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 an upvoted answer
0
votes
168
views
1
answer
inheritance - Initializing subclass variable in Python
Here I have a sample code to test python class inheritence. Here , the base class is Person' and the ... call the main function main () See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
169
views
1
answer
c# - Like condition in MVC4 using lambda
Is there a way for me to do like condition just like query in MVC using lambda? I currently have: return ... make this into a like condition? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
177
views
1
answer
c++ - Qt: display window content on slow startup
It feels like this question has been asked about a hundred times before (e.g. here) but I haven't found a ... loop has not been started yet..) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
244
views
1
answer
ruby on rails - After adding controller in active admin resource , validations error cannot be shown
Previously i have form and show method in active admin resource. At that time validation errors shown in ... expiry_date filter :created_at end See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
204
views
1
answer
php - where to find "template" interfaces?
i wonder where one can find template interfaces. eg. i am creating these classes that implements iLog: ... iDatabase iErrorMessage etc. Thanks See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
169
views
1
answer
angularjs - $scope.$watch with filtered scopes as output
This question is based in the answer provided here I want to output the result from a lodash function applied to ... behind). Thanks in advance! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
246
views
1
answer
c# - Optional Parameters, No overload for 'Employee' matches delegate 'System.Func<Employee>
When trying to invoke a delegate which reference a function with optional parameter, iam getting No overload for ' ... new Employee(); } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
313
views
1
answer
windows - Get the text within a dialog box
What Windows API function can I use to get text within a dialog? For example, if I had the handle of an ... I get the displayed error message? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
236
views
1
answer
c# - I am not able to implement MouseUp, MouseDown and mouseMove Events in Xamarin Mobile applications
There is only valueChanged Event defined for Slider control, I need to develop mousedown,mouseup and Mousemove ... help is greatly appreciated. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
204
views
1
answer
grayscale - convert raw binary 8 bit unsigned file to 16 bit unsigned with the python imaging library
I have an image file that is a grayscale 8 bit unsigned integer raw binary file and I need to convert it to ... 16 bit range u2.tofile(saveFile) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
314
views
1
answer
c# - asp.net ListView sorting numerically
I have a list view which is bound to a DataTable source. The sorting works, kinda. For text is fine ... ("Position", SortDirection.Descending); See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
228
views
1
answer
asp.net - Can you use 2 'using' statements for both sqlconnection and sqldatareader?
Can you use 2 'using' statements like: using (SqlConnection ..) { using(SqlDataReader reader = new ... the constructor of the SqlDataReader See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
155
views
1
answer
javascript - Using MVC3 and JQuery to dynamically and mantain the DataAnnotations
I have a problem similar to this: Using MVC and JQuery to dynamically & consistently add values to a table , but ... Exist a way to do that? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
166
views
1
answer
bash - Moving files from one subdirectory to another
I tried moving files from one directory to another and didn't work. so I searched and found an answer that ... $filename";; esac done Thank you See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
317
views
1
answer
android - After add images to drawable "Cannot resolve symbol R" issue not going away after clean, rebuild etc
I can't find a way to add images to drawable folder without getting "Cannot resolve symbol R" issue. And once i ... am on Android Studio 2.1.1 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
193
views
1
answer
visual studio - Why is VS giving me Disassembly when I have the .Net debug symbols?
I'm trying to get to the bottom of an annoying problem with EventViewer, so I've hooked up an instance ... is, starting from the Disassembly? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
226
views
1
answer
In SQL Server bulk insert, how do I use higher ASCII characters for Field and Row terminators
I have a bulk insert that works on SQL Server 2000 that I'm trying to run on SQL Server 2008 R2, but it' ... (I have defaults on these columns). See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
210
views
1
answer
c# - Compare dd-mm-yyyy datetime
Problem I want to compare "dd-mm-yyyy" DateTime's without factoring in the time. Attempt I have tried comparing the ... ' and '23-JUN-2016'; See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
164
views
1
answer
php - Css and bootstrap in yii2
I'm quite new to Yii2 and I have created a layout page, but my CSS doesn't work fully. It only loads parts ... the other CSS files are all OK. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
238
views
1
answer
objective c - About Other linker flag“-ObjC”?
Description: 1. In my project(A),I define CountryInfo class in "CountryInfoLoader.h"; @interface CountryInfo : ... causes the above error? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
174
views
1
answer
php - How to position pernament div in custom place on page
I have problem with positiong div with content in custom place on page pernament way , that means div will be 20px of ... bold; } .invoice-signature span:child(1) { font-siz...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
245
views
1
answer
wpf - Concurrent Multi-Threading C#
I'm working on a WPF application with telerik controls. I'm using RadListBox which is bind to the collection. ... Kindly help on this issue. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
243
views
1
answer
git - Get commits of an item in one branch with TFS REST API
I am trying to get the history for one particular item in one particular branch in my git repository, using ... item in that particular branch? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
197
views
1
answer
php - Laravel 5.2 Avoiding public folder and open directly from root in localhost
The reason why I'm doing that is Laravel has the document root in a subdirectory is so that you don't ... valid solution. Thanks in advance. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
198
views
1
answer
Android : could not find org.spongycastle.util.io.pem.PemReader
I am using spongycastle in my android code. code is working fine in android 5 and android 6 but in android 4 its ... tell me how to handle it. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
157
views
1
answer
how to increment variable value by 1 for each record with php mysql LOAD DATA INFILE
I am trying to save an incrementing value for one of the columns using LOAD DATA INFILE method (csv data to ... ) or die(mysql_error()); See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
300
views
1
answer
c# - open wpf from winform throws object reference not set to an instance of
I have a WPF custom control and I needs to open it from WinForm. I have followed all steps mentioned in http: ... } } } Appreciate any support. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
355
views
1
answer
javascript - Execute a function after changing location.href
I want to call a function after redirecting the page. Inside my function I put a parameter which is an ID but ... if there's item_id exists } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
550
551
552
553
554
555
556
557
558
559
560
...
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++20 - Two-Step Compile for C++ Modules?
[2] Flutter里如何实现webview下拉刷新?
[3] javascript - FFMPEG stop live stream to Youtube
[4] numpy - Divide columns in array without loops
[5] React, HTML and JavaScript: Error: Maximum update depth exceeded
[6] colly:invalid memory address or nil pointer dereference
[7] Python-向pandas DataFrame添加一行
[8] 测试发布问题
[9] vue keepalive缓存首页 路由跳转 滚动条互相影响
[10] 提取域名后缀之前的部分
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
...