Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

If you run a ruby program though Bash and the ruby program read multiple inputs from the console, all inputs will be the same as the first …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

Array

1. The method push inserts an element to the back of the arry; the method insert inserts an element to any place of the array.

2. The method …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

read.table, read.csv, read.delim, etc.

1. It is suggested that you use read.csv/read.delim and avoid using read.table. This is because that the …