What is the difference between virtual functions and pure virtual functions?

1286

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Can we call a virtual function from a constructor?

1228

---

Can we use THIS Pointer in static function – Reason in C++?

736

---

Factory Method C++ – How to delete pointers returned by it

729

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What are issues if we mix new and free in C++?

725

---

How does free know the size of memory to be deleted

804

---

What's the value of the expression 5["abxdef"]?

1494

---

What is a built-in function in C?

1514

---

In C, What is the #line used for?

2098

---

How can a string be converted to a number?

966

---

How can a number be converted to a string?

1242

---

Why doesn't C support function overloading?

2611

---

Why n++ execute faster than n+1 ?

2845

---

What are the advantages of Macro over function?

1928

---

What is the difference between struct and union in C?

1242

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