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
Recent
Hot!
Most votes
Most answers
Most views
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
0
votes
274
views
1
answer
Reading MIFARE access cards data using android NFC
So here is the problem. I'm trying to read the data stored on my work access card using android NFC. ... .com/questions/65884465/reading-mifare-access-cards-data-using-android-nfc...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Reading
0
votes
69
views
1
answer
javascript - How do I set a certain number of options in select 2?
I need to make an analog of the size attribute in the Select2 plugin as in the default select. I can't find it in ... 65884459/how-do-i-set-a-certain-number-of-options-in-select-2...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
50
views
1
answer
android - How to get Retrofit 2 error from array body
My current response is {"response":"validation error","status":"failure","code":400,"errors":["You can not ... com/questions/65884433/how-to-get-retrofit-2-error-from-array-body...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
740
views
1
answer
geometry - Incorrect gl_FragDepth in raytraced sphere
I am raytracing a sphere in GLSL. The geometry is correct but the depth calculation is wrong. In ... stackoverflow.com/questions/65884386/incorrect-gl-fragdepth-in-raytraced-sphere...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
geometry
0
votes
1.2k
views
1
answer
sequelize.js - Remove cascade onDelete constraint from table using sequelize
I have a locations and devices table . Devices table have location id and this is how the model ... questions/65884172/remove-cascade-ondelete-constraint-from-table-using-sequelize...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sequelize.js
0
votes
126
views
1
answer
javascript - How to disable Mapbox's geocoder's suggestion click event
As you enter a search, the geocoder returns suggestions base on your input. If you are to click one of those suggestions, that location is ... ---------------------> <form i...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
253
views
1
answer
iis - PHP http code 0 unable to read custom headers
I have a php script which is being called in an angular project. I always get the response code as 0. I can ... com/questions/65884095/php-http-code-0-unable-to-read-custom-headers...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iis
0
votes
245
views
1
answer
r - How to make geom_path correspond to geom_beeswarm points
I've been trying to visualize the association of several characteristics in a small sample. Here is an example data: ... /how-to-make-geom-path-correspond-to-geom-beeswarm-points...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
176
views
1
answer
java - I can't catch InputMismatchException
Closed. This question is not reproducible or was caused by typos. It is not currently accepting ... //stackoverflow.com/questions/65884088/i-cant-catch-inputmismatchexception...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
317
views
1
answer
ReactJs: How to Reload/refresh/re-render component without using window.location.reload()
I want to reload/refresh/re-render my component but without using ???window.location.reload(). Is there any ... -to-reload-refresh-re-render-component-without-using-window-location...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ReactJs:
0
votes
737
views
1
answer
animation - flutter rotate only one character of my text
I am using WavyAnimatedTextKit() from the animated_text_kit package to write the word "BROKEN" on my app's ... questions/65884063/flutter-rotate-only-one-character-of-my-text...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
animation
0
votes
187
views
1
answer
java - What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super) while reading up on generics. Can someone explain to ... /why-list-super-number-is-ok-for-integer-and-long-type...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
77
views
1
answer
python - Django Rest Framework: router is not working
I have used DefaultRouter() and viewset. Here is the code from rest_framework import routers from .api import ... com/questions/65884000/django-rest-framework-router-is-not-working...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
326
views
1
answer
database - how to query between time in Date field in MongoDB
I have searched a lot but could not find any specific example related to this problem, so I am posting this ... /65884867/how-to-query-between-time-in-date-field-in-mongodb...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
115
views
1
answer
javascript - How do I return the response from an asynchronous call?
I have a function foo which makes an asynchronous request. How can I return the response/result from foo? I tried ... -can-i-get-an-array-of-links-outside-an-async-function...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
378
views
1
answer
azure - How can I get begin time and end time for the conversion result of stream audio?
