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
966
views
1
answer
c++ - Make QtConcurrent::mapped work with lambdas
I am trying to use QtConcurrent::mapped into a QVector<QString>. I already tried a lot of methods, but it ... capturing variables in my code. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.0k
views
1
answer
c++ - Cannot open include file 'thread'
I'm trying to use a threaded function for a parallel loop in a C++ program but I can't include <thread> ... Toolset which is set to v100) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
689
views
1
answer
c++ - How to create a interface for serialization in Boost Serialization?
I am newbie and I want to implement an interface to force users to implement the serialize method. This method is ... do what I want? Thank you See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
786
views
1
answer
c++ - Does SFINAE apply to function bodies?
I have the following sample code: class Serializable {}; class MyData : public Serializable {}; void GetData( ... template won't be used? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
869
views
1
answer
c++ - Can I cause a compile error on "too few initializers"?
I am using an aggregate initializer to set up a block of static data for a unit test. I would like ... array initializers at compile-time? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.3k
views
1
answer
c++ - GCC compiler warning flag for zero variadic macro arguments
What is the compiler warning flag for zero variadic macro arguments in GCC (I am using GCC 5.3.0)? The ... is in charge of this warning. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.1k
views
1
answer
c++ - How to use the fmt library without getting "Undefined symbols for architecture x86_64"
I'm trying to use the fmt (https://github.com/fmtlib/fmt) formatting header library in my c++ project. ... . Any help would be appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.5k
views
1
answer
c++ - How to change the icon in taskbar using windows api
I am writing a small windows application. I want to create a installer using nsis script. I know how to ... be appreciated. 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
856
views
1
answer
c++ - Need for _Bool in C99?
I am reading a book on C. It says that C99 added a data type _Bool. It is basically an int but stores only 0 ... printf("TRUE"); 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
696
views
1
answer
c++ - Inline function prototype vs regular declaration vs prototype
What's the difference between inline function and then main like so: inline double cube(double side) { return side * ... side * side * side; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
848
views
1
answer
c++ - OpenMP reduction with template type
template <typename T, std::size_t N> static T sum(const std::array<T, N>& a) { T result; // type ... the context of C++/OpenMP specifications. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
838
views
1
answer
c++ - What is the functionality of munmap, mmap
When I try to study some piece of code that deals with FPGA, I came across with munmap, mmap. I go ... this function. What exactly this does? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
922
views
1
answer
c++ - Qt - circles for collision detection
I've been working on a physics simulation with circles in Qt. Thus far the easiest way to define circles I ... ; painter->drawEllipse(rec); } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.4k
views
1
answer
c++ - How to link ws2_32 in Clion
I am using Clion, which uses MinGW and Cmake. When I try to use the standalone asio library I am getting undefined ... can I fix these errors ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
748
views
1
answer
c++ - Function dual to std::move?
Let's assume I have a class with only one constructor: class T { public: T(BigClass&& big) : big(std: ... above ? Edit: Some clarifications. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
744
views
1
answer
c++ - Icons disappear on an other computer
I've created a program with Qt Creator and compiled it with the release mode. I've added all the necessary DLLs and ... loaded in a qrc file... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
603
views
1
answer
c++ - Can a variable be defined only in the scope of an if-statement, similar to how it's often done for for-loops?
Is there a way to declare, assign and compare a variable to an expression in an if construction in such a ... condition of the if-statement? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
914
views
1
answer
c++ - Generic function to convert boost::any to boost::variant
Assume that you have a boost::any object and a boost::variant object. I'm looking for a generic function ... be impossible for some reason? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
749
views
1
answer
c++ - Can you use the standard GDB debugger with Qt executables?
I just started using Qt and I wanted to debug my Qt application. Can I use the standard GDB debugger with Qt executables? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
922
views
1
answer
c++ - Why clang missing default argument on parameter pack error?
When I use clang (10.0.1) to compile that: #include <iostream> template <typename ...Args> void f( int a = 4 ... I try it on gcc and works fine See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
1.1k
views
1
answer
c++ - CMake: set directory for target sources
I have a C++ project where all implementation source files (*.cpp) reside in a src directory ... with the target_include_directories function. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
882
views
1
answer
c++ - how to imRotate with OpenCV 2.4.3?
how can i implement imrotate(Mat src,Mat dst,double angle) using OpenCV 2.4.3? there is a function warpAffine ... fill empty spots with black. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
798
views
1
answer
c++ - Visual Studio not saving startup project and solution config
I've got a C++ solution that always forgets the solution config(debug vs release etc), and startup project ... about fixing this problem? Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
726
views
1
answer
c++ - Boost::spirit::qi defining a calculator for nullaries
I'm trying to write a parser for math expressions where named variables are nullaries in boost::spirit (version ... define a rule like this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
990
views
1
answer
c++ - GDB wrong values for vector.size()
A simple vector.push_back() causes some error in my code: #include <vector> using namespace std; int main(int argc, ... 12 (gdb) 19 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
822
views
1
answer
c++ - sizeof continues to return 4 instead of actual size
#include <iostream> using namespace std; int main() { cout << "Do you need to encrypt or decrypt?" << endl; ... way.) Thank you for your time. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
664
views
1
answer
c++ - Should boost library be dependent on structure member alignments?
I found, the hard way, that at least boost::program_options is dependent of the compiler configured structure ... included in library naming? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
755
views
1
answer
c++ - If a virtual function is called from a constructor/destructor without qualification, does virtual dispatch occur?
struct A { virtual ~A() { f(); } virtual void f() {} }; I've edited my question to be more ... relevant section from C++ standard? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
5
6
7
8
9
10
11
12
13
14
15
...
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] Solve all json.decoder.JSONDecodeError in python
[2] git the meaning of term "remote branch"
[3] vue使用L2Dwidget报错了
[4] dolphindb中怎么设置字段的comment?
[5] java - Comparing strings in JSP gives really weird error not specyfying what can e the cause
[6] vue获取元素高度提示undefined
[7] git - How do I prevent files from being sent to the staging area?
[8] CSS 可以反向选择吗
[9] vue.js - VueJS/Typescript error: Cannot find module 'my-module' or its corresponding type declarations
[10] Create Microsoft Office Wordart with Python
2.1m
questions
2.1m
answers
60
comments
56.6k
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
...