Mastering a MySQL 5.7 Migration Successfully
A brief summary of how to migrate large databases to MySQL 5.7 and steps upgrading MySQL while keeping production up and running.
Software Development
Posts about software development in general.
PHPAlgorithms 1.0.0 is there
PHPAlgorithms is released in version 1.0.0. Read about the improvements and breaking changes for this stable release.
PHP Exceptions and the Stacktrace
A feature that a colleague and me were developing has caused us to stumble across an interesting and edge case problem with PHP exceptions.
Converting Roman Numerals To Decimal Integers
This blog post addresses converting Roman Numerals to decimal integers as a preparation for a coding interview for Big Tech.
Simple URL Crawler to Extract Internal and External Links in PHP
This blog post addresses a very simple, not finished URL Crawler that separates internal and external URLs appearing on a website.
Vagrant Getting Started
This blog post is a summary of my getting started with Vagrant in 2019. It shows a very specific set up and may or may not fit to your needs.
Traversing a 2D Matrix
In this blog, I address the problem of 'find the number of islands' or 'connected components in an undirected graph' traversing a 2D matrix.
Role-Based Access Control in PHP: Database Schema, Algorithms, and Implementation
Complete guide to RBAC in PHP: database schema, why BST beats naive iteration (O(n log m) vs O(u×r×p)), implementation with simple-rbac library, and common pitfalls.
Recommendation Assistant 1.0.0 is here
Recommendation Assistant in version 1.0.0 is part of my Master's Thesis and denotes a hybrid approach of Recommendation Algorithms.
Contact Synchronization Client: A First Try
This blog post describes a first attempt at building a contact synchronization client using PHP and Python.