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
No answer
No selected answer
No upvoted answer
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 without a selected answer
0
votes
341
views
1
answer
sql - Update the column according to order status
INPUT: CUSTOMER_NAME ORDER_ID STATUS ---------------------------------------- ... COMPLETED krish AWAITING SUBMISSION smith AWAITING PROGRESS See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
225
views
1
answer
How to fix NullPointerException in Java?
I'm creating a math program that asks the user how many digits they'd like to use, then asks them what ... ) correctAnswers++; } } } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
386
views
1
answer
php - Querying comma separated field?
I am trying to output a select dropdown options based on a comma separated field where if the user has been ... etc is in the usergrouplocid. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
294
views
1
answer
forms - How do global variable work in javascript (callback)?
Usually, defining a variable outside functions is enough to let it be "global". In my case, however, situation ... this way is not enough? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
540
views
1
answer
c# - How to change display format of long variable?
I have a variable of type Long i.e. long quantity=1000; I want to display it like 1,000 in ... .tempProductListQuantity) .Title("Quantity") See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
353
views
1
answer
php - Fatal error: Class 'AppController' not found
We got the error in cakephp 1.3.6. version.No idea why and how, please give your advice or solution. error: ... in cakephp 1.3.6. Thanks Ajay See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
276
views
1
answer
How to send a location from my app to other apps in swift?
I have a location in my app. I want to make a button that sends this location to other apps like google maps or waze. How can I do that? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
288
views
1
answer
python - Convert 2 lists into list of lists
I have 2 lists : x = ['a','b','c'] y = ['d','e','f'] I need a single list of lists : z = [[' ... using 2 for loops ? (I am very new to Python) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
361
views
1
answer
xml - XSLT ISO 8601 Time format
I have an XML where I get this attribute: Trans_dtmBookingStamp="Fri, 15 Nov, 2013 @ 3:20pm" I want to convert ... 2013-11-13T15:20:00+02:00 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
290
views
1
answer
go - Golang parse JSON returns 0
The JSON that I am at tempting to parse is very basic and looks like this. {"id": 3, "title":" ... JSON with lowercase titles as listed above. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
287
views
1
answer
jquery - Make information available when JavaScript disabled
is there a way I can make the content of the a webpage that utilizes jQuery/JavaScript viewable when ... SUPPORT JAVASCRIPT! </noscript> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
342
views
1
answer
python - Google Colab Notebook completely freezes when training a YOLO model
I am following a tutorial to train custom object detection model using YOLO. This is the tutorial and also ... fix this is appreciated. TIA See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
286
views
1
answer
Chrome extension, chrome extension communication
Below is my manifest.json: { "name": "My Extension Name", "version": "1.9.1", "manifest_version": 2, " ... www.mysite.com. How to achieve this? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
307
views
1
answer
Segmentation fault 11 because of a 40 MB array in C
I'm trying to code something in C on my mac, and I ran into a Segmentation Fault: 11. I've located the ... all the other questions out there.) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
432
views
1
answer
minecraft - java.lang.IllegalArgumentException: Plugin already initialized. What's going on?
When I'm testing my new plugin an exception keeps getting thrown: java.lang.IllegalArgumentException: Plugin already ... appreciated! Thank you! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
500
views
1
answer
angular - Rxjs catchError not working when subscribe after pipe
I have created an observable to consume an API Observable:- return this.http.post('/api/ApplicationUser/Login', loginDetails ... .log(err) }) ) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
316
views
1
answer
r - Extract numeric elements from a vector
I have a vector 'a' which has numeric and non-numeric elements. I want to extract the numeric elements from the ... elements 15 3 44 and 4 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
562
views
1
answer
C# arrays use of unassigned local variable
Here in this piece of code I'm trying to add random numbers between 0 to 9, to an array but when I'm ... but it does not talk about arrays. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
377
views
1
answer
sort json array by value jq bash
I want to sort below array based on groupId such that keys with smaller groupId come first in array. [ { "groupId ... , "upperThreshold": 44 } ] See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
282
views
1
answer
dictionary - How to read from a map in C++?
I have a map of std::map<int,float,float> m_mapWheelvalue; of 100 elements I need to read the values ... third value Please give proper solution See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
502
views
1
answer
mysql - java.sql.SQLException: Column Index out of range, 8 > 6
When I try retrieve the whole record and display it from database. Its showing an error java.sql.SQLException: Column Index ... </tr> <% } %> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
267
views
1
answer
jquery - Why isn't this AJAX call capturing the onChange event in Symfony?
I am trying to get this form to dynamically populate the select box with the related Posts once the Owner has ... Postdate * * @return DateTime */ public function getPostdate()...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
319
views
1
answer
android - How to disable home button programmatically?
I can't disable my phone's home button. I'm trying the following but it is not working: getWindow(). ... disable the home button within Android? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
312
views
1
answer
javascript - How to list all promisses
I am reading Promise.all() guide but not seems what I need, I need to do something as console.log(Promise. ... await all, or some selected ones. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
272
views
1
answer
visual studio 2010 - computing hashValue of a file
Small piece of code I wrote to list files in a dummy directory and then calculate the hash values. But when I pass ... ; end:; //getchar(); } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
325
views
1
answer
Batch command to find a replace string with line break
I have data that is mostly organized in a way that I can convert and import into a spreadsheet. But certain lines ... a CSV file and so on. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
363
views
1
answer
how to start WebLogic in Jdeveloper
I have just installed Jdeveloper and trying to start weblogic server using steps given at oracle site. https ... project imported in Jdeveloper. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
288
views
1
answer
visual studio - Unity UWP XAML build when deployed on Local Machine app button is not responding to Mouse Click
It is a 3d application using MRTK. The PC build is responding to Mouse Click. But in the UWP build for XAML ... Build Type: UWP- XAML project See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
130
131
132
133
134
135
136
137
138
139
140
...
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] redis stream 断网重新链接
[2] c - Keep getting segmentation fault while trying to write a program that breaks down a file into multiple JPGs
[3] angular - Ionic 5 pass value from Modal to Page
[4] java - RxJava synchronization
[5] 请问nodejs中writeFileSync生成的文本是乱码, 我应该从哪几个方便检查?
[6] linux - How to increase size of prefernce dialogue font?
[7] SQL Server Alert on Missing Stored Procedure
[8] 请问为什么我在游览器里输入JSON会得出对象值
[9] Zabbix 5.0 API method problem.get: how to get a list of unacknowledged problems?
[10] 代码如何,h5页面中,客户端请求静态页面,为什么得不到sessionId,弹出的是undefined
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
...