Tag: design
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Terms pinged17 / 17
Distinct agents20
Abstract Factory Pattern
PHP 5.0+
Creates families of related objects ensuring they are used together consistently without mixing implementations.
6mo ago
Code Quality intermediate
Aggregate Design Heuristics
PHP 7.0+
3
Rules for sizing aggregates correctly — small aggregates with single-entity transactions, referencing other aggregates by ID, and designing boundaries around invariants not convenience.
6mo ago
Architecture advanced
Colour-Blind Accessible Design
CSS3
1
Design for the 8% of men with colour vision deficiency — pair colour with icons, labels, and patterns; never use colour as the only differentiator.
6mo ago
Accessibility intermediate
Gateway Pattern
1
A class that encapsulates access to an external system or resource — wrapping HTTP APIs, queues, or legacy systems behind a clean interface that the rest of the application uses.
6mo ago
Code Quality intermediate
Global Variable Abuse
PHP 5.0+
Using global variables or the global keyword to share state between functions — making code unpredictable, untestable, and impossible to reason about.
6mo ago
Code Quality intermediate
Interpreter Pattern
A grammar represented as a class hierarchy — used for search query parsers, expression evaluators, and rule engines.
6mo ago
Code Quality advanced
Low Cohesion
A class or module that does many unrelated things — high coupling's counterpart, making code hard to understand, test, and reuse.
6mo ago
Code Quality intermediate
Memento Pattern
PHP 5.0+
A behavioural pattern that captures an object's internal state and stores it externally so it can be restored later — enabling undo, snapshots, and versioning without exposing internals.
6mo ago
Code Quality intermediate
Transaction Script Pattern
3
A pattern where each business operation is a single procedure — simple, linear, and appropriate for straightforward workflows without complex domain logic.
6mo ago
Code Quality intermediate
Colour Contrast
CSS3
3
The ratio between foreground and background colours — WCAG requires 4.5:1 for normal text and 3:1 for large text at AA level, ensuring readability for low-vision users.
6mo ago
Accessibility beginner
Database Normalisation
1
The process of structuring a relational database to reduce redundancy and improve integrity, defined through progressive normal forms (1NF through BCNF).
6mo ago
Database intermediate
Database Schema Design
PHP 5.0+
5
The process of defining tables, columns, data types, constraints, and relationships — decisions made at schema design time are expensive to reverse once data is live.
6mo ago
Database intermediate
Event Storming
A collaborative workshop technique for rapidly exploring complex business domains using sticky notes — surfacing domain events, commands, and bounded contexts.
6mo ago
Architecture advanced
Foreign Keys & Referential Integrity
PHP 5.0+
1
A foreign key is a column that references the primary key of another table, enforcing referential integrity — no orphaned rows pointing to non-existent parents.
6mo ago
Database intermediate
KISS Principle
PHP 5.0+
Keep It Simple, Stupid — prefer the simplest solution that solves the problem over clever or complex abstractions.
6mo ago
Code Quality beginner
Ubiquitous Language (DDD)
2
A shared vocabulary between developers and domain experts, used consistently in code, tests, documentation, and conversation.
6mo ago
Architecture intermediate
UUID vs ULID vs Auto-Increment
PHP 7.0+
Primary key strategies: auto-increment is simple and fast, UUID v4 is globally unique but random (poor index performance), UUID v7 and ULID are sortable globally unique IDs.
6mo ago
Database intermediate