Coding with pen and paper

Coding With Pen and Paper

Producing a rough sketch on a piece of paper may seem more like the realms of a designer desperately trying to get an idea out of their head into a physical form to share with others but I find it can also help me develop backend code.

Planning

When starting a new bit of work I normally have the rough idea in my head of how I’m going to modularise the code and what functionality each piece will need. However, if I plunge straight into coding I can at times duplicate functionality that maybe better condensed into one function of a class that other classes can extend.

By listing all the functionality I require first I can then begin to separate these concerns into classes and functions. This helps me to spot where functionality is needed in several places and any variations that maybe required, e.g. giving the option to return in differing formats.

Visualisation

My head can be a great place to start work and it all seems very clear, but putting it down on paper really helps me visualise how code can work together.

Is there a certain flow of data that must be followed? Lining up each step with a simple visual and showing how data can flow through a process and the possible outcomes at each step will highlight any areas that need special attention.

Collaboration

There are so many times when I’m speaking to clients or colleagues and I wish they could see the picture that was in my head. Things that seem very logical to me can sometimes not be vocalised as simply.

By sketching out the concept it can help others to understand what the plan is and how all the pieces will work together.

Reference

As I move forward with the work it can be easy to start focusing on the small details of each individual piece of functionality. By having a good visual reference for the overall work it helps me to keep considering the overall functionality and how it will all fit together.

In much the same way that testing can help you organise your thoughts on how your code should be structured, I find that using pen and paper is a great way to get my thoughts in order and keep the work on track.

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