@pksilen2

Petri K. Silén

@pksilen2

Clean code is not an aesthetic choice; It is a professional advantage.

Joined January 2026

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Petri K. Silén's blogs

Code Clarity Clubcodeclarityclub.hashnode.dev10 posts

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codeclarityclub.hashnode.dev

Clean Code Tip 9: Don't repeat yourself (DRY)

DRY is a design principle that states: Every piece of knowledge or logic in a system should exist in only one place. Failure to adhere to the DRY principle often results in redundant code appearing in

5d ago2 min read

codeclarityclub.hashnode.dev

Clean Code Tip 8: You ain't gonna need it (YAGNI)

In software development, YAGNI stands for "Don’t implement something until you actually need it." This means you should avoid writing code for features, optimizations, or flexibility that you only think might be useful in the future. Focus on buildin...

Feb 112 min read

codeclarityclub.hashnode.dev

Clean Code Tip 7: Keep it simple, stupid (KISS)

KISS is a design principle that suggests systems work best when they are simple, not complicated. The word “stupid” is not meant to insult anyone, even if it might sound that way. It serves as a clear reminder to avoid overthinking or making things m...

Feb 91 min read

codeclarityclub.hashnode.dev

Clean Code Tip 6: Write code that is easy to change

Evolution is a fundamental principle of nature, and it is equally applicable to software. Software systems inevitably require modification over time, which may span months, years, or even decades. Consequently, code should be structured to facilitate...

Jan 304 min read

codeclarityclub.hashnode.dev

Clean Code Tip 5: Write code for other people and your future self

Code should be written with the understanding that it will be read and maintained by others, not solely by its original author. It is insufficient for only the author to comprehend the code at the time of writing; future readability, even years later...

Jan 291 min read

Petri K. Silén

About

Available for

Petri K. Silén's blogs

Recently published

Clean Code Tip 9: Don't repeat yourself (DRY)

Clean Code Tip 8: You ain't gonna need it (YAGNI)

Clean Code Tip 7: Keep it simple, stupid (KISS)

Clean Code Tip 6: Write code that is easy to change

Clean Code Tip 5: Write code for other people and your future self

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Petri K. Silén

About

Available for

Petri K. Silén's blogs

Recently published

Clean Code Tip 9: Don't repeat yourself (DRY)

Clean Code Tip 8: You ain't gonna need it (YAGNI)

Clean Code Tip 7: Keep it simple, stupid (KISS)

Clean Code Tip 6: Write code that is easy to change

Clean Code Tip 5: Write code for other people and your future self