I am using azure-speech to recognize audio stream, from speech_recognition_samples.cpp, from class RecognitionResult I only ... -end-time-for-the-conversion-result-of-stream-audio...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
azure
0
votes
273
views
1
answer
sql - Select Last Rows with Distinct Field
I have a table with the following schema: id itemid date some additional data 1 1000 10/12/2020 a 2 ... //stackoverflow.com/questions/65884751/select-last-rows-with-distinct-field...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
73
views
1
answer
c# - ASP.NET Core weird URL parsing. Single query string parameter
I want to pass a string parameter to an action. Acreated a method in the HomeController with the following ... /asp-net-core-weird-url-parsing-single-query-string-parameter...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
258
views
1
answer
javascript - When I store the function in a variable, it prints out a slightly different result? ("undefined" thrown in at the end)
I'm self-studying JavaScript and new to functions. I'm playing around with it and the results of one I made ... the-function-in-a-variable-it-prints-out-a-slightly-different-resu...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
337
views
1
answer
sql - Hardcoded date required instead of automated date minus 1
case when "DocDate"<=CAST(ADD_DAYS(CURRENT_DATE,-1) as date) then sum("TransValue") else 0 I need a ... questions/65884721/hardcoded-date-required-instead-of-automated-date-minus-1...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
218
views
1
answer
amazon web services - AWS Migration Options and Combinations
I studying for the AWS Architect Associate Exam. Just kind of confused on the tools needed to ... /stackoverflow.com/questions/65884686/aws-migration-options-and-combinations...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
amazon
0
votes
119
views
1
answer
php - Database Tables Get Mixed Up When Adding Data
I want to add crud features to my project, but I run in to a problem. I can add a post through ... .com/questions/65884664/database-tables-get-mixed-up-when-adding-data...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
199
views
1
answer
ruby - Bundler failing to install
I am trying to update bundler in a project. i updated rbenv ruby 2.6.6. Then i ran bundle install ... from:https://stackoverflow.com/questions/65884653/bundler-failing-to-install...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
212
views
1
answer
android - How To Implement Getfilter () On A Custom Adapter
I want recyclerview to display the data contained in my database. I'm confused about what to declare in ... /questions/65884631/how-to-implement-getfilter-on-a-custom-adapter...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
108
views
1
answer
python - How to solve UnicodeDecode error in django
I was making a project but I accidentally deleted the git changes. The files were all lost but fortunately i ... .com/questions/65884630/how-to-solve-unicodedecode-error-in-django...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
285
views
1
answer
java - How to get nested JSON by using Spring boot JPA from single Table based on category
I have a below table having entries in 1NF form. product_category column is haven redundant entries. Columns: ... using-spring-boot-jpa-from-single-table-based-on-categ...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
347
views
1
answer
reactjs - Having trouble while exporting component to PDF
I'm using html2canvas and jsPDF to export my component to multiple pdf pages. But there is something ... com/questions/65884521/having-trouble-while-exporting-component-to-pdf...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
reactjs
0
votes
104
views
1
answer
html - Backgound Image in div class
I want put background image with external CSS but image doesn't show. where I do wrong here ? Please ... https://stackoverflow.com/questions/65884519/backgound-image-in-div-class...
asked
Oct 7, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
Page:
« prev
1
...
222
223
224
225
226
227
228
229
230
231
232
...
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] c# - Marshal a struct containing pointer to array
[2] 浏览器对video的码率做了限制吗?
[3] okhttp 链接websocket 报错求解原因
[4] vue mian.js引入得样式和组件中的引入有什么区别
[5] 第三方跳转登录
[6] vue如何在绑定的元素前面或后面加字符串?
[7] js查找下一个字符串
[8] Spring源码 If a @Configuration class gets proxied 如何理解?
[9] php - Laravel 8 - Trusted Proxies. Confused between 'fideloper/TrustedProxy' and 'TrustProxies Middleware'
[10] 前后端数据交互,结构转换问题
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
Recent questions
...