Nikhil questions

Nikhil answers

• How to use dd to fill a disk with a specific char?
• How To Append To File in C, using Open in O_APPEND Mode on linux?
• Perl's Modules lists
• SQL select MAX(COUNT)
• Cassandra Wide Vs Skinny Rows for large columns
• Can anybody please explain (my $self = shift) in Perl
• Methods and their comparison for reading huge log file in perl
• What is the fastest data structure (and sorting algorithm) to sort a set of numbers? [closed]
• How to add arbitrary columns to Cassandra using CQL with Datastax Java driver?