Cacher is the code snippet organizer for pro developers

https://stackoverflow.com/documentation/excel-vba/1107/vba-best-practices/9292/avoid-using-select-or-activate#t=201705241336442838007

https://blogs.office.com/2009/03/12/excel-vba-performance-coding-best-practices/

https://fastexcel.wordpress.com/2011/05/25/writing-efficient-vba-udfs-part-1/

https://fastexcel.wordpress.com/page/2/?s=writing+efficient

http://use-the-index-luke.com/anatomy

http://use-the-index-luke.com/

https://stackoverflow.com/questions/1981526/what-should-every-developer-know-about-databases?noredirect=1&lq=1

https://stackoverflow.com/questions/22542834/how-to-use-regular-expressions-regex-in-microsoft-excel-both-in-cell-and-loops