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
356
views
1
answer
dataframe - frequency count of a column based on two other columns
I am relatively new to r and I got the following problem, I hope you can help me with. I have a table with a ... me out on this. Thank you! :) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
411
views
1
answer
c - How do I determine the internal HWND used by COM in my current process?
I want to Post messages directly to the HWND that's owned by COM in my process. How do I get the ... using in single-threaded-apartment mode? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
391
views
1
answer
c# - Open Visual Studio 2008 Solution in Visual Studio 2013 without Upgrading
In short: I need to open an application originally built in Visual Studio 2008 (version 9) in Visual ... guidance will be greatly appreciated! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
370
views
1
answer
c++ - populating a string vector with tab delimited text
I'm very new to C++. I'm trying to populate a vector with elements from a tab delimited file. What is the easiest way to do that? Thanks! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
369
views
1
answer
Perfect matching in perl
I have a problem about perfect matching.I want to get the sum of positive and negative integers from a file . ... not print above the results. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
495
views
1
answer
php - how to insert the multi-select value in codeigniter
iam using codeigniter <select id="example-label" multiple="multiple"> <option value="option-1">Option 1</ ... to insert multi-select value See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
608
views
1
answer
How to upload arules package in R
I am not able to upload arules package Below is the following command I am using library(arules) I have downloaded ... . Can anyone help me out See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
292
views
1
answer
backtracking - Explanation of 8-Queen solution Java code.
I found a 8-Queen solution that I was able to compile and run in Eclipse. I believe this solution follows the backtracking ... ("|"); } } End. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
316
views
1
answer
java - Removing ASCII characters in a string with encoding
I have a byte array which is filled by a serial port event and code is shown below: private ... characters without using replace method? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
405
views
1
answer
java - Eclipse Error: "Unable to locate executable for jre7"
Eclipse keeps giving me the above error when trying to run my test class. JDK is properly installed and I've ... like this with other IDEs. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
670
views
1
answer
arrays - CodeSignal problem. I want to complete the code
I have the following problem. The function printMatrix Receive an matrix for example: matrix: [[0,1,1,2], ... something not a structure or union See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
433
views
1
answer
web - How can I do a countdown timer with html?
I'm helping my I.T teacher to create easter eggs for some tasks, and I would like to create a countdown ... I hope you will understand, thanks! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
353
views
1
answer
Print the contents of a multidimensional array php
I am trying to print the contents of a multidimensional array using a while loop. only the word "array" is displayed 4 times ... " "; $i++; } ?> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
399
views
1
answer
C error with Flex: type specifier missing?
Running the code below in iTerm2 bash. Code file was created using Vim. /* just like Unix wc */ %{ int chars = 0; ... this is a text ^D 1 4 15 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
365
views
1
answer
java - wait until current media finish playing before it play another in android
Here is my media player code in android. My problem is the loop plays all the files from the zipfolder without ... ; super.onDestroy(); } } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
353
views
1
answer
javascript - Using fetch with Passport gets "No 'Access-Control-Allow-Origin' header is present on the requested resource."
I am trying to put a button on my website which will let the user authorize access to his YouTube account. I am ... </script> </body> </html> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
391
views
1
answer
c# - How to set second label on InfoWindow xamarin map
I want to set second label in info window on xamarin map. I use this example. So exactly I want to set ... like a second Label on InfoWindow ? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
470
views
1
answer
swift - Fetch all children from database
In my app is tableview where i want to show all child of my customers. This is database structure: When ... Ben Smith and Tom Cruise)? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
456
views
1
answer
winapi - Dock/Anchor alternative in C++ for List Control
In .NET there are Anchor & Dock properties that can make the controls responsive whenever you resize the ... #endif // not APSTUDIO_INVOKED See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
398
views
1
answer
javascript - How to edit HTML (remove readonly) and type in input box using JS Executor?
This is the piece of HTML code on the particular page: <input size="24" autocomplete="off" id="sch-555-et ... , Java, Selenium, Maven and TestNg See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
404
views
1
answer
vb.net - Text File Handling in Visual Basic
I have a text file contains delimited records. 1243;jhhf';982u4k;9u2349;huf8 kij;9238u;98ur23;jfwf;03i24 I need ... Any clue ? expecting VB CODE See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
414
views
1
answer
Error while running spark-submit on python programs
I'm currently learning Apache-Spark and trying to run some sample python programs. Currently, I'm getting the below ... libexec/python/lib/pyspark.zip/pyspark/rdd.py", line 2596...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
389
views
1
answer
How to animate image circular in css
I want to rotate the image and animate accordingly, can someone help me out, below is the ... /0B92S5c2PO_OIeUZJU0g2dnY3S3c/view?usp=sharing See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
385
views
1
answer
matlab - define the prompted number is prime or not
i want a code to define the prompted number by user is prime or not . since it's an assignment i'm not ... prime ' message for 10 times . See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
885
views
1
answer
c# - How to get the response from the keyboard input in telegram bot?
I want to use custom keyboard to get the selected option. How to get the selected option ? Is there any ... Is there any solution for c#? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
508
views
1
answer
vb.net - Using variable in for next loop code
I have following code, My.Settings.h301 = TextBox301.Text My.Settings.h302 = TextBox302.Text My.Settings.h303 = ... next loop code. Thank you. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
370
views
1
answer
php - how to make if decision in swiftmailer to check if field is empty then do not send `td` to mail
I'm trying to send email(s) after submitting a form, I want to achieve: 1) If field is empty then no need ... ->addPart($content, 'text/html'); See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
446
views
1
answer
php ZipArchive count number of files inside archive
I have this code: $za = new ZipArchive(); $za->open($downloadlink); echo "Number of files inside Zip = Unknown"; ... list. How can i do that ? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
80
81
82
83
84
85
86
87
88
89
90
...
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] div内包括多行文本+图片溢出显示省略号进行收缩展开,要如何实现?(非纯文本的情况,v-html渲染)
[2] Restoring Expired Firebase Tables in BigQuery and Keeping Data Longer Than 60 Days
[3] 有没有大佬做过stripe支付?
[4] vue 系统实时更新未读消息数量,使用什么方法比较好?
[5] discord.js v12 | TypeError: Cannot read property 'send' of undefined
[6] antd中使用Mentions异步加载遇到的中文和大写英文无法渲染问题?
[7] How to format Java String with multiple padded segments
[8] visual studio - VS 2019 ClickOnce Publish Options Error - An item with the same key has already been added
[9] cordova - Error while getting native targets for android: No valid Android SDK root found
[10] monaco怎么对json文件添加语法提示?
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
...