It is often more useful to think of applied field in terms of polar coordinates - with an angle and a magnitude. By default the Zeeman term in OOMMF takes inputs in cartesian coordinates - i.e. x, ...
Joining tables in SQL is an essential part of many digital services and products. Joins let you answer questions such as which customers bought which products? How many staff work at a particular l...
Logging can offer much more flexibility than simply printing a message to the console but it can be difficult to know where to start. This post looks a some examples of simple python logging to get...
With the Microsoft Word Docx format, it’s quite easy to see how images are stored. Docx files have been the default Word format since Word 2007, and are an open document format based on xml. The do...
XML, or Extensible Mark-up Language, is a set of rules for encoding data and documents in a way that is both human and machine readable. XML excels where you need to transfer data between different...
A few ways to do linear regressions on data in python. Linear regression is a simple and common technique for modelling the relationship between dependent and independent variables. This post gives...
Find out where to find sample datasets for playing with data in Python. If you’re testing or validating a model or analysis for data science or machine learning, it can be useful to have some sampl...
Make pandas boxplots more readable by sorting. Plotting with pandas dataframes usually works well, and makes it easy explore and visualise data. With simple pandas code like this: df.boxplot(by="g...
Data tables often come in a format that makes sense to the human who created the table, but that’s difficult for analysis. To make analysis easier we can reshape the data into a more computer-frien...
Have multiple versions of Python on the same system with Anaconda Python environments. It can be good to have multiple versions of python on the same system for testing, development, or just to use...