Database How to Use WHERE Clause with mysqldump
When backing up MySQL data using mysqldump, you may need to export only specific data instead of the entire database, es...
千原 耕司
Database 
Laravel How to Implement OR Conditions with Laravel Collection
When working with Laravel's Collection, you may need to filter data using OR conditions. While Laravel provides an easy-...
PHP How to Retrieve Consecutive Alphabets from A to Z in PHP
In PHP, you can easily retrieve consecutive alphabets from A to Z using the built-in range() function. This is a helpful...
AWS How to Fix AWS CLI Help Errors: Step-by-Step Guide
When using AWS CLI and running the help command to look up parameters, you might encounter this error:$ aws cloudfront h...
Example DB design for “Gotcha” – Grade Probability
This article describes a suggested DB design.This design is just an example.Please use this as a template and adapt it t...
Database DB design of “reservation system” – basic form
This article describes a proposed DB design for a "Reservation System".SummaryThere are no complicated functions.All you...
Laravel [Laravel] Using Resources in API Responses
This article is an article of explanation about Resources in Laravel.What is Resources?When using the API to convert an ...
PHP How to find the distance of coordinates between two points
This article shows how to find the straight line distance between two points from their latitude and longitude.What is l...
PHP [PHP] How to convert from strings to numbers
This article describes how to convert from strings to numbers in PHP.PHP is a dynamically typed language, meaning that t...
Example DB design for a “Waiting list system”
This article presents a proposal for a DB design related to a "Waiting list system".Some types are described, from very ...
