Learn more about computerscience with this collection
Understanding machine learning models
Improving data analysis and decision-making
How Google uses logic in machine learning
A Complex Example of using Dataclasses
In the image example, the generated code includes:
- typed attributes
- hidden attributes from __repr__ response
- custom __hash__ dunder with the selected fields
- attribute with default factory value in __init__ constructor
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Dataclasses & What are they for
Dataclasses are an implementation of a code generator, similar to a Named Tuple.
The idea of using a code generator is to save time and reduce wordiness.
There are two views about the purpose of Dataclasses:
- It makes a mutable da...
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Generated Code Includes
- Dunder methods like init, repr, eq, lt, le, etc.
- Frozen nature by generating dunder methods for __setattr__ and __delattr__
- Class variables for the provided attributes
The code generation can be configured by providing keyword a...
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Comparison with Named Tuples
- Dataclasses are by default mutable
- Named Tuples have methods which start with an underscore which can be confusing. Ex: obj._replace...
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A History Lesson
In the beginning there where:
- dicts for look-ups
- tuples for structures
- hand-written classes for more functionality
Later Named Tuples where added as a code generator with the goal of adding ...
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28 reads
CURATED FROM
CURATED BY
I started using Dataclasses and I think you should too
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The alt attribute is quite useful. It helps screen reader users understand what is shown in the picture. Unfortunately, many developers don’t use it efficiently. They either duplicate the text around the picture or don’t add it at all.
But we can use alt differently. For example, use the ti...
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The Basic Error Of Science
... has always been viewing of the subject or object in isolation. In most fields of study, things are treated as separate from each other. Objects are dissected and analysed by breaking them down to atomic levels. For Example, the mind is treated as separate from the body.
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