline
I create an android app and in this app, users can save some tasks. Those tasks are saved in device and ... user change device time in purpose. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
748
views
1
answer
java - Initialize empty arraylists in Spring configuration?
I am learning Spring and I read the Spring in Action book. I wonder if you are supposed to inject an empty ... new ArrayList<Car>(); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
915
views
1
answer
java - how to get model attribute value in angularjs from spring controller
I have spring controller defined as @Controller public class TestController { private Logger logger = LoggerFactory ... in angularjs controller? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
644
views
1
answer
java - Gson deserialization - Trying to parse a JSON to an Object
I am trying to parse a JSON into an Object. There are two classes: User and Profile. User got an instance ... this with GSON? Thanks in advance See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
816
views
1
answer
java - Executor suitable for non thread-safe code
I am developing some code that will eventually be multithreaded, using a thread pool Executor. The tasks ... code implemented and debugged. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
750
views
1
answer
java - Application singleton use in Android
I have a facebook initialize sdk call and I need it to initialize the moment application is launched: I want to ... I make its onCreate() work? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
890
views
1
answer
java - Calculate age in Years, Months, Days, Hours, Minutes, and Seconds
I need to take a birthday entered by the user (preferably in dd/mm//yyyy format) and find their age, based on todays date ... pow(2,p)); } } } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.2k
views
1
answer
java - Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
Am new in android, trying to go to the next Activity through an Adapter, and i am using onBindViewHolder() with ... return itemList.size(); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
712
views
1
answer
java - Make multiple threads use and change the same variable
in my program I need to have multiple threads use and edit the same variable, but it doesn't seem to be ... times. Please help me, thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
804
views
1
answer
java 8 - Adding AnchorPanes to ScrollPanes Javafx 8
in JavaFX, when I add an AnchorPane that has a Label inside to a ScrollPane, the whole AnchorPane comes in a ... you ran into this issue before? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
688
views
1
answer
java - Generating excel documents programmatically
Has anyone used a Java based library for generating excel documents? Preferably support for 2003? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.1k
views
1
answer
java - Javafx button sending arguments to ActionEvent function
I'm learning how to use javafx, along with scenebuilder by creating a very basic calculator but I've come across a ... do that, what can I do? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
Page:
« prev
1
...
15
16
17
18
19
20
21
22
23
24
25
...
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] vue 精度丢失如何处理啊
[2] Sequelize.js - How to access associated in-memory items
[3] okhttp 链接websocket 报错 求解原因
[4] 自定义React Hooks如何封装成npm包
[5] vue-element-admin 如何设置三级路由,只显示一个子菜单
[6] python - valueError: invalid literal for int with base 16 b ' '
[7] 关于数组为空判断问题
[8] How can I get the information from "coordinates" and save it in a PHP variable?
[9] 看代码说结果,求解释
[10] java - How to make Spring5 WebFlux works with WebSocket?
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
...