Rules
Everything on SkillVeris tagged Rules — collected across the glossary, study notes, blog, and cheat sheets.
8 resources across 1 library
Study Notes(8)
Business Rules
Apply no-code logic in Dataverse tables to set field values, show warnings, and enforce validation without writing JavaScript.
Facts and Rules in Prolog
How Prolog knowledge bases are built from facts and rules, including how conjunctions (AND) and multiple clauses (OR) combine to express logic.
Locations and Matching Rules
How Nginx's location block matching algorithm actually works — prefix, exact, and regex modifiers, and the precedence order that trips up most misconfiguration…
Subnets and Firewall Rules
Learn how GCP subnets divide a VPC's IP address space by region, and how stateful, priority-based firewall rules control what traffic is allowed in and out of…
Ingress Controllers
How Ingress resources describe HTTP routing rules and how Ingress controllers like NGINX, Traefik, and cloud ALB controllers actually fulfill them, including T…
Rules of Hooks
Learn the two Rules of Hooks — only call at the top level, only call from React functions — and why they exist.
Vectorized Operations and Broadcasting
Vectorization applies operations across whole arrays without explicit loops, and broadcasting extends this to arrays of different but compatible shapes.
PHP Syntax and Variables
Covers PHP's basic script structure, statement termination, comments, and how variables are declared, scoped, and named in PHP 8.x.