Monthly Archives: November 2015

How to calculate CRC32 by hand?

By | November 7, 2015

Introduction A 32 bit Cyclical Redundancy Check is a means of error detection in data transmission. There are plenty of online calculators that will help you automatically calculate the CRC32 of a given value. What I wanted to do was to understand how it is calculated. So what better way than to try and replicate a… Read More »

My favourite error: exec_tty error: Cannot run program: Unknown reason

By | November 4, 2015

Well, almost my favourite, but it is pretty cryptic to say the least. All I was trying to do was run the default Hello World C program after a fresh install of Eclipse. (4.4 in this case) on Ubuntu 14.04 After a bit of searching, this post nailed it. I was trying to execute… Read More »