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 a selected answer
0
votes
667
views
1
answer
python - Plotting polynomial with given coefficients
I'm trying to plot a polynomial with coefficients given in array: input: [an,a(n-1),...,a0] output: plot ... . 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
623
views
1
answer
html - Buttons are not appearing at top right
I just want to show my buttons at top right corner of the screen. I tried a lot to do so and Google it too. I ... form> </div> </div> </div> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
763
views
1
answer
ios - Swift 3 Unrecognized selector sent to instance UIButton
I get this error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UITouchesEvent text] ... know what's wrong. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
796
views
1
answer
ggplot2 - How to add linear model results (adj-r squared, slope and p-value) onto regression plot in r
Hi I have created a linear model and a regression plot - However, I would like to have the model results on the ... (£)") + ggtitle("Title") See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
579
views
1
answer
linux - how to remove an array element correctly in a for loop
NOTE: a permanent copy of this text is available on https://bpaste.net/raw/20a08beae676 this is intended as a self- ... is useless since the for loop evaluates i instead as it...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
748
views
1
answer
Alternative to glob php
I'm looking an alternative function to glob. I got this and it work perfectly. <?php $tipof = 'FACTURA' ... -A106-8694-20171019.pdf Thanks! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
627
views
1
answer
c# - The *Design.cs file will reset automatically and delete the manually writed codes?
I need change the some Initialized control values, as below: this.lblName.Top = 10; this.lblFamily.Top = this.lblName. ... in *.cs[Design] tab? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
714
views
1
answer
I need to add a text value to an self closing empty tag, using XSLT
Please see the below XML. In the XML the name element is a self closing empty tag. I need to add a ... to achieve this requirement. Thanks, See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
636
views
1
answer
struct - How to correctly iterate all records of a multi-level depth structure in Rust?
I would like to know how to iterate correctly in Rust all results contained in a data structure arranged like this: struct ... ]} ]} ]} ]}; See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
683
views
1
answer
how to disable controls of master page used in content page while processing some event in asp.net
The following code works fine for disabling content page controls, but how do I disable master page controls? public void ... !isEnable; } } } } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
611
views
1
answer
linux - Find rows with the same value in a column in two files
I've got two files (millions of columns) File1.txt, ~4k rows some_key1 some_text1 some_key2 some_text2 ... some_keyn ... }' file1.txt file2.txt See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
698
views
1
answer
string - C for loop not working
#include <stdio.h> char str[5][10]={"asdasdasd", "", "", "qweqweqwe", "asdasdasd"}; int main (){ change (4, ... and [r2][c2+1] is still empty. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
596
views
1
answer
python - How to convert CSV file to a specific JSON format with nested objects?
I want to populate my json message with data from a CSV file. I want each row to be a "new" json object. ... record should be a new json object. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
553
views
1
answer
java - Print all permutation of length k that can be formed from a set of n characters?
public class PrintStrLenK { public static void main(String[] args){ int k = 2; char[] set = {'0', '1'} ... for a solution it's ok. Thanks See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
644
views
1
answer
for loop - Swift 4 need help to make triangle using (*)
swift4 to make triangle tree using stars(*) and its need to look a pine tree, I tried with the below code but ... print (empty); } Now, Expected See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
612
views
1
answer
php - Storing data, in arranged sequence into mysql
I asked random question to student & stored his answers using his session id into mysql & than extracted the same way ... ()."'", $con); See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
726
views
1
answer
pdf - Where is an error in this PHP code?
I have PHP code that convert PDF files to text files.For this task I installed an external library using the composer in ... pdf') ->text(); ?> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
665
views
1
answer
php - Contact us mail error
My html coding for the contact form html page and below that is the php code <form name="form1" method="post ... but not working in the website See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
722
views
1
answer
python - How to loop in the opposite order?
I am a beginner programmer. Here is my code: n = int(input()) from math import* for i in range(n): print(n ... . . . 9 0.9542425094393249 10 1.0 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
714
views
1
answer
ios - Expected ':' Lexical or Preprocessor error
Well this should be a pretty quick and easy question. I am creating a scrollview and i have it all done, but ... , 900)]]; //expected identifier See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
691
views
1
answer
class - Difference between “::” “.” and “->” in c++
I have found the class Kwadrat. The author used three types of operator ::, . and ->. The arrow is the one ... kwadrat->val3<<endl; return 0; } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
871
views
1
answer
c++ - windows/System32 or windows/SysWOW64
I have a 32 bit application. How correctly (officially) to find out which folder to install the application, ... client needed - Windows XP. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
628
views
1
answer
c - What is the result of calling return in a non-void function after calling a function returning int?
UPDATE 2018: This was an old question I wrote with reduced understanding of C. Please refrain from downvoting. ... http://ideone.com/fAxnNn See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
741
views
1
answer
java - Make a page wait for 15 minutes
I want to make a page wait for 15 minutes but neither Thread.sleep or Web driver wait seems to be working ... suggest a solution for my problem? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
515
views
1
answer
struct - Using functions in C, declaring a variable and using it in multiple functions
I want to make a linked list that is called from my main somewhere else. This linked list is made of nodes. ... if line, head is not recognized. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
631
views
1
answer
c++ - If in malloc object is not created then why does this code works?
An object is not created when we use malloc/free for a class in c++. Then why does this code works? If an ... ; return 0; } OUTPUT: Hello World See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
700
views
1
answer
Google Maps Android API - trigger touch event on map
I need a way to trigger/fire a map touch event programmatically. Is there any solution? Update 1: I have map ... this the map or laye listener. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
693
views
1
answer
ggplot2 - How to R present two colsums with ggplot stat_summary?
I think R designed tool for the taks is ggplot2 stat_summary so I rejected barplot because of the linked thread in the ... 3.1 OS: Debian 8.5 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
34
35
36
37
38
39
40
41
42
43
44
...
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] Count jsonb column where data is LIKE a sting in PostgreSQL 12
[2] python - While reading txt file lines. I can't "append list" or "update dictionary" why?
[3] 二维数组删除子元素
[4] sorting - Javascript: filter date data then reduce method does not work
[5] .eslintignore 怎么过滤多层级文件夹?
[6] Saving api secret keys to database django
[7] rxjs - Angular forkJoin Subscribe not firing
[8] flex布局时,flex-direction: column;且内部含有图片时shrink失效
[9] WebSocket 推送数据频率很高,页面停留时间稍长了就会响应慢问题
[10] es库的全文检索字段怎么搜索一个不分开的词组?
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
...