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Factory_1
Programming

Python Factory Design Patterns using Switch Case

Posted  January 12, 2014  by  arunenigma

I googled for Factory Method Design Pattern in Python but couldn’t find a good resource. So, I  am sharing an example program to demonstrate this design pattern in Python which I frequently use. The factory method pattern is an object-oriented creational design pattern that deals with the problem of creating objects without specifying the exact […]

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Gospers_glider_gun
Programming

Conway’s Game of Life Implemetation in Python with cool patterns

Posted  January 8, 2014  by  arunenigma

he Game of Life (or simply Life) is not a game in the conventional sense. There are no players, and no winning or losing. Once the “pieces” are placed in the starting position, the rules determine everything that happens later. Nevertheless, Life is full of surprises! In most cases, it is impossible to look at […]

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bin-tree
Programming

Python AVL Tree Implementation with ASCII visualization

Posted  January 6, 2014  by  arunenigma

n computer science, an AVL tree is a self-balancing binary search tree. It was the first such data structure to be invented. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any time they differ by more than one, rebalancing is done to […]

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bst
Programming

Binary Search Tree in Python with ASCII art visualization

Posted  January 6, 2014  by  arunenigma

Binary search tree implementation in Python with: in, post and pre-order traversals. Also includes methods for insertion, deletion and search of nodes. Deletion is fairly complex and is made possible by keeping track of parents. A binary search tree (BST) or ordered binary tree is a node-based binary tree data structure which has the following […]

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fibonacci
Programming

Python, Memoization, Dynamic Programming, Fibonacci Series and some Fun!

Posted  December 31, 2013  by  arunenigma

ython can implement the recursive formulation directly, caching return values. Memoization is a method where if a call is made more than once with the same arguments, and the result is returned directly from the cache. For example, we can dynamically solve the exponential Fibonacci series by using a Memoize class or a memoize function […]

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hotmail-logo

How To Block A Sender In Hot Mail

  1. Go to Hotmail home page and sign in. 2. Click Options on the right corner of the page, choose More options 3. Follow the link of Safe and blocked senders under Junk e-mail. 4. Click Blocked senders under Safe and bloc...
by arunenigma
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disk cleanup icon

How To Add Disk Cleanup To Right-Click Menu For A Drive In Windows 7

    1. Click the “Start” button, and type in”regedit”in the blank.   2. Browse the list as following: HKEY_CLASSES_ROOT\Drive\shell. 3. Create a new key called “diskcleanup”and...
by arunenigma
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twiz-landing-ufo

How To Report A UFO If You See One

If you yourself should see a UFO, first try to get as many other witnesses as possible and take a photograph or better yet, a video of the object. Take careful note of its appearance, its motion, the time and duration of the si...
by arunenigma
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