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aakashjsr · Sep 26 '15, 03:59 PM

I have to learn Django but I have no experience in building web applications or anything related to databases.I have learnt Python but don't know where to begin Django.I have found many resources about it but most of it doesn't make a lot of sense.How do I begin , Can someone please help me ?

aakashjsr · Aug 30 '15, 06:45 AM

Please help me with developing an algorithm to swap adjacent pairs of nodes in the same level of the binary tree.I have a solution which takes a space complexity of O(n) but I need to figure out a better algorithm.

example

Code:

                        1
                      /   \
                     2     3
                   /  \     \
                  4   5      6
                 /

...

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How do I learn Django

How to swap adjacent node pairs in the same level in a binary tree