The word “Façade” means the front of the building in French. Similarly, the Facade design pattern is an interface between the client and the system. It hides the complexity of the system, isolates it from the client. It provides a higher level interface so that a client doesn’t have to deal with all the subsystems of the system individually. So that the client can use the system more easily. The Facade system is one of the structural design patterns.

Chord diagrams are eye catching, beautiful way to visualize inter-relationships between entities.

Each entity is represented by external nodes. Arcs show the relationship between nodes. The size of the arcs is determined by the strength of the relationship.

We’ll use Python and the Cloud9 IDE to create and add items to a DynamoDB table in just four simple steps!

This article discusses how cookies move around the web and how they can be stolen.

A port scan is a common technique hackers use to discover open doors or weak points in a network. A port scan attack helps cyber criminals find open ports and figure out whether they are receiving or sending data. It can also reveal whether active security devices like firewalls are being used by an organization.

This will require you some knowledge of HTML and CSS so that you can easily play around with Tags and Elements.

In this tutorial, we wrote a simple Wi-Fi scanner using the Scapy library that sniffs and decodes beacon frames which are transmitted every time by access points, they serve to announce the presence of a wireless network.

Importing packages in Python Notebook.

Let’s start Data Classes 💃that uses dataclasses module

In a normal concrete class, we want to define a constructor and __repr__ to make the custom representation of the object when object is passed as parameter to print() function.