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How7o > Articles by: how7o

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253 Articles

Laravel migration adding two new columns to an existing transactions table

Web Development

How to Add New Columns to an Existing Table in Laravel Migration

how7o

April 19, 2026

Laravel foreign key constraint linking posts.user_id to users.id in a schema diagram

Web Development

How to Add Foreign Keys in Laravel Migration

how7o

April 19, 2026

Laravel validator exists rule checking a post_id against the posts table

Web Development

How to Use the Laravel Validator Exists Rule

how7o

April 19, 2026

Laravel Eloquent exists method checking if a record exists in a database query

Web Development

How to Check if a Record Exists in Laravel

how7o

April 19, 2026

Laravel updateOrCreate method shown in an Eloquent code snippet with insert and update branches

Web Development

Laravel updateOrCreate: Insert or Update Records in Eloquent

how7o

April 19, 2026

Step-by-step guide to upgrading the Linux kernel in CentOS 7 using ELRepo

Server Management

How to Upgrade the Linux Kernel in CentOS 7

how7o

April 16, 2026

Install Node.js on Ubuntu — terminal with NodeSource setup_22.x curl command and Node.js hexagon icon

Web Development

How to Install Node.js on Ubuntu (22.04 & 24.04): Step-by-Step

how7o

April 16, 2026

Configure WordPress multisite with subdirectories on Nginx — nginx gear + wordpress tree with subsite branches

Web Development

How to Configure WordPress Multisite with Subdirectories on Nginx

how7o

April 16, 2026

Install Laravel on Ubuntu — terminal with composer create-project command and Laravel red-pillar icon

Web Development

How to Install Laravel on Ubuntu: Step-by-Step Guide

how7o

April 16, 2026

Install PHP on Ubuntu — terminal with apt install php command and stylized elephant icon

Web Development

How to Install PHP on Ubuntu (22.04 & 24.04): Step-by-Step Guide

how7o

April 16, 2026

Install Composer on Ubuntu — terminal with composer-setup.php and PHP elephant icon

Web Development

How to Install Composer on Ubuntu: Step-by-Step Guide

how7o

April 16, 2026

Install MySQL on Ubuntu 22.04 — terminal with apt command and database cylinder icon

Server Management

How to Install MySQL on Ubuntu 22.04: Step-by-Step Guide

how7o

April 15, 2026

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