Vyassa Baratham questions

Vyassa Baratham answers

• Given a boolean matrix sorted row wise. Return a row with max number of 1
• Group by ID, select only the newest record for each
• Learn python the hard way - exercise 36 function problems
• How do I convert seconds since Epoch to current date and time?
• how to see if a arraylist is filled or not
• Java function (method) available everywhere (global)
• class takes exactly three arguments and two are given