Solution for permission and connection problems with MongoDB on macOS
Stepwise description of solving permission and connection issues with MongoDB on macOS. Final stabile solution (see §7) is setting a global alias with the right path in ~/.zshrc 2. Prerequisites Suitable […]...
Datavisualisation: what can you see?
In this blogpost I am zooming in into understanding how visual informatie is processed by Describing the underlying principles of perceptual organization Explain why design should support visual queries Describe […]...
Multivariate data, multiviews and interaction
This article I will cover how to: Understand the application of multivariate data Understand the functions of multiviews Datatypes defined by Ben Shneiderman Apply multiviews for exploratory and explanatory data […]...
String representation of objects
Implementation of str: Implementation of repr Surround string arguments with quotation marks in the __repr__() output. String representation of objects There are two special methods in Python that return a […]...
String formatting with variables
The method to use is: str.format(*args, **kwargs) Perform a string formatting operation. The string on which this method is called can contain literal text or replacement fields delimited by braces {}. Each […]...
Object Oriented Programming: Comparing and inheritance
A summary from a course on datacamp.com: Overloading equality When comparing two objects of a custom class using ==, Python by default compares just the object references, not the data contained […]...
Creating a subclass
The purpose of child classes — or sub-classes, as they are usually called – is to customize and extend functionality of the parent class. Let’s call the Employee class from what we […]...
Object Oriented Programming in Python
In normal life to tend to think in sequences of activities. Procedural programming Code as a sequence of steps Great for data analysis and scripts Object-oriented programming Code as interactions […]...