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
406
views
1
answer
c++ - Should we generally use float literals for floats instead of the simpler double literals?
In C++ (or maybe only our compilers VC8 and VC10) 3.14 is a double literal and 3.14f is a float literal. ... hard to maintain! -- float suffix?) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
182
views
1
answer
c++ - Header file included only once in entire program?
I know this is a common question but I still can't fully get my head around it. In a C or C++ ... in the code it was previously included ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
260
views
1
answer
c++ - Specify template parameters at runtime
Consider the following template class class MyClassInterface { public: virtual double foo(double) = 0; } ... using more template parameters. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
496
views
1
answer
c++ - How to make elements of vector unique? (remove non adjacent duplicates)
I have a vector containing few non-adjacent duplicates. As a simple example, consider: 2 1 6 1 4 6 2 1 ... the vector ? what is its complexity? 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++ - Performance of dynamic_cast?
Before reading the question: This question is not about how useful it is to use dynamic_cast. Its just about its ... slow if it isn't? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
225
views
1
answer
c++ - What happens if I read a map's value where the key does not exist?
map<string, string> dada; dada["dummy"] = "papy"; cout << dada["pootoo"]; I'm puzzled because I don't ... exist, do I just use find instead ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
279
views
1
answer
c++ - Can the "Application Error" dialog box be disabled?
I am using Hudson as a continuous integration server to test C/C++ code. Unfortunatly, I have a bug ... instead of showing the dialog? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
477
views
1
answer
c++ - Handling partial return from recv() TCP in C
I've been reading through Beej's Guide to Network Programming to get a handle on TCP connections. In one of ... Stream Server in the guide. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
506
views
1
answer
c++ - Doing a static_assert that a template type is another template
How do I static_assert like this? Maybe Boost supports it if not C++ or new features in C++11? template<T> struct ... T,"failure"); //how? }; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
172
views
1
answer
c++ - When to use new and delete
I am re-reading some code from a while ago on C++ (I am learning Java in school right now), and I am a ... ) delete f2; // initialize again... 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++ - Assignment operator inheritance
There is this code: #include <iostream> class Base { public: Base(){ std::cout << "Constructor base" ... assignment operator is not inherited? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
391
views
1
answer
c++ - How to generate all permutations of an array in sorted order?
I have an array, and the user can insert a string. And I have this code: int main(){ char ... -calculadora.html without repetition and sorted See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
513
views
1
answer
c++ - Passing rvalues through std::bind
I want to pass an rvalue through std::bind to a function that takes an rvalue reference in C++0x. I can't ... same effect as foo(Movable()) } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
298
views
1
answer
c++ - CMake is not finding Boost
I am trying to install CGAL. They describe their installation process as ever-so-simple here, section 6.1. When ... to repeat the question...) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
851
views
1
answer
c++ - How to append text to QPlainTextEdit without adding newline, and keep scroll at the bottom?
I need to append text to QPlainTextEdit without adding a newline to the text, but both methods ... /gui/widgets/qplaintextedit.cpp#n2763 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++ - debugging information cannot be found or does not match visual studio's
I copied an existing project and renamed the folder. Now I get this error when I try to compile the application ... to get it to stop. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
286
views
1
answer
c++ - How to use Macro argument as string literal?
I am trying to figure out how to write a macro that will pass both a string literal representation of a ... into a string literal itself. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
420
views
1
answer
c++ - Multiple definition of inline functions when linking static libs
I have a C++ program that I compile with mingw (gcc for Windows). Using the TDM release of ... of Inline functions with different definitions See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
668
views
1
answer
c++ - Simulating key press events in Mac OS X
I'm writing an app where I need to simulate key press events on a Mac, given a code that represents each key. ... been able to find. Any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
425
views
1
answer
c++ - Problem with std::map::iterator after calling erase()
// erasing from map #include <iostream> #include <map> using namespace std; int main () { map<char,int> ... .com/reference/stl/map/erase/ 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 test a string for letters only
how could I test a string against only valid characters like letters a-z?... string name; cout << "Enter your ... found = letters.find(it); } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
380
views
1
answer
c++ - dynamically allocated memory after program termination
When a C/C++ program containing the dynamically allocated memory(using malloc/new) without free/delete calls ... unaccessible to other programs? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
477
views
1
answer
c++ - expand file names that have environment variables in their path
What's the best way to expand ${MyPath}/filename.txt to /home/user/filename.txt or %MyPath%/filename.txt ... for general purpose path expansion. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
250
views
1
answer
c++ - Linking Libraries in Xcode
I'm using a powerbook (osx 10.5) and recently downloaded and installed FFTW 3.2 (link text). I've been ... see: link text thanks for any help See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
287
views
1
answer
c++ - Empirically determine value category of C++11 expression?
Each expression in C++11 has a value category. One of lvalue, xvalue or prvalue. Is there a way to ... } How could VALUE_CAT be implemented? 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++ - How to use sfinae for selecting constructors?
In template meta programming, one can use SFINAE on the return type to choose a certain template member function, ... I can use SFINAE instead. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
475
views
1
answer
c++ - accessing a protected member of a base class in another subclass
Why does this compile: class FooBase { protected: void fooBase(void); }; class Foo : public FooBase { public: ... not the second code snippet. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
304
views
1
answer
c++ - Error: Could not resolve SDK path for 'macosx10.8'
So I just installed qt around 5 minutes ago, and when I wanted to code a simple line of text in the Push Button ... I hope you know what i mean) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
Page:
« prev
1
...
320
321
322
323
324
325
326
327
328
329
330
...
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 - Javascript - How to limit character in a contentEditable div?
[2] python - PyTorch: "ValueError: can't optimize a non-leaf Tensor" after changing pretrained model from 3 RGB Channels to 4 Channels
[3] Validating number of months between two dates if created date is before or after the 15th in Access VBA
[4] python - Neo4j algo.unionFind equivalent with new Graph Data Science Library
[5] 使用axios报错 Request failed with status code 404
[6] axios一段源码看不明白?
[7] Echarts 如何实现右键菜单?
[8] html - Picture slider on Mobile
[9] powerbi - standard architecture in power bi o business intelligence
[10] Import datetime field correctly into mysql table using load data infile
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
...