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Questions tagged c++-faq

24 questions

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394
votes
15
answers

When is std::weak_ptr useful?

c++ c++11 shared-ptr weak-ptr c++-faq
asked 2012-08-19T23:00:05.107
28
votes
3
answers

Where can I find all the exception guarantees for the Standard Containers and Algorithms?

c++ exception standard-library c++-faq exception-safety
asked 2012-07-28T07:12:22.187
32
votes
3
answers

What are the stages of compilation of a C++ program?

c++ compiler-construction compilation c++-faq
asked 2012-01-12T10:29:11.850
696
votes
5
answers

Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?

c++ iostream c++-faq
asked 2011-04-09T12:49:36.447
530
votes
7
answers

What's the difference between "STL" and "C++ Standard Library"?

c++ stl std c++-faq
asked 2011-03-05T17:32:14.067
15
votes
13
answers

What's wrong with const?

c++ c++11 c++-faq
asked 2011-01-12T14:26:21.363
271
votes
3
answers

Why do I have to access template base class members through the this pointer?

c++ templates inheritance c++-faq
asked 2011-01-10T01:42:38.393
13
votes
6
answers

Why do I see strange values when I print uninitialized variables?

c++ variables c++-faq initialization
asked 2010-11-23T19:20:26.633
169
votes
5
answers

What is the proper declaration of main in C++?

c++ function language-lawyer program-entry-point c++-faq
asked 2010-11-17T17:12:00.033
1075
votes
6
answers

What are sequence points, and how do they relate to undefined behavior?

c++ undefined-behavior c++-faq sequence-points
asked 2010-11-14T05:37:46.333
602
votes
8
answers

What are the main purposes of std::forward and which problems does it solve?

c++ c++11 rvalue-reference c++-faq perfect-forwarding
asked 2010-08-27T06:59:04.183
2424
votes
5
answers

What is the copy-and-swap idiom?

c++ copy-constructor assignment-operator c++-faq copy-and-swap
asked 2010-07-19T08:42:09.907
48
votes
7
answers

What C++ idioms should C++ programmers use?

c++ design-patterns idioms c++-faq
asked 2009-11-18T22:28:55.523
216
votes
2
answers

What do the following phrases mean in C++: zero-, default- and value-initialization?

c++ initialization c++-faq
asked 2009-10-23T13:14:45.477
1075
votes
27
answers

What is the difference between a definition and a declaration?

c++ c declaration terminology c++-faq
asked 2009-09-11T12:27:12.883
1870
votes
23
answers

What is the difference between const int*, const int * const, and int * const?

c++ c pointers constants c++-faq
asked 2009-07-17T13:28:09.233
346
votes
11
answers

What is a "translation unit" in C++?

c++ c++-faq
asked 2009-07-09T20:01:13.810
419
votes
17
answers

Is the practice of returning a C++ reference variable evil?

c++ reference c++-faq
asked 2009-04-15T16:49:49.757
495
votes
12
answers

Resolve build errors due to circular dependency amongst classes

c++ compiler-errors circular-dependency c++-faq
asked 2009-03-09T10:57:28.867
1422
votes
10
answers

Where and why do I have to put the "template" and "typename" keywords?

c++ templates typename c++-faq dependent-name
asked 2009-03-04T11:56:16.583
2340
votes
20
answers

Why can templates only be implemented in the header file?

c++ templates undefined-reference c++-faq
asked 2009-01-30T10:06:50.997
71
votes
8
answers

Why do we actually need Private or Protected inheritance in C++?

c++ inheritance private protected c++-faq
asked 2008-12-17T12:29:42.560
934
votes
17
answers

What is object slicing?

c++ inheritance c++-faq object-slicing
asked 2008-11-08T11:10:13.897
295
votes
19
answers

Why does volatile exist?

c++ volatile c++-faq
asked 2008-09-16T13:59:45.667