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
266
views
1
answer
java - How to quote/escape identifiers such as column names with JDBC?
Different database servers use different ways to quote and escape identifiers. E.g. "foo bar" vs `foo bar` ... ? Or any alternative solution? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
214
views
1
answer
java - find in MongoCollection<Document>
I have a MongoCollection<Document> in which I assign a collection. I'm trying to find a user by ... the arguments (BasicDBObject, BasicDBObject) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
161
views
1
answer
java - Change boolean Values?
I have a question about boolean values in Java. Let's say I have a program like this: boolean test = false; ... me out that would be great. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
330
views
1
answer
java - Handling HTTP ContentEncoding "deflate"
What InputStream type should be used to handle URLConnection streams that have HTTP Content-Encoding set to ... handled by InflaterInputStream. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
318
views
1
answer
java - What is numeric promotion?
Can any one tell what is numeric promotion? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
284
views
1
answer
java - Why is the Bigdecimal(double d) construction still around?
I've noticed substantial pain over this constructor (even here on Stack Overflow). People use it even though the ... hear any views on this. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
192
views
1
answer
java - Why does @FunctionalInterface have a RUNTIME retention?
Said in Javadoc: If a type is annotated with this annotation type, compilers are required to generate an error ... enough, like for @Override. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
238
views
1
answer
java - Twitter date unparseable?
I want to convert the date string in a Twitter response to a Date object, but I always get a ParseException and I ... on Mac OS X. Cheers, Andi See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
295
views
1
answer
java - Why @Rule annotated fields in JUnit has to be public?
In JUnit test case, a field annotated by @Rule must be public. It breaks a common Java coding convention (all ... main/java/org/junit/Rule.java See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
190
views
1
answer
java - Unable to open the port by calling Native method from ITLSSPProc.dll
This is native method from ITLSSPProc.dll NOMANGLE int CCONV OpenSSPComPort (SSP_COMMAND * cmd); Here, SSP_COMMAND is ... is actual problem.. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
355
views
1
answer
java - bubble sort implementation on linked lists
I have to implement a BubbleSort algorithm on a Linked List instead of an array. I'm new to java so I don't ... (); list.display(); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
498
views
1
answer
java - How to display only the filename in a JavaFX TreeView?
So i have figured out how to get all the files and directories and add them to the treeview but it shows ... help would be 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
290
views
1
answer
java - How can i display pie chart in jsp page?
<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 ... this page? 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
262
views
1
answer
java - how can i resolve-oracle-11g-xe using eclipse
I am trying to make a sample JDBC program i which i have to create table but i am facing this issue i ... ojdbc14_g.jar file in my buildconfig. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
324
views
1
answer
java - DataFormatter on cell containing date renders two digits years
I needed to get cell data from Excel files as they look like and bumped to DataFormatter class of Apache PO. ... be any solutions for this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
118
views
1
answer
java - NullPointerException while using Android's mediaplayer
I have two button and it will play a sound to notify about right choice, or wrong one. This is how I do it: ... { playSuccess.release(); } }); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
275
views
1
answer
java - Struts 2 #{} giving compilation error in Netbeans 7.3
I'm using Netbeans 7.3 and I've created a maven Struts 2.3 project. Everything else seems fine, except when I ... to do with NB plugins AFAIK. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
262
views
1
answer
java - Base URL in Internet Explorer and JSP
Internet Explorer doesn't support HTML <base> tag and even other browsers do, there are some problems when redirect ... 'text/css'> </head> See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
627
views
1
answer
java - NoSuchMethodError: com.google.common.base.Preconditions.checkState(ZLjava/lang/String;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)V
Getting the following error: java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkState(ZLjava/lang/ ... a maven project See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
276
views
1
answer
java - Given the number of a Unicode code point, how can I obtain a String or CharSequence object for that character
I have seen Questions and Answers about obtaining the code point number of a Unicode character in Java. ... hardcoding the Unicode characters. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
335
views
1
answer
java - JSP download - application/octet-stream
I have a page in JSP that list some file that could be downloaded by a user. Thoses files are not on the local ... Dec 2009 18:52:18 GMT Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
416
views
1
answer
java - Exception in Application constructor when using JavaFX
I recently started learning JavaFX, and got this code from a book that is using JDK 9. When I ... .run(InvokeLaterDispatcher.java:96) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
155
views
1
answer
java - Connection pool on app engine with Cloud SQL
It sounds like the newer cloud SQL JDBC drivers for app engine (1) support connection pooling. Our app uses ... = com.mysql.jdbc.GoogleDriver. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
278
views
1
answer
java - Accessing kerberos secured WebHDFS without SPnego
I have a working application for managing HDFS using WebHDFS. I need to be able to do this on a Kerberos ... token).openConnection(url, token); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
637
views
1
answer
java - Multiple submit buttons in Struts 2 form tag
I'm trying to point a button in my form tag to a different action/action class than the form but it won't ... form that's already mapped to one? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
181
views
1
answer
java - Calculate running total in JTable
I need to populate a column in my JTable that computes a running total as is shown below. ID Name Position Salary Total ... ); } return c; } } 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 - Guava Cache, how to block access while doing removal
I have thread A, inserting a new element to Guava Cache, and because of the Size policy, the cache will evict ... while R is doing its job? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
312
views
1
answer
java - why a "" in the 0th index of an array on perfoaming a split() w/o delimiters?
public static void main(String[] args) { // TODO Auto-generated method stub String str="aaabbddaabbcc"; String[] ... index of the str2 array? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
Page:
« prev
1
...
244
245
246
247
248
249
250
251
252
253
254
...
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] Scale Y axis of matplotlib plot in jupyter notebook
[2] powershell - Does Visual Studio Code integrated terminal use a different profile or configuration from the one on my PC
[3] cors跨域前后段拆分遇到的问题,302
[4] Python, How to use lxml XPath?
[5] mongo array字段维护有限多少个
[6] 不同分辨率app启动广告图片尺寸拉伸变形,不拉伸边缘溢出如何解决?
[7] ES6继承问题
[8] 关于CentOS MongoDB自动重启的问题
[9] ipad的safari实现文件下载
[10] javascript - Check for duplicate entry with Google Sheet for specific columns
2.1m
questions
2.1m
answers
60
comments
56.9k
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
...