Calculating Processing Time in Linux Shell File

#!/bin/bash
START=$(date +%s)
# do something
# start your script work here
ls -R /etc > /tmp/x
rm -f /tmp/x
# your logic ends here
END=$(date +%s)
DIFF=$(( $END - $START ))
echo "It took $DIFF seconds"

Installing Blender on Ubuntu System

Nice link including step by step instructions:


http://askubuntu.com/questions/110821/how-to-install-blender-from-the-official-website

Removing Extension of a File Name C++

Quite practical one:

int lastindex = fullname.find_last_of("."); 
string rawname = fullname.substr(0, lastindex); 

Example PLY files

Example ASCII PLY files of mesh data:

http://people.sc.fsu.edu/~jburkardt/data/ply/ply.html