The syntax and rules of extension functions are explained also explained elsewhere, but this page is more tutorial style, covers the background and 'why do we need extensions' and 'what is the benefit', together with simple examples, and even useful examples. The topics are: What are extension functions/properties? What is the advantage of extension functions?… Continue reading Extension Functions & Extension Properties
Tag: programming
Scheduling: Schedule, design, code?
Or perhaps: schedule, design, build? Either way, while that sequence may sound like waterfall, even agile is really a repetition of this sequence over and over. This page discusses why these 3 steps are problematic for software, but still must be followed despite problems, and how to schedule projects using this sequence that initially can… Continue reading Scheduling: Schedule, design, code?
TDD or Not TDD? That is the question!
What actually is TDD (Test Driven Development) ? Is TDD Dead? Do you associate this term for when Tests actually Drive Development, or use the label TDD for the practice of ensuring code coverage by having units tests? TDD can be taken to mean different things than the original meaning, and there are some risks… Continue reading TDD or Not TDD? That is the question!
Python dataclasses: A revolution
Python data classes are a new feature in Python 3.7, which is currently in Beta 4 and scheduled for final release in June 2018. However, a simple pip install brings a backport to Python 3.6. The name dataclass sounds like this feature is specifically for classes with data and no methods, but in reality, just… Continue reading Python dataclasses: A revolution
Python Annotations
Not to be confused with the use of the @ symbol, which is an annotation in Kotlin but a decorator in python. Python syntax allows for two flavours of annotations: variable annotations: Introduced in Python 3.6 (2016) function annotations: Introduced in Python 3.0 (2008) Introduction. Both flavours of annotation work in the same manner. They… Continue reading Python Annotations
Python+Kotlin = Python++ 