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)
Hot questions
0
votes
898
views
1
answer
Printing out unicode from Java code issue in windows console
I have got a problem with printing out a unicode symbol in the windows console. Here's the java code that prints ... " is name of the class) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Printing
0
votes
1.2k
views
1
answer
qt - SQLite accent-insensitive search
Is there any way to do an accent-insensitive LIKE query in SQLite? For example, this query: SELECT * FROM ... if it makes any difference. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
qt
0
votes
1.1k
views
1
answer
rust - Cannot use moved BufReader after for loop with bufreader.lines()
I'm trying to read some lines from a file, skipping the first few and printing the rest, but I keep getting ... not implement the `Copy` trait See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
rust
0
votes
838
views
1
answer
c++ - Print 2-D Array in clockwise expanding spiral from center
I have an guaranteed to be a perfect square matrix. I want to start at the center of the matrix in this case it ... 18 19 20 21 22 23 24 25 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
690
views
1
answer
clone - What is the use of cloneable interface in java?
What is the use of implementing a cloneable interface as it is a marker interface? I can always make ... actual purpose of cloneable interface? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
clone
0
votes
777
views
1
answer
javascript - Visual Studio Task Runner "SyntaxError: Use of const in strict mode."
Using Win10 Pro / VS2015 with a 'website' project (not asp.net, basic website) When attempt to save/ ... correct answer provided, thanks @baao) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
706
views
1
answer
.htaccess - How can I redirect to a different domain without changing the URL in the address bar?
I want to redirect from: domain1.com/photos To: domain2.com/photos I want the URL in the address bar to ... .com is currently completely blank. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
.htaccess
0
votes
460
views
1
answer
Is it possible to create a type in c++ that takes less than one byte of memory?
For my computation I only need to use 7-bit space so I am using a char type. However I wonder if it is ... uses less than one byte of memory? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Is
0
votes
627
views
1
answer
objective c - @property and @synthesize
I'm very new to Objective C. (Two days now). When read about @synthesize, it seemed to overlap with ... in your @implementation section? ) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
711
views
1
answer
broadcastreceiver - PendingIntent is not working on Android O
I have download notification in my application. I've added "Cancel" button to NotificationCompat.Builder by calling ... -filter> </receiver> See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
broadcastreceiver
0
votes
673
views
1
answer
java - How can I check that JButton is pressed? If the isEnable() is not work?
How can I check that JButton is pressed? I know that there is a method that its name is "isEnabled" So I try ... . Why does it occur like that? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
669
views
1
answer
javascript - How to increase width of underline for the multiline text when on hover
Fellow brothers in code, I am trying to achieve custom text-decoration: underline; effect for the multiline text ... . Will be looking forward. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
915
views
1
answer
selenium - Why should I ever use CSS selectors as opposed to XPath for automated testing?
Please help me understand why using CSS selectors are even an option for automated testing. I've been using the ... Please convince me. thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
selenium
0
votes
585
views
1
answer
python - Length of longest word in a list
What is the more pythonic way of getting the length of the longest word: len(max(words, key=len)) Or: max(len(w) ... in C code in this form?). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
656
views
1
answer
javascript - accessing a form that is in an iframe
I'm trying to get access to a form and its elements. The form is within an iframe and the javascript code ... are in the same domain) Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
630
views
1
answer
c++ - CPack: Exclude INSTALL commands from subdirectory (googletest directory)
I'm using CMake for a project and googletest for my test cases. Looking around the internet, it seems to ... disable these installs in CPack? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
685
views
1
answer
swift - How do you use the appropriate color class for the current platform?
I'm trying to share my Scene Kit code across iOS and OS X, but the API calls that accept colors (and ... in Swift without duplicating the code? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
627
views
1
answer
html - Do custom CSS properties use one leading dash or two?
#elem { -myCustom: 99; } OR #elem { --myCustom: 99; } I have seen both of the above used in ... getPropertyValue('-myCustom'); alert(value); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
963
views
1
answer
regex - Extract floating point numbers from a string in PHP
I would like to convert a string into floating numbers. For example 152.15 x 12.34 x 11mm into 152.15, 12 ... 152.15mmx12.34mm x 11mm Thank you. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
regex
0
votes
979
views
1
answer
swift - PNG/JPEG representation from CIImage always returns nil
I'm currently making a photo editing app. When a photo is selected by the user, it is automatically converted ... what code should be used. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
447
views
1
answer
java - Groovy: Create a Map with JAX-B Object's specific attributes
I have a sample LEDES XML file https://codebeautify.org/xmlviewer/cbdc79e7 Generted Ledesxmlebilling21 class ... .groovy:87) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
511
views
1
answer
Dynamic conversion of string into column name. MySQL
I have two tables: items and orders items -------------- id (int) | type_1 (int) | type_2 (int)| ... id=1, cannot be converted into column name. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Dynamic
0
votes
644
views
1
answer
java - How to make Struts radio tag create a vertical list of radio buttons
I'm using a struts radio tag that is being populated with a list of objects that have two fields: ... first object second object third object See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
769
views
1
answer
objective c - How to Get time difference in iPhone
I have 2 arrays with time values in it. They are in the following format. mm:ss:hundreds of a sec. I want ... negative number like -01:10:00 ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
723
views
1
answer
Java error "Value of local variable is not used"
I am really new to java (started learning 2 days ago). Sorry if this is a stupid question. I am trying to ... . Would be nice if someone helped. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Java
0
votes
565
views
1
answer
javascript numbers- immutable
I come from c# background where immutable is achieved with public get ,private set properties. I have read that ... I thought I couldn't? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
560
views
1
answer
javascript - How to detect if a point is in a Circle?
How can I test if a LatLng point is within the bounds of a circle? (Google Maps JavaScript v3) The getBounds() ... you'll get the wrong answer. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
579
views
1
answer
r - Compute the minimum of a pair of vectors
If I have a vector c(1,2,3) and another vector of the same length c(1,4,1) . Is there some way ... looping through them would take a long time. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
Page:
« prev
1
...
708
709
710
711
712
713
714
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-router 中无法获取vuex中的数据
[2] redis info 能不能具体到某一项的值
[3] 在Vue2的项目升级Vue3时,Vue.set(person, 'name', 'xxx') 需要用什么替代
[4] Rust 字符串相加第二个参数为什么要是&str
[5] el-tree怎样在每个父节点中统计出子节点的数量?
[6] 关于数组为空判断问题
[7] IDEA有什么功能可以分析Java中一个方法的最上层的调用方法
[8] reactjs - How to pass data after the state is set successfully
[9] create a named list element, if it doesnt exist already in R
[10] sql - How to create insert statements script from two tables
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
...