While working on something recently, I started to think about the efficiency of Arrays and Ranges in Ruby. I started to try and research this but coul ...
While working on something recently, I started to think about the efficiency of Arrays and Ranges in Ruby. I started to try and research this but coul ...
Today I noticed that the tables of the mysql database in a default MySQL 8 installation use the type ENUM('N','Y') where I would expect them to use BO ...
I am asked to change this F# length function to a tail-recursive one. While this is not a difficult exercise, I wonder whether changing to the tail ...
Say I have a pandas series, and I want to take the mean of every set of 8 rows. I don't have prior knowledge of the size of the series, and the index ...
One can think at first at the base64 encoding, and base64 data-uri. But is it the most space efficient solution? My use case is to store tiny capt ...
I am developing an Android app which has hundreds of .jpg files (over 300) each one of around 40kB. I would like to know if there is a way of reducing ...
Since dictionaries are mutable, b is a reference pointer to a dictionary, and we pass this pointer into the function new_val. The reference to the ...
INPUT: Sorted array of positive, natural numbers, EXPECTED COMPLEXITY: Time: O(n) Additional space: O(1) Example: Input: arr = {2,3, ...
Example So let's say I have a local git repo with 10 commits, having SHA digests 0-9 so my git log looks like this and I decide that commits 5-9 a ...
I have some problems with the efficiency of my code. Basically my code works like this: What is the fastest way to solve the sum of all the element ...
I have a piece of code like this: Basically select something from tableA, if I don't find result there, try it in tableB. Is there a more efficien ...
I have Is there a quicker easier way of being able to execute this three times in a line other than copying it all out or using so is there just ...
I want to initiate a list of N objects with zeros( 0.0 ) . I thought of doing it like that: Is there any better(more efficeint) way to do that? ...
I have got a matrix say A of size M X N. I have to call same function for each column throughout the matrix. Till now, I have been extracting each col ...
So I am working on a text adventure to improve my programming skills (Just a beginner) and I was working on a new combat system for it because the old ...
I am curious if this has been done before and not necessarily whether it has practical value (although the spatial efficiency gains would be obvious). ...
I would like to build a space-efficient modular arithmetic class. The idea is that the modulus M is an immutable attribute that gets fixed during inst ...
I'm looking for a good algorithm (or code if you speak it better than English) to do the following: For a given IP range (e.g. 1.1.1.1 - 1.1.2.247), ...
I have many large 1GB+ matrices of doubles (floats), many of them 0.0, that need to be stored efficiently. I indend on keeping the double type since s ...
I want to implement an algorithm to get a list of prime numbers between 1 and a very large number. I was going to use erasthosthenes sieve. But to imp ...