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)

Laravel debug mode: enabling, disabling and the config cacheLaravel debug mode: enabling, disabling and the config cacheTutorial · 3 min · verified on 2 September 2026Format numbers in JavaScript with the Numeral libraryFormat a number in JavaScript: toFixed, Intl.NumberFormat, roundingTutorial · 5 min · verified on 7 September 2026Check if an object is empty in JavaScript: vanilla and LodashCheck if an object is empty in JavaScript: vanilla and LodashTutorial · 4 minRestrict access to the WordPress dashboard by user roleRestrict access to the WordPress dashboard by user roleTutorial · 2 minFix “laravel: command not found” on macOS (zsh and bash)Fix “laravel: command not found” on macOS (zsh and bash)Tutorial · 3 min · verified on 2 September 2026Reading large files in PHP without killing your serverReading large files in PHP without killing your serverTutorial · 7 min · verified on 2 September 2026IndexedDB 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
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