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
489
views
1
answer
r - dplyr to calculate of prevalence of a variable in a condition
I am new in the dplyr world - so sorry if the question might sound simple, basically, I am interested in ... is what I wanted to have. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
435
views
1
answer
How to randomly generate ANSI colors in Bash/Perl?
I want to generate ANSI colors randomly. It needs two features. Generated randomly Choice to generate from a specific ... grey or only green. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
447
views
1
answer
How to convert class Array to XML file in C# dynamically?
I trying to setting up a Xml file whose data are in class array format. The Basic class format is OrderTemplate ... change in the above code? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
410
views
1
answer
Python Linked list minimum value
I am trying to find the minimum value in the list without having to use the min function and just by ... i traverse through the entire list See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
419
views
1
answer
c# - Return complex object from .Net core API
I'm using a .Net core backend with Entity Framework to retrieve objects to my angular2 frontend. As long as I ... : string; sorting: number; } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
408
views
1
answer
python - How do I return the number of unique digits in a positive integer
Example: unique_dig(123456) All unique 6 I'm trying to write code to have a function return how many unique numbers ... count[i] = count + 1 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
422
views
1
answer
android - How can i load a link in other browser from web view?
I am loading string value in my web view and i need when i click on the link shown in web view should open ... ></html>" webview.loaddata(html); 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
How can Opera-mini runs javascript only in the server instead the device?
I read that Opera mini browser can run JavaScript only in server (the code isn't run in the client, it's gets it ... . Anyone know how to do it? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
432
views
1
answer
java - How to Split text by Numbers and Group of words
Assuming I have a string containing - some comma separated string - and text my_string = "2 Marine Cargo 14,642 ... 's a number between them. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
406
views
1
answer
SQL Server 2012: How to display the @Var result inside a Case statement with literals before and after the @Var
SQL Server 2012: how to display the @Var result inside a Case statement with literals before and after the @Var? ... . What am I missing? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
443
views
1
answer
using only one button to play and pause a Mediaplayer in Android
I am new to Android, my requirement is to use only one button for playing and pause using media player class? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
547
views
1
answer
iphone - count no.of images
hi Guys I have worked on Application and I am trying to Count the No of images in my resource folder and display no ... how to do ? give me code See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
406
views
1
answer
java - What will be the output of String.substring(String.length)?
public class Str { public static void main(String[] args) { String str = "abcde"; String s = ... is not throwing the IndexOutOfBoundsException? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
429
views
1
answer
audio - Steganography in image
So far, I have opened the image in a hex editor and looked at the bytes. However, for the life of me ... nothing. Any help would be appreciated. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
396
views
1
answer
How would you write this code in C using arrays instead
void storeBSTNodes(Node* root, vector<Node*> &nodes) { if (root == NULL) return; storeBSTNodes(root->left, ... /convert-normal-bst-balanced-bst/ See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
475
views
1
answer
email - PHP @mail returning false
This code is not sending email, and I'm getting no errors to indicate why. How is one ... 7bit asdfasdf --7feeadcdbd29ed703423feb85438c14b-- See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
400
views
1
answer
android - How can i save Battery power using in writing app
In Android 4.4 kit-kat version I saw my writing app is using high battery power ... in my application ... battery power using in application. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
363
views
1
answer
C - How can a pointer overwrite a local const block of memory but not the global const block of memory?
Last time I asked how can I generate segmentation fault in a program by bypassing the compiler's promise of not overwriting ... ~20.04) 9.3.0. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
507
views
1
answer
INSERT row from another table using php PDO
I'm new to PDO and php. I want to move a row from one table to another with a link i send to the ... adstable and I'm not getting any errors. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
504
views
1
answer
ios - Get an iPhone UDID from Mobile Safari
I wanna get an iphone UDID in mobile safari,and I follow this Getting an iPhone UDID from Mobile Safari, however, I ... a "thank you" web page See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
435
views
1
answer
Applescript: number list of words according to their occurrence in the sequence
So I have this list of words: {"It", "was", "the", "best", "of", "times", "it", "was", "the" ... 4}, etc. Any help would 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
425
views
1
answer
java - how do you count the number of digits in an int?
I have been working hard to try and figure out a way to count the number of 2's or whatever digit you want to ... 4 because their is 4 3's. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
488
views
1
answer
python - Determine whether N is fibonacci or not, if not find the largest fibonacci number smaller than N
How can I determine whether a given number N is a fibonacci number or not, if that number is not a fibonacci ... from you guys. Thank You. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
650
views
1
answer
ejs - How to get sum from array using javascript?
var data =[ { name:"xyz", meals:[ {num:3.5},{num:4 },{num:6.5},{num:3} ], deposits:[ {date: ... of meals & deposits for every name or object. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
606
views
1
answer
php - Class query PDO property of non-object
I not understand my error because I'm sure to have an oject.Look my print_r below: Notice: Trying to get property of ... ($row); echo '</pre>'; See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
512
views
1
answer
python - How to insert duplicated values in dictionary?
I have dct = {'word1': 23, 'word2': 12, 'word1' : 7, 'word2':2} and I need to get list when ... any possibility to make it like this in Python? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
647
views
1
answer
Python Pygame Lighting for Pong
Hey Guys Im writing a little Pong-Game in Pygame and wanted to use a glowing-effect on the Ball and the ... with lighting? 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
446
views
1
answer
python - How to plot a math function from string?
I have a string which represents a function, like "x * (x - 32 ( 2 /x) )". I'm using matplotlib, but ... string into an array of points to plot. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
56
57
58
59
60
61
62
63
64
65
66
...
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] go的线程在实际中的实践?
[2] java hook 代码怎么写?
[3] 小程序这样写判断条件不行吗?
[4] dolphindb中有没有类似python中的shift函数 可以将矩阵整体往下移一行,第一行变成NAN?
[5] 使用js数组去重操作!
[6] git the meaning of term "remote branch"
[7] bind传参和直接传参的优先级如何?
[8] R: Split dataframe into columns and recombine to rows
[9] 关于react绑定事件,闭包传参内存泄漏问题
[10] 为何网页上显示的dom元素,放入闭包的数组中后,就会从页面上消失?
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
...