Lifeboat blog

We are used to think that O(log N) is always better than O(N), but it is not always true.

Coding on the interviews is an independent skill from real coding.

Last night I wrote a code using Java 8 lambdas for the first time. And I loved it!

I am sure you have read about StringBuilder being faster than StringBuffer so many times, that you are sick of it already. Fun fact is: it is not faster.

I wanted to measure how much extra cost does Scala Option incurs.

Sample query to parse address line into fields in PostgreSQL without stored procedures

Unexpected iteration over java linked list

Better way to work around JVM type erasure in Scala pattern matching