I have an Excel Sheet with about 4500 checkboxes (I know, it sounds stupid, but it is for a customer, please do not ask...). Just wrote the VBA Sub below to uncheck all the boxes together. So far it works, but it is terribly slow, it takes more than 5...
Consider the following loop:“command 2” command takes systematically longer to run when “command 1” is run before it. The following plot shows the execution time of 1+1 as a function of the loop index i, averaged over 100 runs.
I have two large lists of object. First (about of 1 000 000 objects):Second (about of 20 000 objects):
Professor says this isn't a efficient algorithm to check whether the number is divisible by a number from 100,000-150,000. I'm having trouble finding a better way. Any help would be appreciated.
I have to handle a huge amount of data. Every row starts with 1 or 0. I need a dataframe where every rows start with 1, so I have to step left all rows values till the first value is 1.
I am not an expert C programmer and I know that including .c source file from another is considered bad practice, but I have a situation where I think it could help maintainability.
I am using Pandas dataframes and want to create a new column as a function of existing columns. I have not seen a good discussion of the speed difference between df.apply() and np.vectorize(), so I thought I would ask here.
In a folder, I would like to print the name of every .txt files that contain n=27 lines or fewer lines. I could do
I have a matrix index in Matlab with size GxN and a matrix A with size MxN. Let me provide an example before presenting my question.
I would like to create a macro or function1 mask(n) which given a number n returns an unsigned integer with its n least significant bits set. Although this seems like it should be a basic primitive with heavily discussed implementations which compile efficiently - this doesn't seem to be the...