LATEST ARTICLES

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No theory in here. Just some code to encrypt a string. Problem: Suppose you are told that the one time pad encryption of the message "attack...

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So I am finally trying to learn Scala. It's fun, and also very different to the programming paradigm I am used to. But you only...

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Amazon AWS has created an awesome ecosystem of tools to do a variety of tasks. Unfortunately, their error reporting leaves a lot to be desired...

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The Elastic Data Pipeline (EDP) offered by Amazon Web Services (AWS) is an easy to use tool to automate data processing. You can create...

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In an earlier post I wrote a custom UDF to read JSON into my table. Since then I have also learnt about and used the Hive-JSON-Serde....

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Sometimes we need to perform data transformation in ways too complicated for SQL (even with the Custom UDF's provided by hive). Let's take JSON...

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No spoilers here. Right from the first book you keep hearing about the Warrens and the Deck of Dragons and you try to make up...

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Problem: The rules for writing Roman numerals all for many ways of writing each number (see About Roman Numerals ...). However, there is always a...

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Problem: Three distinct points are plotted at random on a Cartesian plane, for which -1000 leq x, y leq 1000, such that a triangle is...

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Problem: Find the unique positive integer whose square has the form 1_2_3_4_5_6_7_8_9_0, where each '_' is a single digit. Solution: This one was easy. The maximum number...