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
223
views
1
answer
c++ - Class with static members vs singleton
Isn't a class with only static members a kind of singleton design pattern? Is there any disadvantage of ... A detailed explanation would help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
405
views
1
answer
c++ - OpenCV's fitEllipse() sometimes returns completely wrong ellipses
My goal is to recognize all the shapes present in an image. The idea is: Extract contours Fit each contour with ... , ellipses); return 0; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
369
views
1
answer
c++ - Extract Translation and Rotation from Fundamental Matrix
I am trying to retrieve translation and rotation vectors from a computed fundamental Matrix. I do ... img546/189/bildschirmfoto20130110uy.png See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
787
views
1
answer
c++ - Converting a UINT32 value into a UINT8 array[4]
My question is how do you convert a UINT32 value to a UINT8 array[4] (C/C++) preferably in a manner ... to get back to where you started? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
329
views
1
answer
c++ - How to create delegate for QTreeWidget?
Here is what I'm trying to do (all parents and children must have a close button on the right, in ... about QItemDelegate's and similar stuff. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
228
views
1
answer
c++ - Can CMake generate a configure file?
I need the configure file to transpile from C++ to JS, I'm trying to use emscripten in a project. ... . but the configure file itself. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
460
views
1
answer
c++ - OpenCV - IplImage
What is IplImage in OpenCV? Can you just explain what is meant by it as a type? When should we use it? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
657
views
1
answer
c++ - gdb Could not find operator[]
double var1, var2; std::vector<double *> x; var1 = 1; var2 = 2; x.push_back(&var1); x.push_back(&var2); ... vector so I can access them in gdb? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
248
views
1
answer
c++ - how to copy char * into a string and vice-versa
If i pass a char * into a function. I want to then take that char * convert it to a std::string and ... see the changed value outside. thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
205
views
1
answer
c++ - gcc and clang implicitly instantiate template arguments during operator overload resolution
Consider this code: struct A; // incomplete type template<class T> struct D { T d; }; template <class T> ... the first case but not the second? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
152
views
1
answer
c++ - operator std::string() const?
Can somebody tell me what precisely operator std::string() stands for? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
228
views
1
answer
c++ - Get list of methods in class using clang
In common IDEs (pick one) you often have an outline view showing you the list of methods for a specific class ... in advance for your help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
369
views
1
answer
c++ - Capturing R6025 pure virtual call
I currently capture MiniDumps of unhandled exceptions using SetUnhandledExceptionFilter however at times I am getting "R6025: ... at that point. 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++ - Does standard C++11 guarantee that memory_order_seq_cst prevents StoreLoad reordering of non-atomic around an atomic?
Does standard C++11 guarantee that memory_order_seq_cst prevents StoreLoad reordering around an atomic operation ... same memory_order_seq_cst? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
709
views
1
answer
c++ - Parameter packs not expanded with '...'
I have this code: #include <iostream> using namespace std; int print(int i) { cout << endl << i; } ... use of the pass() function necessary? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
151
views
1
answer
c++ - Angle between 3 points?
Given points ABC, how could I find angle ABC? I'm making a feehand tool for a vector drawing application and to ... rs); return (int)rs; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
295
views
1
answer
c++ - How to tell a std::priority_queue to refresh its ordering?
I have a priority queue of pointers to a struct city. I modify the objects pointed by these pointers outside the ... printed :( return 0; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
455
views
1
answer
c++ - boost log to print source code file name and line number
I'm using Boost(1.55.0) Logging in my C++ application. I have been able to generate log of this format [ ... "A regular message"; return 0; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
158
views
1
answer
c++ - Is memory allocation in linux non-blocking?
I am curious to know if the allocating memory using a default new operator is a non-blocking operation. e.g. ... , but had trouble finding it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
687
views
1
answer
c++ - What is the advantage of strand in boost asio?
Studying boost asio and find out a class called "strand", as far as I understand. If there are only one ... we want the tasks become serialized? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
335
views
1
answer
c++ - how to change gcc compiler to c++11 on ubuntu
I use ubuntu 12.04 and the default gcc is 4.6.3. It is not accepting c++11 commands and is giving me ... gcc compiler that is c++11 compliant. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
306
views
1
answer
c++ - Create static array with variadic templates
There was an answer on stackoverflow (which I can't seem to find anymore) which demonstrated how a variadic ... with non-integral constants? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
345
views
1
answer
c++ - What does "use -D_SCL_SECURE_NO_WARNINGS" mean?
I've got an error trying to compile my curve compression program, error no C4996, function call with parameters ... reference to it online... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
405
views
1
answer
c++ - Pointer to class member as template parameter
Is it possible to have non-type template parameter which is actually a pointer to a class member? What I'm ... if anyone has can say otherwise. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
188
views
1
answer
c++ - Using auto in a lambda function
#include <vector> #include <algorithm> void foo( int ) { } int main() { std::vector< int > v( { 1,2 ... with the auto keyword doesn't work? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
389
views
1
answer
c++ - Class member function pointer
I'm trying to use a class function (interrupt service routine), void (ClassName::*fp)(void)=ClassName::FunctionName; ... me it's not possible. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
190
views
1
answer
c++ - Possible to trap write to address (x86 - linux)
I want to be able to detect when a write to memory address occurs -- for example by setting a callback ... application causes gdb to crash). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
245
views
1
answer
c++ - Avoid ground collision with Bullet
I'm trying to use Bullet physic engine to create a 3D world. I've got my character with a Capsule shape on ... . How can I avoid the problem? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
121
122
123
124
125
126
127
128
129
130
131
...
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] html - Is there any ways to target the individual data and put it in PHP session without overwriting it?
[2] 数组和对象处理
[3] Gui中project无法rename
[4] 【日期选择器】【Vue】 移动端有没有什么好的按周选择日期的日期选择器推荐
[5] js如何把拥有相同项的数组合并?
[6] Passing parameter to javascript function form HTML but using ejs
[7] java包名命名规则
[8] vscode打开设置 ctrl + , 失效怎么处理?
[9] flutter - SQFlite unable to insert into database on iOS 14.3
[10] java - Pyramid inside a rectangle pattern
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
...