Exploring data, one index at a time.

Q. I currently keep a static to-do list, and I would like to update it to be more dynamic. Do you have any advice? A. Microsoft Excel is best known for crunching numbers, but it’s also a powerful tool ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

# (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). # You are given a target value to search. If found in the array return its # index, otherwise return -1. # You may assume no duplicate exists in ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...

Notifications You must be signed in to change notification settings Implementation of merge sort for a two-dimensional array. In case of odd dimension, the first division contains more number of ...

How to return the top or bottom n records without a filter or PivotTable in Excel Your email has been sent Returning the top or bottom n records of a data set in Excel isn’t difficult, and there are ...