I have k csv files (5 csv files for example), each file has m fields which produce a key and n values. I need to produce a single csv file with aggregated data. I'm looking for the most efficient ...
I have a very big file delimited by some sequence of characters '*L*I*N*E'. The file will be of the order of 250G. And each line comes around 600bytes to 1000 bytes. I will be performing the following ...
I'm thinking of scientific applications that are mostly processor-bound and heavy on heap usage (at least several gigabytes). Any other time of the year I would happily go with C++, but in this case I ...