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
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 tagged C++
0
votes
227
views
1
answer
c++ - 2D Euclidean vector rotations
I have a euclidean vector a sitting at the coordinates (0, 1). I want to rotate a by 90 degrees (clockwise) ... how a vector is to be rotated? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
164
views
1
answer
c++ - Why is a = (a+b) - (b=a) a bad choice for swapping two integers?
I stumbled into this code for swapping two integers without using a temporary variable or the use of bitwise ... to swap two integers? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
401
views
1
answer
c++ - Is std::stoi actually safe to use?
I had a lovely conversation with someone about the downfalls of std::stoi. To put it bluntly, it uses std:: ... that exception when given "abc"? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
457
views
1
answer
c++ - What is the difference between QImage and QPixmap?
I do not understand what is the difference between QImage and QPixmap, they seem to offer the same functionality. ... should I use a QPixmap? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
186
views
1
answer
c++ - Fast implementation of Rolling hash
I need a Rolling hash to search for patterns in a file. (I am trying to use the Rabin-Karp string search ... in the right direction will help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
316
views
1
answer
c++ - Linking Statically with glibc and libstdc++
I'm writing a cross-platform application which is not GNU GPL compatible. The major problem I'm currently ... this cause issues with rtld? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
136
views
1
answer
c++ - How should I make function curry?
In C++14, what is a good way to curry functions or function objects? In particular, I have an overloaded function ... d) must be a valid call. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
149
views
1
answer
c++ - Boost and Python 3.x
How does boost.python deal with Python 3? Is it Python 2 only? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
317
views
1
answer
c++ - Base64 encoding and decoding with OpenSSL
I've been trying to figure out the openssl documentation for base64 decoding and encoding. I found some code ... compiled with the libraries. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
99
views
1
answer
c++ - How is asynchronous javascript interpreted and executed in Node.js?
I've been doing a lot of research into the core of Node.js lately, and I have some questions about the ... is interacting with any of this. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
146
views
1
answer
c++ - What is the meaning of auto main()->int?
I happened to come across the below code snippet in a video on C++11, where the author uses auto main()->int ... int" but didn't find any help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
235
views
1
answer
c++ - "Isolate" specific Row/Column/Diagonal from a 64-bit number
OK, let's consider a 64-bit number, with its bits forming a 8x8 table. E.g. 0 1 1 0 ... https://www.chessprogramming.org/Kindergarten_Bitboards See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
271
views
1
answer
c++ - How do I restrict a template class to certain built-in types?
This issue has been discussed a few times but all the solutions I have found either didn't work or were based ... Any ideas? Thanks in advance! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
816
views
1
answer
c++ - Examples or tutorials of using libjpeg-turbo's TurboJPEG
The instructions for libjpeg-turbo here describes the TurboJPEG API thus: "This API wraps libjpeg-turbo and provides an ... , so that does help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
354
views
1
answer
c++ - How to programmatically unplug & replug an arbitrary USB device?
I'm trying to fix a non-responsive USB device that's masquerading as a virtual COM port. Manual replugging ... of the unplug/replug cycle? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
253
views
1
answer
c++ - C++11 is_same type trait for templates
Is it possible to check that type T is an std::array of arbitrary type and size? I can check for a ... this (maybe not using is_same)? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
208
views
1
answer
c++ - How to use vector::push_back()` with a struct?
How can I push_back a struct into a vector? struct point { int x; int y; }; std::vector<point> a; a.push_back( ??? ); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
284
views
1
answer
c++ - CMake: How to pass preprocessor macros
How can I pass a macro to the preprocessor? For example, if I want to compile some part of my code because a ... , so how can I accomplish this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
435
views
1
answer
c++ - Unknown compiler version while compiling Boost with MSVC 14.0 (VS 2015)
I get "Unknown compiler version - please run configure tests and report the results" while attempting to compile ... the configure tests"? . See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
239
views
1
answer
c++ - How to find whether an element exists in std::map?
My use case: map<string, Car> cars; bool exists(const string& name) { // somehow I should find whether my MAP has a ... to do it in C++? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
155
views
1
answer
c++ - How to get a pointer from a reference?
There seems to be many relavent questions talking about pointer vs. reference, but I couldn't find what I ... most illustrative in this case. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
286
views
1
answer
c++ - At what point in the loop does integer overflow become undefined behavior?
This is an example to illustrate my question which involves some much more complicated code that I can't post here ... if they are different.) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
244
views
1
answer
c++ - Using continue in a switch statement
I want to jump from the middle of a switch statement, to the loop statement in the following code: while ( ... + differ on their behaviour here? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
339
views
1
answer
c++ - Calculating Binomial Coefficient (nCk) for large n & k
I just saw this question and have no idea how to solve it. can you please provide me with algorithms , C++ codes or ... 2 10 3 Output: 3 10 120 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
284
views
1
answer
c++ - Cycle through pixels with opencv
How would I be able to cycle through an image using opencv as if it were a 2d array to get the rgb ... over an iplimage for this operation? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
363
views
1
answer
c++ - How do I initialize a stl vector of objects who themselves have non-trivial constructors?
suppose I have the following class: class MyInteger { private: int n_; public: MyInteger(int n) : n_(n) {}; // ... and can't find in the web. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
124
views
1
answer
c++ - How far to go with a strongly typed language?
Let's say I am writing an API, and one of my functions take a parameter that represents a channel, and ... know your comments and alternatives. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
209
views
1
answer
c++ - Confusion about threads launched by std::async with std::launch::async parameter
I am a little bit confused by the std::async function. The specification says: asynchronous operation being executed ... that supposed to mean? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
220
221
222
223
224
225
226
227
228
229
230
...
568
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] docker-compose up 镜像失败,报错网络错误
[2] java - Where is AOSP surfaceflinger initiated?
[3] vue3.0 变成createApp 国际化i18n改如何引入使用
[4] javascript - Containers overlapping when size of window is small
[5] 存入数据库时富文本的图片存地址还是base64?
[6] What is the H2 default jdbc url in micronaut
[7] c# - ASP.NET MVC AJAX Call to Controller Not Returning any Data
[8] python - dynamic forecast adjustment on error testing
[9] rest - Calling a web service not from same origin with Web Assembly
[10] Error code 7B73D32B when trying to update staged rollout to 100.0 on new Google Play Console
2.1m
questions
2.1m
answers
60
comments
56.9k
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
...