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
401
views
1
answer
c++ - when we write void variable like void *p ; cout<<&p; cout<<p; so it give two different address but why?
C++ output give two different address but why complier give two address instead of I am writing only one variable void * ... -variable-like-void-p-coutp-coutp-so-it-give-two-dif...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
397
views
1
answer
html - mat slide toggle is visible over mat-tooltip
.error_span .tooltiptext { visibility: hidden; width: 22vw; background-color: #FFFFFF; color: black; font-weight ... questions/66046225/mat-slide-toggle-is-visible-over-mat-tooltip...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
244
views
1
answer
sql server - Why can't my VS2019 C# application access a SQLLocalDB Database file when run from Windows Guest Account?
My C# desktop application when run from Windows Guest Account gives this error while accessing SQLLocalDB: "failed ... -sharp-application-access-a-sqllocaldb-database-file-when-r...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
1.0k
views
1
answer
django - Why allauth EmailAddress matching query does not exist?
I am using dj-rest-auth packages for auth functionality for APIs in my project. But with the login ... /questions/66046181/why-allauth-emailaddress-matching-query-does-not-exist...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
django
0
votes
468
views
1
answer
bash - How to sort array of strings by function in shell script
I have the following list of strings in shell script: something-7-5-2020.dump another-7-5-2020.dump anoter2-6- ... 66046178/how-to-sort-array-of-strings-by-function-in-shell-script...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
109
views
1
answer
android - NO FRAGMENTS found in the NAVIGATION EDITOR
Navigation Editor Though there are fragments present in the layout directory, none of it shows up in the ... com/questions/66046077/no-fragments-found-in-the-navigation-editor...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
109
views
1
answer
How to concatenation php array separated with comma
$data=['test','test2']; I try with $finalData = implode(',',$data); Actual result var_dump($finalData) ... /questions/66046060/how-to-concatenation-php-array-separated-with-comma...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
114
views
1
answer
laravelcollective - Can't seem to find a solution for this error in Laravel
Here is the error: syntax error, unexpected token "=>", expecting ")" And here is my code: {{Form::open ( ... /66046002/cant-seem-to-find-a-solution-for-this-error-in-laravel...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
laravelcollective
0
votes
172
views
1
answer
compilation - Compile from source - how to add a separately compiled dependency without doing make install
I want to compile a program from source. ./compile command reports a missing library. So I download the ... -source-how-to-add-a-separately-compiled-dependency-without-doing...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
compilation
0
votes
174
views
1
answer
javascript - How to query two collections that have a "one-to-many" relationship in MongoDB?
We have two collections: "houses" and "events". Each document in the houses collection contains an "events" field ... -collections-that-have-a-one-to-many-relationship-in-mongodb...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
283
views
1
answer
string - what is the difference between one length of char*/char[] and char in C?
char str[] = "a"; char ch = 'a'; speaking of the difference between the two, we all knowstr point to a memory ... -is-the-difference-between-one-length-of-char-char-and-char-in-c...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
string
0
votes
291
views
1
answer
command - In Bash, how to set stdout to a variable inside tee
Using Bash, I want to inspect the output on the terminal but at the same time feed that output to another command ... 66047064/in-bash-how-to-set-stdout-to-a-variable-inside-tee...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
command
0
votes
288
views
1
answer
Angular - print additional TDs inside a component table, based on header
i'm trying to build a semi-automatic table with angular 10: i can give to it an object of data, an ... /angular-print-additional-tds-inside-a-component-table-based-on-header...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Angular
0
votes
143
views
1
answer
Replace view SQL Server with public List<> in c#.net
I am building a c#.net web application which draws data from a SQL Server. I have a view in SQL Server ... questions/66047041/replace-view-sql-server-with-public-list-in-c-net...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Replace
0
votes
334
views
1
answer
Consistent PS2 prompt in zsh when editing multiline input?
