Page 21 - Monthly Archives: November 2025

Custom events are the lightweight way to let independent Alpine.js components communicate without setting up a central store. With $dispatch and matching event listeners, a component bus emerges where sender and receiver don't need to know about each other, as long as both agree on the same event name and payload structure.

The Hyvä checkout is built from Alpine.js components with no Knockout.js and no UI components, styled entirely with Tailwind CSS utility classes. Knowing the right Hyvä checkout styling patterns for the step indicator, payment method selection and order summary helps you avoid layout shifts, unclear error states and inconsistent spacing between checkout steps.

Forms are the most common performance bottleneck in React applications, not because forms are hard, but because controlled inputs trigger a re-render on every keystroke. React Hook Form sidesteps this with uncontrolled inputs and its own subscription system. Combined with Zod schemas, it becomes a type-safe, performant form solution without compromises.

Scattered mysql_ calls and string-concatenated SQL queries are one of the most common and most dangerous inheritances of old PHP projects. This article shows how to systematically replace such legacy database access with a unified PDO layer built on prepared statements, without interrupting operations.

A scrollbar that suddenly appears or disappears shifts the entire visible content by its own width, because under classic overflow: auto it shrinks the available content area. scrollbar-gutter: stable reserves that space permanently, whether the bar is currently visible or not, eliminating one of the most stubborn layout shift bugs on the web.

ChatGPT search combines a dedicated crawler, a Bing-backed search index and real-time browsing into a system that formulates answers directly inside the chat while naming individual sources. Anyone who understands how OAI-SearchBot crawls, how passages get scored and which structure raises citation probability can work on their own ChatGPT search visibility on purpose, instead of hoping for luck.

Anyone who wants to systematically solve network problems on a Linux server needs a clear understanding of interfaces, routing and name resolution. This article explains how ip addr and ip link manage interfaces, how the routing table works with ip route, how resolv.conf and nsswitch.conf control DNS, and the fixed order in which connectivity failures can reliably be narrowed down.

Broken Access Control has ranked number 1 in the OWASP Top 10 since 2021 and affects most tested web applications. This article explains IDOR, missing function-level access control, and privilege escalation via parameter tampering with concrete examples, then shows how to implement clean access control in Magento using ACL patterns and the principle of least privilege.

An overloaded web server is rarely down to application code alone. More often, it comes down to mismatched operating system limits and undersized PHP-FPM pools that collapse under real traffic. This article shows, in practical terms, how to correctly size Nginx worker processes, file descriptor limits, the TCP backlog, and pm.max_children based on the memory actually available, and how to back up every single change with real benchmark numbers instead of relying on guesswork.