This page collects some non-trivial and/or out-of-mind things in our lovely C++

Basics

  1. 1 Extern "C" 0
  2. 2 Casting 0
  3. 3 Rvalues, lvalues and oth. 0
  4. 4 Sizes of types 0
  5. 5 Sizes of structures 0
  6. 6 Aggregates and PODs 0
  7. 7 Object slicing 0
  8. 8 Private/Protected/Public inheritance 0

Best practices

  1. 1 "using namespace std" in C++ 0
  2. 2 What is The Rule of Three? 0
  3. 3 Type of quotes for headers 0
  4. 4 Templates in the headers 0
  5. 5 Forward declaration 0
  6. 6 *.h or *.hpp 0
  7. 7 Enum classes 0

Challenges

  1. 1 C++ Pub Quiz ACCU 2016 0
  2. 2 C++ golf tricks 0
  3. 3 How to crash 0
  4. 4 Longest error message 0
  5. 5 One code for C and C++ 0
  6. 6 One code for C++03 and C++11 0
  7. 7 1 to 1000 without semi-colons 0
  8. 8 CppQuiz.org 0

Info

  1. 1 Should I stop using the term C/C++? 0
  2. 2 C and C++ standard docs 0
  3. 3 C++ Book Guide and List 0
  4. 4 Guru of the Week 0
  5. 5 Common reasons of SEGFAULT 0

STL

  1. 1 Split a string in C++ 0
  2. 2 Clear a stringstream variable 0
  3. 3 Implementation of classic sort 0
  4. 4 Cartesian tree in GNU C++ STL. 0
  5. 5 Push_back vs emplace_back 0

Optimization

  1. 1 Low-level optimization tips 0
  2. 2 Benefits of inline functions 0
  3. 3 Optimizing away a "while(1);" 0
  4. 4 Minimize use of 'new' 0
  5. 5 Sort 10 numbers 0

Pointers

  1. 1 What is a smart pointer? 0
  2. 2 Difs between a pointer and a reference 0
  3. 3 Order of keywords in ptr declaration 0
  4. 4 Levels of pointers 0
  5. 5 Using make_shared 0
  6. 6 Placement new 0
  7. 7 5 Questions about pointers 0
  8. 8 RAII and smart pointers in C++ 0

C++11 (14)

  1. 1 What is move semantics? 0
  2. 2 What is a lambda expression? 0
  3. 3 "Typedef" vs "using" 0
  4. 4 Nullptr 0
  5. 5 Member initialization vs initialization lists 0
  6. 6 Using noexcept 0
  7. 7 Refactoring with C++ 11 0
  8. 8 Folds (ish) In C++11 0

Arithmetic

  1. 1 Bit manipulation 0
  2. 2 Sub/add without overflow 0
  3. 3 Float and double comparison 0
  4. 4 Float instead of double 0
  5. 5 Easy geometry using std::complex 0

Performance

  1. 1 Processing of sorted/unsorted arrays 0
  2. 2 Why is one loop so much slower? 0
  3. 3 Performance of 0.1f and 0 vals 0
  4. 4 Is '<' faster than '<='? 0
  5. 5 Why is reading lines from stdin so slow? 0
  6. 6 32- and 64-bit loop count variable 0
  7. 7 Loop and 8192 elements 0
  8. 8 Cache-friendly code 0

Undefined

  1. 1 Unexpected behaviors 0
  2. 2 Local variables go out 0
  3. 3 UB and sequence points 0
  4. 4 Is `x = std::move(x)` undefined? 0
  5. 5 String replace & Stroustrup's book 0
  6. 6 UB & compilation optimization 0
  7. 7 Signed integer overflow 0
  8. 8 int x = x; 0

IO

  1. 1 Yet again on C++ input/output 0
  2. 2 sync_with_stdio(0) and 'read' variable 0

Fun

  1. 1 C++ WAT 0
  2. 2 Python code in a C++ program 0
  3. 3 Operator "-->" 0
  4. 4 Operator '&&&' 0
  5. 5 6 dots 0
  6. 6 Cout << "\n"[a==N]; 0
  7. 7 int main[1] = {0}; 0

Boost

  1. 1 Lexical_cast and boolean value 0

Methods & operators

  1. 1 When to use virtual destructors? 0
  2. 2 What are the basic rules and idioms for operator overloading? 0
  3. 3 Inlining of the methods 0
  4. 4 Can virtual functions be inlined 0
  5. 5 Keyword "explicit" 0
  6. 6 Variable number of arguments 0
  7. 7 Named operators 0
  8. 8 Explicit cast operator 0

Public private

  1. 1 Auto on a private type 0
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