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
410
views
1
answer
c++ - Rcpp Rtools installed but error message g++ not found
I have consulted existing entries on SO related to my specific issue, but still could not resolve it. I am ... run into this specific issue? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
402
views
1
answer
c++ - Clang and undefined symbols when building a library
I'm working on a C++ framework, and there's a few issues when I compile it on OSX with Clang. First ... ::thread_data_base() in server.cpp.o See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
241
views
1
answer
c++ - Where is the definition of `top-level cv-qualifiers` in the C++11 Standard?
In the draft C++11 standard: N3337 I found several references to top-level cv-qualifiers, but no definition. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
200
views
1
answer
c++ - Pack an HTML5 app and deploy it on the desktop
I have read tons of articles and stackoverflow questions but I seem not get it to work. I want to distribute ... packeges that I could use? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
161
views
1
answer
c++ - Code reuse in exception handling
I'm developing a C api for some functionality written in C++ and I want to make sure that no exceptions are ... no other way to do it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
277
views
1
answer
c++ - Finding Contours in OpenCV?
When you retrieve contours from an image, you should get 2 contours per blob - one inner and one outer. ... than cvFindContours ()) Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
294
views
1
answer
c++ - Obtaining local IP address using getaddrinfo() C function?
I'm trying to obtain my local (not the external) IP address using the getaddrinfo() function, but I saw the examples ... .x ( just an example ). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
260
views
1
answer
c++ - How do I allocate a std::string on the stack using glibc's string implementation?
int main(void) { std::string foo("foo"); } My understanding is that the above code uses the default ... is allocated entirely on the stack? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
97
views
1
answer
c++ - Constructor using std::forward
To my knowledge, the two common ways of efficiently implementing a constructor in C++11 are using two of them Foo ... t it the most optimal way? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
170
views
1
answer
c++ - Specify a class member function as a friend of another class?
According to the C++ Primer book, the author mentioned that we can specify a class member function as a friend of ... am using Visual C++ 2005) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
177
views
1
answer
c++ - How to determine what is 'sequenced before' others?
I went through this excellent answer regarding Undefined Behaviour and Sequenced [Before/After] relations in C++11. I ... quote the same here? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
226
views
1
answer
c++ - How can you open a file with the program associated with its file extension?
Is there a simple way to open a file by its associated program in windows? (like double clicking it in windows ... (a random explorer is shown). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
133
views
1
answer
c++ - Differences between template specialization and overloading for functions?
So, I know that there is a difference between these two tidbits of code: template <typename T> T inc(const ... act differently from each other? 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++ - Converting statvfs to percentage free correctly
I have a terribly uncomplicated test program that prints out the following numbers. i.e. int main(int argc, ... the side of being conservative. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
251
views
1
answer
c++ - Why does C++11 have implicit moves for value parameters, but not for rvalue parameters?
In C++11, value parameters (and other values) enjoy implicit move when returned: A func(A a) { return ... them differently in the standard? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
212
views
1
answer
c++ - inline virtual function
In C++, my understanding is that virtual function can be inlined, but generally, the hint to inline is ... inline virtual function is good? 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++ - Boost.Python: How to expose std::unique_ptr
I am fairly new to boost.python and trying to expose the return value of a function to python. The function signature ... ("f", &Message::f) ; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
283
views
1
answer
c++ - Performance impact of -fno-strict-aliasing
Is there any study or set of benchmarks showing the performance degradation due to specifying -fno-strict-aliasing ... in other compilers)? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
166
views
1
answer
c++ - Compile a static binary which code there a function gethostbyname
How to resolve compile a static binary which code include a function gethostbyname and if compiled without warning ... resolve my heavy problem. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
117
views
1
answer
c++ - calling the default constructor
class base { int i; public: base() { i = 10; cout << "in the constructor" << endl; } }; int main( ... gets called but not in the second case! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
656
views
1
answer
c++ - Linking with a debug/release lib with qmake/Qt Creator
I am using Qt Creator and have a Qt GUI project that depends on a C++ static library project. I want to ... there support in qmake to do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
292
views
1
answer
c++ - Conditional compile-time inclusion/exclusion of code based on template argument(s)?
Consider the following class, with the inner struct Y being used as a type, eg. in templates, later on: template< ... there I can use. :/ See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
222
views
1
answer
c++ - when to use JNIEXPORT and JNICALL in Android NDK?
I'm trying to write my own jni sources. Looking at some ndk samples, I found that they often use those macros ... and how to use these macros See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
446
views
1
answer
c++ - How do I cleanly reconnect a boost::socket following a disconnect?
My client application uses a boost::asio::ip::tcp::socket to connect to a remote server. If the app loses ... it? Or is it something more? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
274
views
1
answer
c++ - Is using increment (operator++) on floats bad style?
Is it considered "bad style" to use the increment operator (++) on floats? It compiles just fine but I ... that the value is unchanged. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
494
views
1
answer
c++ - Create a boost::shared_ptr to an existing variable
I have an existing variable, e.g. int a = 3; How can I now create a boost::shared_ptr to a? For example: boost ... = &a; // this 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
192
views
1
answer
c++ - Displaying the address of a string
I have this code: char* hello = "Hello World"; std::cout << "Pointer value = " << hello << std:: ... the actual address that hello points to? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
381
views
1
answer
c++ - What is the difference between GetClientRect and GetWindowRect in WinApi?
What of these should I use in InvalidateRect to refresh my window? And why? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
213
214
215
216
217
218
219
220
221
222
223
...
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] js 判断一个数组是否存在空的元素
[2] How to use backspace in UnetStack Shell?
[3] need to calculate a stock indicator from raw data in SQL for each individual stock ticker using TA-LIB and python, pandas
[4] 如何找出A向量中最大值所在的位置,然后返回B向量中该位置对应的值
[5] 公安系统提供实名认证查询接口吗?比如姓名与身份证是否匹配的接口?
[6] reactjs - How do I implement scroll in React Router while also having paths to separate layouts?
[7] vfp-sql语句如何写?
[8] react的hook中监听props修改state为什么是副作用?
[9] javascript - jQuery: Multiple selectors in a single variable
[10] flutter - Test error log from CodeMagic interpretation
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
...