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
899
views
1
answer
c - Inexact float division
I were practicing some c programming when I saw this: #include <stdio.h> int main (void){ printf("result ... explain me why happens this? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
987
views
1
answer
Trying to run JavaScript from Python
I am trying to run the below script from Python. import execjs var request = require('request'); var apiHostName=' ... I am running Python 3.x. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
895
views
1
answer
c++ - Unroll a loop using a macro that has a goto and a label in it
This question is strictly related to the C or C++ language capabilities. I don't recommend the code below as ... the answer to the question. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
817
views
1
answer
java - A regex that doesn't match with this character sequence
Here is my Regex, I am trying to search all special characters so that I can escape them. ((|)|[|]|{|}| ... 't escape that part of the string? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
874
views
1
answer
scala - How can I access a method which return Option object?
I have to call method which returns Option[List[Obj]]. After I call I need to ... .github.com/shatestest/fdeaba767d78e171bb6c08b359fbd1bf See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
902
views
1
answer
C programs slow startup
Even a simple HelloWorld program is taking about 30 seconds to run. Is there a way to speed up the execution? I tried ... ("HELLO"); return 0; } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
804
views
1
answer
How to Remove texts between two Specific words of a string by JavaScript
How can I remove texts between two specific words of a string with JavaScript? For example: "Steven Peter ... word to another in JavaScript? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
845
views
1
answer
.net - List of classes in an assembly C#
I want to get the list of classes in an assembly, as an output i want a List[Interface] not a List[string ... : Could not load file or assembly" See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
923
views
1
answer
http - Html template use on golang
Sorry im beginner and i read golang.docs but didnt understand well. i`ve : index.html: <html> <head> < ... that page and show checkbox checked See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
801
views
1
answer
How to use a plist as persistent storage for iPhone app
how can we use plist as a database to store dates in iphone sdk show me some link to study the plist See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.1k
views
1
answer
java - How to reset Scanner?
I want to read a text file and put each line in a String (array of Strings). However that requires scanning ... of the code that is relevant. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
820
views
1
answer
javascript - What is `this` inside a Backbone model?
I'm learning some Backbone and I'm confused as to what this is inside of the model. Person = Backbone. ... inside of a javascript object? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
856
views
1
answer
regex - Extract numbers, letters, or punctuation from left side of string column in Python
Say I have the following data frame which comes from OCR has company_info column contains numbers, letters, or punctuation and ... 中国建筑与室内设计师网 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
803
views
1
answer
assembly - I don't understand why my program isn't working
I am trying to write a code that read and write text file with interrupt 21h. here is my code: IDEAL MODEL ... start Why does it not working?? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
903
views
1
answer
go - Passing closure as function's argument
From this example: https://gobyexample.com/closures If we change: fmt.Println(nextInt()) fmt.Println(nextInt()) ... . Why we have difference? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
862
views
1
answer
ios - how to pass the data to other UIViewcontroller in swift
I am developing a project using mvvm in swift3.And it is using without storyboard.So,how to give didSelectRowAt from tableview. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
794
views
1
answer
javascript - I need to send a request through JS to a php file via API
Help me please. There are two php files Data.php and Status.php. When you enter data in the zip field, you need to ... } else { echo 'error'; } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
823
views
1
answer
A simple form application with Perl
I have an error while developing simple sign up form application with Perl. This is my html. <html> <head> <meta ... How can I fix the problem ? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
876
views
1
answer
android - How to make POJO class for JSON
How should I make POJO class? Object may have unlimited array. This is my JSON, { "result": { "0": [{ "id": " ... : 1, "total_childs": 2 }] } } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
975
views
1
answer
Handle arithmetic operator in Java
I have four classes for handling math operations: Plus, Multiply, Divide, Minus my input is like this: 1, 2, ... without if-else or switch-case) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
904
views
1
answer
c# - How to create PictureBoxes with shapes based on a Picture
Problem: I have pictures of objects on a white background. I need PictureBoxes that do have the exact shape of ... objects look like a priori. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
939
views
1
answer
C:Pointer Arithmetic -How does it work?
I'm new to C programming and trying to understand how pointer arithmetic works. The below printf statement prints 2 when ... +2)); return 0; } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
765
views
1
answer
find max of second element of two dimension array in javascript
I have got an array called mark which is two dimensional as below and shows student id and mark: mark = [ [1,100], [1, ... [ [1,300], [2,250] ] See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
889
views
1
answer
ruby on rails - Parent and child class construction
I was just checking to see if I was writing my code correctly, for this checking class, and sure enough the checking ... / 365) ** 365 end end See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
892
views
1
answer
Undefined Variable PHP Error
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1- ... some links just for votes.Thank You. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
873
views
1
answer
c - How to make math logarithm functions in C99?
I'm finally back at building my functions, which is what I'm doing before making the actual BPML language. ... not relying on other functions. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
777
views
1
answer
javascript - Firebase: getting value of a child without knowing its key
How can I get the value of a child element without knowing the key of that child element? Example data ... advice 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
870
views
1
answer
php - How to add new input in register page laravel?
I want to add a new field on Laravel's register page that's store the new data in my database. still learning ... need help on this, Thank you See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
23
24
25
26
27
28
29
30
31
32
33
...
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] node.js - Mongoose throwing `Authentication failed`
[2] java - JsonNode to map a Json string to a description json file and return the description values
[3] Can't run tests for a controller doing Entity Framework Core operations in xUnit
[4] idea升级2020.3以后,编译插件以后提示“类文件具有错误的版本”
[5] flex lexer - why my lexical analyzer can not recognize numbers and ids and operators
[6] js 判断对象中为null的值并转换成 “”
[7] Two almost exact lists: If the column at the right have a specific value, then copy it at the left (excel)
[8] 接口返回的HTTP状态码为201,这个是怎么实现的?
[9] javascript - How to re-render component after update hash correctly with useEffect?
[10] azure - x5t JWT Thumbprint Python Conversion
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
...