Combinations

Hello gals and guys! It seems that during the COVID-19 pandemic time goes faster. It is Saturday and the work week went by in the blink of an eye.

This post was motivated by a HackerRank problem which I am getting ready to tackle. I decided to experiment with combinations and factorials to make sure that a brute approach to the actual problem would be futile. In my next post will tackle the basis for a better approach.

As usual let’s start with some chitchat. Continue reading “Combinations”

Missing Book – Amazon.com

I have been purchasing items from Amazon through the years. With two exceptions the experience so far has been very positive.

Years ago, my wife and I purchased via Amazon a Le Creuset pot for our son. The pot was made of ceramic. The pot arrived at our son’s residence chipped. When we learned about the issue, I checked on the Amazon web site and filled the form to return the item and get a reimbursement. We decided that a ceramic pot might not be a long lasting item. So far all was fine. Our daughter in law was going to return the item. Apparently she lost the slip and we had no way to prove that we had returned it to Amazon. We were not reimbursed for the purchase. Like I said, the issue was on our court. Continue reading “Missing Book – Amazon.com”

CanaKit

canakitIt’s a gloomy Sunday morning in the Twin Cities of Minneapolis and St. Paul. I believe it will stop raining mid morning. Have a three hour on-line class to attend at 10:00 AM CDT. While I wait for the start of the class I decided to check out my CanaKit™ Raspberry Pi B+ Ultimate Starter Kit (Black Case) RSP-BP-C2-BLK which I purchase from Amazon.com about a year ago (have been experimenting with Arduino). I have noticed that the price of the kit has almost doubled since I purchased mine. Continue reading “CanaKit”