Series

Code Smells

In this series, we will see several symptoms and situations that make us doubt the quality of our developments. We will present possible solutions. Most are just clues. They are no hard rules.

Articles in this series

CoDe SmElL 159 - mIxEd_cASe

Aug 19, 20222 min read 14 views

Serious development is done by many different people. We have to start agreeing. · TL;DR: Don't mix different case...

CoDe SmElL 159 - mIxEd_cASe

Code Smell 158 - Variables not Variable

Aug 13, 20222 min read 50 views

You assign a value to a variable and use it, but never change it · TL;DR: Be declarative on mutability. Problems Readability Honor the Bijection...

Code Smell 158 - Variables not Variable

Code Smell 157 - Balance at 0

Aug 10, 20222 min read 72 views

Today I expected a payment in my wallet. The balance was 0. I panicked. · TL;DR: Null is not 0. Error is not 0. just 0 is...

Code Smell 157 - Balance at 0

Code Smell 156 - Implicit Else

Aug 6, 20222 min read 125 views

We learn if/else on our first programming day. Then we forget the else · TL;DR: Be explicit. Even with Else. Problems Readability Cognitive...

Code Smell 156 - Implicit Else

Code Smell 155 - Multiple Promises

Aug 3, 20222 min read 92 views

You have promises. You need to wait. Wait for them all · TL;DR: Don't block yourself in a sorted way. Problems Indeterminism Performance...

Code Smell 155 - Multiple Promises

Code Smell 154 - Too Many Variables

Jul 31, 20222 min read 76 views

You debug code and see too many variables declared and active TL;DR: Variables should be as local as possible Problems Readability Code...

Code Smell 154 - Too Many Variables