networking ubuntu
Just a bunch of handy commands How to clear dns cache: sudo systemd-resolve –flush-caches How to check cache: sudo systemd-resolve –statistics How to view dns cache content sudo pkill -USR1 […]
Network Analysis
Probability and Statistics
Which envelope should you choose?
A detailed solution for a problem about total probability This article tackles problem number 7 of chapter 9 from the book “Introduction to Probability” by Blitzstein and Hwang, second edition.
Math, Probability and Statistics
Variance, Covariance, Autocovariance…what?
This article aims to distinguish between Variance, Covariance, Correlation, Autocovariance, and Autocorrelation. Furthermore there will be a numerical discrete example for computing the Autocorrelation in python. This article will not
Programming, Scala
Difference between function and method
In Scala you can create functions using a so-called “function literal” E.g. Such an expression is called: function literal lambda function anonymous function Under the hood, that is by the
Scala
Val and def
In the above class definition ‘val’ means, that the class has the fields head and tail. Without ‘val’ those fields are private. So ‘val’ is a way to define a
Programming
Coin change problem
If somebody asks you to change a 10 cent coin and you have an unlimited number of 1 cent coins, 2 cent coins, and 5 cent coins, in how many