A callback is a function, say B, that you provide to some other
function F in order to control F's behavior.
The intuition is that F is defined with a "hole" in its specification
that it fills up by "calling back" to the B you furnished.
A simple example of a callback is the comparison function a
You can pass a function pointer to a function to be called after that
function finished its job.
On Tue, May 29, 2012 at 12:52 AM, rahul r. srivastava <
rahul.ranjan...@gmail.com> wrote:
> whats a "CALL BACK" in C?
>
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whats a "CALL BACK" in C?
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This is a pretty nice question because it requires you to show
knowledge in many different areas. In business settings, logs can
make the difference between success and failure, not to mention
complying with law.
Here are some dimensions of the design space:
* Convenience of the programmer's int
//can be improved by having a function to join 2 DLLs
struct node *tree2DLL(struct node * pRoot)
{
if (!pRoot) return NULL;
struct node *pleftDLL = tree2DLL(pRoot->left);
struct node *pRightDLL = tree2DLL(pRoot->right);
//now join left with root
pLeftDLL->left->right = pRoot;
pRoot->left
complex_number const & operator =(complex_number & temp) const
Since, you are returning *this as reference, you have to have const &
as your return type. You have made your this pointer as constant by
appending const keyword at the end of the function signature. But this
function has limitation si
The recursion invariant is that calling
convert(root, list)
will return a list that is the tree root converted to a singly linked
list connected by 'left' pointers, with list appended at the end.
So if the tree is empty, the corresonding list is empty, so appending
argument 'list' on the end me
