Local Variables in Ruby
Pop Quiz: Consider the code below, and ask: where is the variable ‘greeting’ defined?
What does 'sender' / 'receiver' / 'message' mean in Ruby?
Consider the following:
What does "self" mean in Ruby?
Experiments with self
Port Forwarding On Ubuntu Using iptables
If you need to forward TCP packets then you can do so using iptables - which is a firewall installed in Unbutu.
The Moral Hazard Problem
What is the root of all evil in business, construction and finance?
The Delay Problem in the Building and Construction Industry
Q: How does a project get delayed by 1 year?
Understanding DHCP
We will use an analogy to explain the concept:
Multiplexing in Circuit Switched Networks
We continue our networking series, utilising analogies to explain:
Different Types of Data Transfer - Circuit vs Packet Switching
There are two ways of transferring data over networks:
What is a protocol?
Abstract definition: