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
540
views
1
answer
TypeError: only length-1 arrays can be converted to Python scalars while trying to exponentially fit data
f=np.loadtxt('Single Small Angle 1.txt',unpack=True,skiprows=2) g=np.loadtxt('Single Small Angle 5.txt', ... length-1 arrays can be converted to Python scalars Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
TypeError:
0
votes
86
views
1
answer
c# - How to change symbol for decimal point in double.ToString()?
I would like to change decimal point to another character in C#. I have a double variable value double value; and ... not comma as is in my culture is usual? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
325
views
1
answer
wpf - Calling a parameterized constructor from XAML
While using WPF I noticed that when I add a control to a XAML file, the default constructor is called. Is there a way to call a parameterized constructor? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
wpf
0
votes
230
views
1
answer
javascript - How can I get a specific parameter from location.search?
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
212
views
1
answer
How to manipulate images at the pixel level in C#
How do I manipulate images at the pixel level in C#? I need to be able to read/modify each bitmap ... values separately. A code sample would be appreciated. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
256
views
1
answer
html - How can I print background images in FF or IE?
Is there any way to set ff and ie to print background images? I am using stars image to classify some ... images with * or something that would be visible? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
64
views
1
answer
c# - SQL injection on INSERT
I have created a small survey web page on our company Intranet. This web page is not accessible from the outside. The ... can I guard against it using .NET 2.0? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
402
views
1
answer
c# - Virtual webcam input as byte stream
I dont have webcam. And I want to implement virtual webcam (or fake device driver may be) that would work as ... but I want to have byte stream as input. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
682
views
1
answer
java - AndroidRuntime error: Parcel: unable to marshal value
I am trying to pass a HashMap to a new activity using the intent.puExtra function. Stepping through the ... Your help will be much appreciated. Thanks! Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
245
views
1
answer
php - Laravel: PDOException: could not find driver
I am developing a website on a server I only have access to MySQL and FTP, so all commands I run are through the ... it? (I don't have access to root bash) Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
190
views
1
answer
c# - .Net regex: what is the word character w?
Simple question: What is the pattern for the word character w in c#, .net? My first thought was that it ... ? Is there a better (exact) definition available? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
503
views
1
answer
How to solve "Unresolved inclusion: <iostream>" in a C++ file in Eclipse CDT?
I download eclipse for c++ (cdt-master-8.0.2.zip). When I write: #include <iostream> It marks: Unresolved inclusion: <iostream> How can I fix it? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
68
views
1
answer
How do I set specific environment variables when debugging in Visual Studio?
On a class library project, I set the "Start Action" on the Debug tab of the project properties to "Start ... useful for other purposes too after all...)) Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
144
views
1
answer
How to call an external program in python and retrieve the output and return code?
How can I call an external program with a python script and retrieve the output and return code? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
468
views
1
answer
javascript - Wait for multiple promises to finish
I am using the SQLStorage from the Ionic platform. The remove function returns a promise. In my code I need to remove ... .storage.remove(key3); }); }); }; Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
473
views
1
answer
regex - Regular Expression Lookbehind doesn't work with quantifiers ('+' or '*')
I am trying to use lookbehinds in a regular expression and it doesn't seem to work as I expected. So, ... my regular expressions: http://gskinner.com/RegExr/ Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
regex
0
votes
333
views
1
answer
c# - How to convert datatable to json string using json.net?
How to convert datatable to json using json.net? Any suggestion... I ve downloaded the necessary binaries... Which ... but dont know where to get started.... Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
444
views
1
answer
Windows batch script to read an .ini file
I'm trying to read an .ini file with the following format: [SectionName] total=4 [ ... OtherSectionName followed by the total from AnotherSectionName. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Windows
0
votes
180
views
1
answer
android - Populate Listview from JSON
Does anyone know of any examples to dynamically load Json data into a ListView, most examples I have seen just use ... etc etc. Examples using Json please.... Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
1.5k
views
1
answer
web scraping - Reading dynamically generated web pages using python
I am trying to scrape a web site using python and beautiful soup. I encountered that in some sites, the image ... free to clarify if my question seems vague ! Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
web
0
votes
335
views
1
answer
How to select following sibling/XML tag using XPath
I have an HTML file (from Newegg) and their HTML is organized like below. All of the data in their specifications ... and is there an easier way of doing this? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
462
views
1
answer
python - Trailing slash triggers 404 in Flask path rule
I want to redirect any path under /users to a static app. The following view should capture these paths and ... >') def serve_client_app(path=None): return path Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
146
views
1
answer
sql - MySQL variable format for a "NOT IN" list of values
Going crazy trying to set a variable in a query of type: SET @idcamposexcluidos='817,803,495'; so i can ... It either returns an error or ignores the values. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
234
views
1
answer
c# - Built in .Net algorithm to round value to the nearest 10 interval
How to, in C# round any value to 10 interval? For example, if I have 11, I want it to return 10, if ... my projects, even for something as simple as the above. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
133
views
1
answer
c# - .NET Core 2.2 Can't be Selected In Visual Studio Build Framework
Previously, I was able to select the .NET Core 2.2 Framework in the properties section of the .NET Core ... .2 from here Any help is appreciated. Thanks! Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
261
views
1
answer
c++ - 😃 (and other Unicode characters) in identifiers not allowed by g++
I am ?? to find that I cannot use ?? as a valid identifier with g++ 4.7, even with the -fextended- ... build? And what kind of support do other compilers have? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
372
views
1
answer
What are the PowerShell equivalents of Bash's && and || operators?
In Bash I can easily do something like command1 && command2 || command3 which means to run command1 and if ... command3. What's the equivalent in PowerShell? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
315
views
1
answer
javascript - u200b (Zero width space) characters in my JS code. Where did they come from?
I am developing a front end of a web app using NetBeans IDE 7.0.1. Recently I had a very nasty bug, ... well-mannered. Any suggestions who messed up my code? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
Page:
« prev
1
...
422
423
424
425
426
427
428
429
430
431
432
...
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] js查找下一个字符串
[2] 【select】select组件使用options属性替代Option组件时,disabled属性如何设置?
[3] 如何对 antv g6 树图加入 skew扭曲 效果?
[4] layout 的入参类型定义是什么写法
[5] algorithmic trading - Split values separated by commas into variables in Python
[6] 利用window.location.href下载文件后,要如何返回原页面?
[7] node.js - Socket.io client unable to verify latest letsencrypt certificate
[8] git本地仓库特别混乱该怎么办?
[9] chrome调试工具和Firefox调试工具中关于[[Scopes]]的问题
[10] Google Workspace addon with BigQuery for usage recording
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
...