Magento Blog: Guides and Practical Know-how | Page 165 | mironsoft
Magento Blog
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Oct 4, 2025
JSDOM based tests sometimes lie: they simulate browser behavior but do not test what a real browser actually does with a component. Playwright Component Testing renders every React component in a real Chromium, Firefox or WebKit instance, without spinning up the whole application.
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Oct 4, 2025
APT manages software packages on Debian and Ubuntu servers, yet most admins use only a fraction of its capabilities. This article explains how APT resolves dependencies, why apt, apt-get, and dpkg serve different purposes, how pinning prevents unwanted upgrades, how to safely add third-party repositories, and how to keep the package cache clean.
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Oct 4, 2025
Route splitting is the standard entry point, but the noticeable improvement often sits one level deeper. Component level splits, deliberate vendor chunking and preload hints together decide whether code splitting merely looks good in the bundle report or actually shortens load time for users.
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Oct 4, 2025
Some database problems aren't a matter of missing indexes or poorly written queries, they're rooted deeper in the schema design itself. These structural antipatterns repeat across projects and industries with striking consistency: a generic attribute table that makes any validation impossible, a column per repetition instead of its own row, a foreign key without an accompanying index. Each of these patterns starts out harmless and pragmatic, but turns into a genuine performance and maintenance problem as data volume grows. This collection organizes the most common cases by symptom, cause, and refactoring path.
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Oct 4, 2025
PHP generators turn ordinary functions into iterators through the yield keyword, producing values one at a time instead of building an entire result in memory upfront. Instead of loading tens of thousands of CSV rows or a full database result set into an array, a generator delivers one row at a time and keeps memory usage constant regardless of dataset size. Anyone building large imports, exports, or streaming pipelines in PHP 8.4 will run into yield sooner or later.
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Oct 4, 2025
Anyone writing layouts with margin-left, padding-right and border-top is baking physical direction dependencies into their code, and those dependencies break for RTL languages and vertical writing modes. CSS Logical Properties solve this problem at its root: a single stylesheet works equally well for Arabic, Hebrew, Japanese and German.
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Oct 4, 2025
RDB snapshots store the entire dataset of a Redis server as a compact binary file at fixed points in time. Anyone who understands save points, the BGSAVE fork mechanism, and copy-on-write can configure snapshot intervals so that data loss and latency spikes both stay under control, instead of relying on default values.
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Oct 4, 2025
Slow bucket aggregations on the category page often cost more time than the actual rendering in Hyvä shops. Tuning facet count, the GraphQL query, and caching together brings layered navigation back to a speed that matches the rest of the frontend.
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Oct 4, 2025
An open redirect vulnerability arises when an application redirects a user to an arbitrary external URL based on a parameter value from the request, say `?next=` or `?returnUrl=`, without sufficient checking, instead of restricting the target to its own domain or an explicitly allowed list. On its own this looks harmless, but an attacker can use this vulnerability to send a link that visibly points to the trusted, real domain, but that actually redirects to an attacker-controlled phishing page after a harmless-looking intermediate step.
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Oct 3, 2025
Functional tests that are slow or keep failing because of database state problems simply do not get written, and the project loses its safety net. With WebTestCase, KernelTestCase, fixtures and clear conventions for database isolation, Symfony functional tests become the fast, reliable foundation of every deployment.