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
132
views
1
answer
php - Can't change configuration value at runtime, change doesn't save. Laravel 8
SettingController: public function index() { return view('backend.settings.index'); } public function update( ... -configuration-value-at-runtime-change-doesnt-save-laravel-8...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
523
views
1
answer
django - Docker "is not a valid port number or address:port pair."
I am new in docker. I want to run my django app on port 9000. After command docker-compose up I am ... questions/65644913/docker-is-not-a-valid-port-number-or-addressport-pair...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
django
0
votes
719
views
1
answer
django - Docker "is not a valid port number or address:port pair."
I am new in docker. I want to run my django app on port 9000. After command docker-compose up I am ... questions/65644913/docker-is-not-a-valid-port-number-or-addressport-pair...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
django
0
votes
154
views
1
answer
php - Can't change configuration value at runtime, change doesn't save. Laravel 8
SettingController: public function index() { return view('backend.settings.index'); } public function update( ... -configuration-value-at-runtime-change-doesnt-save-laravel-8...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
164
views
1
answer
java - Not able to access frontend pod in a kubernetes cluster
I started few microservices in a k8s cluster like eureka service discovery(using service object) server and few client ... /not-able-to-access-frontend-pod-in-a-kubernetes-cluster...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
313
views
1
answer
java - Spring boot application fails after start - An attempt was made to call a method that does not exist. The attempt was made from the following location
I'm new in Spring Boot, I'm trying to build a simple application with REST Api, and I'm getting this error ... -application-fails-after-start-an-attempt-was-made-to-call-a-method...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
503
views
0
answers
angular - How do I send select option value as parameter to the api?
how can I send the option values in a select as a parameter to the backend? I have implemented the following: <div ... /how-do-i-send-select-option-value-as-parameter-to-the-api...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
angular
0
votes
208
views
1
answer
mysql - SQL query with associated column
I have the following tables: Team id | abbreviated_name ---------------------- 1 | ATL 2 ... from:https://stackoverflow.com/questions/65896109/sql-query-with-associated-column...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
1.2k
views
1
answer
creating a list of object in groovy
Given the fallowing lists, I need to create a list mapping the items of the list: def list1=[math, ... stackoverflow.com/questions/65910817/creating-a-list-of-object-in-groovy...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
creating
0
votes
578
views
0
answers
pyspark - Why driver memory is not in my Spark context configuration?
When I run the following command: spark-submit --name "My app" --master "local[*]" --py-files main ... questions/65873182/why-driver-memory-is-not-in-my-spark-context-configuration...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
pyspark
0
votes
544
views
1
answer
filtering and sorting foreach loop by date (string) in php
My question is a bit coufusing , I got events in my database every event has it own start date and end date ... /65925474/filtering-and-sorting-foreach-loop-by-date-string-in-php...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
filtering
0
votes
204
views
1
answer
Simple .htaccess question (www to https gives error)
My .htaccess file does EXACTLY what I need it to do. The only problem is, if I try to surf to ... .com/questions/65913464/simple-htaccess-question-www-to-https-gives-error...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Simple
0
votes
254
views
1
answer
java - My table filter with javascript is not working
I'm doing a project on intellij with springboot and i have a dynamic table. I put a search box and add ... .com/questions/65942659/my-table-filter-with-javascript-is-not-working...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
295
views
1
answer
php - Laravel NotFoundHttpException on API
I have API URL like: http://example.com/api/driverAcceptOrder?id=bee74e39-ff38-46a6-9e5d- ... //stackoverflow.com/questions/65839805/laravel-notfoundhttpexception-on-api...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
289
views
1
answer
Delphi - reading the records of a database into a string grid
So how do you write the records of a database (from a TADOTable component) into a String grid? (the record's ... /delphi-reading-the-records-of-a-database-into-a-string-grid...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Delphi
0
votes
183
views
1
answer
r - Change object names using if()
I am stuck on a question for an assignment for a base R class. I need to use if() to change the ... from:https://stackoverflow.com/questions/65912614/change-object-names-using-if...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
291
views
1
answer
arduino - How to concatenate const char* to get another JSON via https
I'm trying to get JSON (YouTube Data API) multiple times after a response of JSON using ESP32 board with ArduinoJSON ... how-to-concatenate-const-char-to-get-another-json-via-https...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
arduino
0
votes
203
views
1
answer
python - Recursive function run on False condition returning None
This question already has answers here: question from:https://stackoverflow.com/questions/65914127/recursive-function-run-on-false-condition-returning-none...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
288
views
1
answer
list - why doesn't append in python work properly?
