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Articles tagged with #design-patterns
Null Objects are great alternatives to The Billion Dollar Mistake. Sometimes we don't need them TL;DR: Don't abuse patterns. Even NullObject. Problems Empty Classes Namespace Polluting Duplicated Behavior Solutions Create Null Objects instant...
Nested IFs and Elses are very hard to read and test TL;DR: Avoid nested IFs. Even Better: Avoid ALL IFs Problems Readability Solutions Extract Method Combine Boolean Conditions Remove accidental IFs Context In procedural code, it is very co...
Yet another premature optimization pattern TL;DR: Do not use lazy initialization. Use an object provider instead. Problems Surprising Side Effects Premature Optimization Fail Fast Violation Implementative Coupling The Least Surprise Principle ...
Searching for a concrete method implementation? Go back and forth, up and down. TL;DR: Don't ab(use) hierarchies. Problems Deep Hierarchies Subclassification for Code Reuse Readability Low Cohesion High Coupling Solutions Favor composition ...
We learned loops back in school. But enumerators and iterators are the next generation. TL;DR: Don't use indices while iterating. Prefer Higher level collections. Problems Encapsulation Declarativeness Solutions Favor foreach() or high order i...
Patterns are awesome. With great powers comes great responsibility. TL;DR: Don't abuse patterns. Problems Over Design Readability Solutions Measure the tradeoff of patterns usage. Create solutions based on real world names (essential) over ar...
