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
577
views
1
answer
c++ - multiple definition of template specialization when using different objects
When I use a specialized template in different object files, I get a "multiple definition" error when ... any further explanation. Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
404
views
1
answer
c++ - What is the idiomatic way in CMAKE to add the -fPIC compiler option?
I've come across at least 3 ways to do this and I'm wondering which is the idiomatic way. This needs ... a shared object; recompile with -fPIC See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
390
views
1
answer
c++ - Difference between rdtscp, rdtsc : memory and cpuid / rdtsc?
Assume we're trying to use the tsc for performance monitoring and we we want to prevent instruction reordering. ... option over the 2nd option? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
185
views
1
answer
c++ - Default, value and zero initialization mess
I am very confused about value- & default- & zero-initialization. and especially when they kick in for the ... on its first declaration. Link) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
257
views
1
answer
c++ - Run an Application in GDB Until an Exception Occurs
I'm working on a multithreaded application, and I want to debug it using GDB. Problem is, one of my threads ... that I can get a backtrace. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
374
views
1
answer
c++ - When should I use raw pointers over smart pointers?
After reading this answer, it looks like it is a best practice to use smart pointers as much as possible, and to ... to minimum. Is that true? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
530
views
1
answer
c++ - How to convert string to IP address and vice versa
how can I convert a string ipAddress (struct in_addr) and vice versa? and how do I turn in unsigned long ipAddress? thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
559
views
1
answer
c++ - How to make an expandable/collapsable section widget in Qt
I would like to create a custom widget in Qt with the following features: It is a container It may be populated ... }; } #endif // SECTION_HPP See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
174
views
1
answer
c++ - Why do some people use swap for move assignments?
For example, stdlibc++ has the following: unique_lock& operator=(unique_lock&& __u) { if(_M_owns) unlock(); ... :swap on each member) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
258
views
1
answer
c++ - How to draw text using only OpenGL methods?
I don't have the option to use but OpenGL methods (that is glxxx() methods). I need to draw text using gl ... is any other way to draw text? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
361
views
1
answer
c++ - Iterative DFS vs Recursive DFS and different elements order
I have written a recursive DFS algorithm to traverse a graph: void Graph<E, N>::DFS(Node n) { std::cout ... I doing something wrong? Thank you! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
336
views
1
answer
c++ - How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
How to overload the operator++ in two different ways for postfix a++ and prefix ++a? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
222
views
1
answer
c++ - How define an array of function pointers in C
I've a little question. I'm trying to define an array of function pointers dynamically with calloc. But I don't ... the syntax. Thanks a lot. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
194
views
1
answer
c++ - What are declarations and declarators and how are their types interpreted by the standard?
How exactly does the standard define that, for example, float (*(*(&e)[10])())[5] declares a ... "? Inspired by discussion with @DanNissenbaum See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
272
views
1
answer
c++ - Most optimized way of concatenation in strings
We always came across many situation on daily basis wherein we have to do tedious and very many string operations ... CString over std::string? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
505
views
1
answer
c++ - How to use glOrtho() in OpenGL?
I can't understand the usage of glOrtho. Can someone explain what it is used for? Is it used to set the range of x ... z range is from -1 to 1? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
245
views
1
answer
c++ - How to tell where a header file is included from?
How can I tell where g++ was able to find an include file? Basically if I #include <foo.h> g++ ... including defaults and all include options? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
500
views
1
answer
c++ - Passing shared pointers as arguments
If I declare an object wrapped in a shared pointer: std::shared_ptr<myClass> myClassObject(new myClass()); then ... about it. Thank you. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
151
views
1
answer
c++ - Why do we copy then move?
I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a ... When should I do this myself? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
329
views
1
answer
c++ - Can lambda functions be templated?
In C++11, is there a way to template a lambda function? Or is it inherently too specific to be ... language allow templating lambda functions? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
341
views
1
answer
c++ - Pimpl idiom vs Pure virtual class interface
I was wondering what would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance. ... than the pimpl idiom? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
192
views
1
answer
c++ - What is a 'thunk'?
I've seen it used in programming (specifically in the C++ domain) and have no idea what it is. Presumably it ... a good example of a thunk? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
373
views
1
answer
c++ - std::string length() and size() member functions
I was reading the answers for this question and found that there is actually a method called length() for std:: ... for the user of the class? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
242
views
1
answer
c++ - What does "#pragma comment" mean?
What does #pragma comment mean in the following? #pragma comment(lib, "kernel32") #pragma comment(lib, "user32") See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
152
views
1
answer
c++ - how boost::function and boost::bind work
I dislike having magic boxes scattered all over my code...how exactly do these two classes work to allow basically ... to be compatible with C. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
207
views
1
answer
c++ - Qt events and signal/slots
In the Qt world, what is the difference of events and signal/slots? Does one replace the other? Are events an abstraction of signal/slots? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
397
views
1
answer
c++ - std::auto_ptr to std::unique_ptr
With the new standard coming (and parts already available in some compilers), the new type std::unique_ptr is ... improve the std::auto_ptr? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
244
views
1
answer
c++ - What exactly does stringstream do?
I am trying to learn C++ since yesterday and I am using this document:http://www.cplusplus.com/files/tutorial ... new to programming) Thank you. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
337
338
339
340
341
342
343
344
345
346
347
...
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] vue路由传参的问题
[2] javascript - Do React state updates occur in order when used like an FSM and useEffect?
[3] docker - dotnet core aspnet 2.2 image works on windows containers but not linux
[4] 家庭服务器远程开机
[5] sql - Displaying data present in multiple columns
[6] javascript - Remove duplicates in array list react
[7] js 能不能监听到每个函数的调用?
[8] useEffect循环
[9] PHP的协程到底是什么意思?
[10] docker - Keycloak admin-cli via kubernetes service URL always 401 - certificate with invalid signature
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
...