def get_next_state_for_x(list, next_state): final = [] state = list for g in range (len(next_state)): temp ... .com/questions/65893446/why-doesnt-append-in-python-work-properly...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
list
0
votes
367
views
1
answer
python - Discord.py Cogs : Extension is not defined
Hi in my code for a Python Discord bot i started to try some Cogs. But somehow when I run the ... /stackoverflow.com/questions/65889520/discord-py-cogs-extension-is-not-defined...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
302
views
1
answer
In Powershell Why might a foreach-object loop not let you retrieve individual values from an array?
This question already has answers here: question from:https://stackoverflow.com/questions/65929382/in-powershell-why-might-a-foreach-object-loop-not-let-you-retrieve-individual-va...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
In
0
votes
221
views
1
answer
Pandas Dictionary: How to return a key by matching an input value to multiple values assinged to a single key
I have a dicticionary where each key has multiple values.I'm trying to obtain the key from a dictionary by matching an ... to-return-a-key-by-matching-an-input-value-to-multiple-va...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Pandas
0
votes
466
views
1
answer
typescript - How to make TS automatically infer type arguments on mapped types?
Consider the following code (Playground): type Either<E, D> = ["error", E] | ["data", D] type ... /65851277/how-to-make-ts-automatically-infer-type-arguments-on-mapped-types...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
typescript
0
votes
303
views
1
answer
javascript - Node.js: how to resolve a circular dependency
I know this question has been asked multiple times, but my case is specific: I have three files, a ... com/questions/65835944/node-js-how-to-resolve-a-circular-dependency...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
381
views
1
answer
reactjs - Data obtained from Firebase Realtime Database in React Native using Hooks is not displayed on the screen
I started using Hooks in React Native recently and I'm trying to get the data from Firebase Realtime Database and ... -firebase-realtime-database-in-react-native-using-hooks-is-not...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
reactjs
0
votes
183
views
1
answer
java - Android - Using Muiltiple Navigation Graphs Is Not Working
I'm using the Google's solution for the fragment state problem of the BottomNavigationView and navigation ... 65876857/android-using-muiltiple-navigation-graphs-is-not-working...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
452
views
1
answer
data structures - Delete all the nodes from a doubly linked list that are smaller than a given value(java)
Closed. This question needs debugging details. It is not currently accepting answers. question from:https://stackoverflow. ... doubly-linked-list-that-are-smaller-than-a-given-val...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
data
0
votes
262
views
1
answer
dart - Flutter, what is the ":"?
This question already has answers here: question from:https://stackoverflow.com/questions/65652100/flutter-what-is-the...
asked
Mar 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
Page:
« prev
1
...
48
49
50
51
52
53
54
55
56
57
58
...
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] python - Iteratively saving outputs in a pandas dataframe
[2] php - CORS: header is present but "if" statement negates the header
[3] 小程序如何监听swiper的变化?
[4] 图像的多标签识别
[5] react项目修改tsconfig.json设置了paths别名报错
[6] How do I install external libraries for python plugins in programs like Joystick Gremlin?
[7] 这道题的算法是什么啊,怎么写呢?
[8] echarts 怎么给每一个series配置单独的barGap
[9] 请推荐一门能精确控制大量并发并行的编程语言或解决方案
[10] python - Winsorize dataframe columns per month while ignoring NaN's
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
...