When using PS1='>>> ' and PS2='... ', entering a multi line command looks like >>> for file in ... .com/questions/66046966/consistent-ps2-prompt-in-zsh-when-editing-multiline-input...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Consistent
0
votes
304
views
1
answer
android - Display MPAndroidChart to iTextPdf without activity
I am trying to add a stacked bar chart to pdf file using MPAndroidChart and itextpdf. But I ... .com/questions/66046938/display-mpandroidchart-to-itextpdf-without-activity...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
165
views
1
answer
c# - How to display model errors form web api in xamarin forms
I have a web api, mvc website and xamarin forms app (android and ios). I also have a class library to ... 66046906/how-to-display-model-errors-form-web-api-in-xamarin-forms...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
370
views
1
answer
android - Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR) in hwuiTask1
My Android app is crashing with the below error. I don't have much knowledge of native. My app is a digital ... /66046850/fatal-signal-11-sigsegv-code-1-segv-maperr-in-hwuitask1...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
500
views
1
answer
reactjs - Navigate to sibling Routes's Route without page reload in React router 6
Let me present my problem, I have two subdomains in the same react SPA codebase, say abc.domain.com and xyz. ... -to-sibling-routess-route-without-page-reload-in-react-router-6...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
reactjs
0
votes
443
views
1
answer
registry - How to set the default version of Chrome opened from run?
I have a windows 10 machine. I have installed multiple versions of Google Chrome on my machine. Stable Version Dev ... how-to-set-the-default-version-of-chrome-opened-from-run...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
registry
0
votes
377
views
1
answer
ggplot2 - Omitting NA values from ggplot when using multiple dataframes to plot multiple lines
My dataframes sometimes contain NA values. These were previously blanks, characters like 'BAD' or actual 'NA' ... from-ggplot-when-using-multiple-dataframes-to-plot-multiple-l...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ggplot2
0
votes
866
views
1
answer
xslt - How can I strip trailing full stop (period) from text nodes
if I have a text node with a trailing full stop (or period in US english) what expression can I use to strip ... /66046708/how-can-i-strip-trailing-full-stop-period-from-text-nodes...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
xslt
0
votes
348
views
1
answer
alibaba cloud - Failed to start gunicorn.service: Unit gunicorn.service is masked
I am trying to deploy django web application on alibabacloud everything seems to be working perfectly(running gunicorn ... to-start-gunicorn-service-unit-gunicorn-service-is-masked...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
alibaba
0
votes
210
views
1
answer
Does R have a way to say "do n times" without having to write a for loop with a redundant variable?
I recently wrote this line of code: for(i in seq_len(exponent)){out<-squareMat%*%out}. Clearly, i is never used and I ... -say-do-n-times-without-having-to-write-a-for-loop-with-a...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Does
0
votes
1.3k
views
1
answer
bootstrap 4 - Dotnetnuke 9 tooltip missing style
I want to create some fancy tooltips for a module in DotnetNuke 9.8.1 and took a look at https:/ ... https://stackoverflow.com/questions/66046477/dotnetnuke-9-tooltip-missing-style...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bootstrap
0
votes
154
views
1
answer
Django-Javascript - materialcss breaks javascript code when adding new elements to the body of html template
Well this is making my head spin... When I run the following code in a test environment without ... /django-javascript-materialcss-breaks-javascript-code-when-adding-new-elements...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Django-Javascript
0
votes
362
views
1
answer
xml - How to handle < and > in CDATA with xslt 1.0?
I have a problem with < and > in a CDATA section that is presented using xslt 1.0. Valid HTML-tags works fine ... com/questions/66046396/how-to-handle-and-in-cdata-with-xslt-1-0...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
xml
0
votes
166
views
1
answer
ios - Swift: Relationship between 3 Entities to store Waypoint Array
My question is about relationships between 3 entities... (Task, Waypoint, Airport) The goal is to save ... /66046349/swift-relationship-between-3-entities-to-store-waypoint-array...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
Page:
« prev
1
...
70
71
72
73
74
75
76
77
78
79
80
...
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] flex子元素,插入img设置高度100%,宽度超出
[2] css关于matrix2d变换的问题
[3] v-viewer 怎么加个下载功能
[4] Django自带测试服务器可以正常启动,使用uwsgi则报错
[5] 如何隐藏element 分页跳到最后一页的按钮?
[6] 问一个element-ui 分页组件的问题
[7] flutter - Collapsible SliverAppBar with no intermediate states
[8] 一个项目多版本独立部署前端vue该怎么组织?
[9] sapui5 - FlexibleColumnLayout navigation using reuse component to detail-detail-page (3rd column)
[10] ant-design-vue的a-modal嵌套一个a-modal或者confirm事件更改不了样式
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
...