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How to Delete Related Records in Laravel Eloquent
Delete related rows automatically in Laravel with database-level cascade constraints or Eloquent's deleting event. Compare the two approaches plus SoftDeletes…
How to Change a MySQL Column Type in Laravel Migration
Change a MySQL column type in Laravel using the change() method. Covers Laravel 10+ native support, doctrine/dbal for older versions,…
How to Add New Columns to an Existing Table in Laravel Migration
Add new columns to an existing Laravel table with a migration. Covers nullable defaults, column position, dropColumn, and reversible down()…
How to Add Foreign Keys in Laravel Migration
Add foreign keys in Laravel migrations using foreignId and constrained. Learn cascadeOnDelete, dropForeign, and the explicit long-form syntax.
How to Use the Laravel Validator Exists Rule
Learn how to validate a database reference with Laravel's exists validation rule. Use table, model, and fluent Rule::exists() forms plus…
How to Check if a Record Exists in Laravel
Learn four idiomatic ways to check if a record exists in Laravel: exists(), doesntExist(), count(), first(), and firstOrFail(). Pick the…
Laravel updateOrCreate: Insert or Update Records in Eloquent
Laravel updateOrCreate inserts or updates a record in one call. Learn when to use updateOrCreate, firstOrNew, upsert, and updateOrInsert in…
How to Upgrade the Linux Kernel in CentOS 7
Learn how to upgrade the Linux kernel in CentOS 7 using ELRepo. Step-by-step guide covering kernel installation, GRUB configuration, and…
How to Install Node.js on Ubuntu (22.04 & 24.04): Step-by-Step
Install Node.js LTS on Ubuntu 22.04 or 24.04 via NodeSource or nvm. Verify npm, avoid stale setup_18.x, and fix the…
How to Configure WordPress Multisite with Subdirectories on Nginx
Configure WordPress multisite with subdirectories on Nginx: enable the flag, run Network Setup, add the rewrite rules, and verify a…