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When PHP 8.4 Says “Deprecated: Creation of Dynamic Property” — What It Means and How to Fix It

When PHP 8.4 Says “Deprecated: Creation of Dynamic Property” — What It Means and How to Fix It

Upgrading to PHP 8.4 brings a wave of performance improvements and cleaner language features. But along with that comes one of the most commonly encountered warnings developers now see: Deprecated: Creation of dynamic property SomeClass::$propertyName is deprecated. If you’re seeing messages like this across your project — especially

How to List Only Today’s Files in Linux: A Practical and Complete Guide

How to List Only Today’s Files in Linux: A Practical and Complete Guide

Managing files efficiently is part of every developer’s daily routine. One common need is to display only the files modified today. While the ls command is often the first tool people think of, it is important to understand its limitations and the proper alternatives available in Linux. This article

Sorting Mixed Alphanumeric Slugs in MySQL: A Practical Guide for Real-World Applications

Sorting Mixed Alphanumeric Slugs in MySQL: A Practical Guide for Real-World Applications

When working with identifiers like r1, r20, r100, or smk1, smk50, smk200, it is common to expect them to sort in a natural, human-friendly order. Unfortunately, default MySQL sorting follows pure lexicographical rules, which often leads to unintuitive results such as: smk1 smk100 smk20 This article explains why this happens,

Organizing Items and Categories in SQL: A Practical Guide to Aggregated Category Names

Organizing Items and Categories in SQL: A Practical Guide to Aggregated Category Names

Relational databases often model situations where a single item can belong to multiple groups, categories, tags, or folders. Presenting this data cleanly — especially when you want to show all categories in one column — requires a thoughtful SQL strategy. This article explains how to build such a query, why it works,

Understanding the Cron Expression */10 * * * *: A Practical Guide for Developers and System Administrators

Understanding the Cron Expression /10 * * *: A Practical Guide for Developers and System Administrators

Scheduling tasks is a fundamental part of system automation. Whether you're running backups, refreshing caches, syncing data, or triggering routine jobs in your applications, cron remains one of the most reliable tools available on Unix-like systems. One expression that appears often is: */10 * * * * At first glance it looks

The Best Investment Is in Yourself — Valuing Knowledge, Mentors, and the Learning Journey

The Best Investment Is in Yourself — Valuing Knowledge, Mentors, and the Learning Journey

In a fast-moving world, there’s one kind of investment that never fails: investing in yourself. Not through stocks, property, or crypto, but through knowledge, experience, and personal growth. Sadly, many still underestimate this. Yet as the old saying goes, “Knowledge is light, and without light, we walk in darkness.

Welcome to API Hell: The Seven Deadly Sins (and a Few More) of Bad API Design

Welcome to API Hell: The Seven Deadly Sins (and a Few More) of Bad API Design

Building an API is a craft — part engineering, part empathy. It’s not just about making data accessible, but making it predictable, secure, and pleasant to use. Yet, so many developers unknowingly create what can only be described as API Hell. If your API commits any of the following sins,