ISP Uptime Checker Util
Recently I got myself a Raspberry Pi 3 model B+ to tinker with during the Christmas holiday. I’m planning to use it for a mini home server to host my...
Scan Durations of Different Nmap Scan Techniques
Nmap is a free and open source network scanning tools commonly used for network security checking. Nmap provides several options we can use to tweak our network scanning configurations in...
Basic Concepts of Word Embedding
Word embedding is a method to represent words as vectors, where the words with similar meaning are identified with vectors similar to each other. This article gives a more thorough...
Adjacency Matrix in Graph Theory
There are several ways to represent the connections between vertices in a graph, one of those is the adjacency matrix. An adjacency matrix is a square matrix \(N \times N\)...
Autocorrelation: ACF and PACF
Autocorrelation function (ACF) is defined as the correlation of a signal \(S_t\) with a delayed copy as itself \(S_{t + k}\) as a function of delay where we’re measuring the...