Tutorials

Step-by-step tutorials, tested on real projects.

Multi-chapter series with a repository, a dated environment and exercises, then the classic JavaScript, PHP and Laravel tutorials brought up to date.

Single-article tutorials — page 2

IndexedDB tutorial: store data in the browser with JavaScriptIndexedDB tutorial: store data in the browser with JavaScriptTutorial · 6 minSend an email with PHP: SMTP, DKIM and deliverabilitySend an email with PHP: SMTP, DKIM and deliverabilityTutorial · 9 min · verified on 7 September 2026Check if an input is empty using only CSS and HTMLCheck if an input is empty using only CSS and HTMLTutorial · 2 minResponsive menu with Flexbox: build one in three stepsResponsive menu with Flexbox: build one in three stepsTutorial · 6 minCSS variables tutorial: declare, scope and use custom propertiesCSS variables tutorial: declare, scope and use custom propertiesTutorial · 4 min · verified on 7 September 2026PHP file upload: validation that holds, and base64 imagesPHP file upload: validation that holds, and base64 imagesTutorial · 11 min · verified on 7 September 2026CSS transition property: how to animate without JavaScriptCSS transition property: how to animate without JavaScriptTutorial · 2 minHow to migrate a WordPress site to a new host, step by stepHow to migrate a WordPress site to a new host, step by stepTutorial · 5 minDisable WordPress search: with a snippet or with a pluginDisable WordPress search without a plugin (functions.php, ?s=, REST)Tutorial · 5 min · verified on 7 September 2026Let’s Encrypt on Nginx: install a free SSL certificateLet’s Encrypt on Nginx: install a free SSL certificateTutorial · 5 min
Newsletter

New tests, tutorials and projects, by e-mail.

Reproducible tests, versioned code, dated results. Never any spam.