list manipulation - Robuta Search

https://mathematica.stackexchange.com/questions/319086/select-strings-based-on-criteria list manipulation - Select strings based on criteria - Mathematica Stack Exchange I have a list, and I'd like to select all strings containing "BIS", but only keep the most up to date - i.e - those that contain an "R" (if they do). I have an... mathematica stack exchange list manipulation select strings based https://mathematica.stackexchange.com/questions/319274/what-is-the-difference-between-table-and-constantarray-for-generating-n-copies-o list manipulation - What is the difference between Table and ConstantArray for generating n copies... Suppose I wish to generate a list of n copies of an expression expr. I can use Table, specifically the first definition for Table given in the documentation:... list manipulation difference table generating copies https://mathematica.stackexchange.com/questions/3496/what-is-a-mathematica-packed-array list manipulation - What is a Mathematica packed array? - Mathematica Stack Exchange A simple sounding question with a few sub questions: What is the difference between unpacked vs packed array? Are packed arrays more space efficent, how much... list manipulation stack exchange mathematica packed array