Hello, my Python class has some variables that require work to calculate the first time they are called. Subsequent calls should just return the precomputed value. I don't want to waste time doing this work unless they are actually needed by the user. So is there a clean Pythonic way to implement this use case? My initial thought was ...
Often I deal with aggregate or parent entities which have attributes derived from their constituent or children members. For example: The byte_count and packet_count of a TcpConnection object is computed from the same attributes of its two constituent TcpStream objects, which in turn are computed from their constituent TcpPacket objec...
I have a large list (over 200,000) of strings that I'd like to compare to a given string. The given string is inserted by a user, so it may be slightly incorrect. What I was hoping to do was create some kind of precomputed hash on each string on adding it to the list. This hash would contain information such as string length, addition...