March 2025
Intermediate to advanced
654 pages
16h 24m
Spanish
Content preview from Aprender PHP, MySQL y JavaScript, 7.ª edición
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Apéndice A. Soluciones a las preguntas del capítulo
Capítulo 1 Respuestas
- 1.
-
Un servidor web (como Apache), un lenguaje de programación del lado del servidor (PHP), una base de datos (MySQL) y un lenguaje de programación del lado del cliente (JavaScript).
- 2.
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Lenguaje de marcado de hipertexto: la propia página web, incluyendo el texto y las etiquetas de marcado.
- 3.
-
Como casi todos los motores de bases de datos basados en SQL, MySQL acepta comandos en Lenguaje de Consulta Estructurado (SQL). SQL es la forma en que todo usuario (incluido un programa PHP) se comunica con MySQL.
- 4.
-
PHP se ejecuta en el servidor, mientras que JavaScript se ejecuta en el cliente. PHP puede comunicarse con la base de datos para almacenar y recuperar datos, pero no puede alterar la página web del usuario de forma rápida y dinámica. JavaScript tiene las ventajas y los inconvenientes opuestos. Con Node.js, JavaScript también puede utilizarse en el servidor.
- 5.
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Hojas de estilo en cascada: reglas de estilo y diseño que se aplican a los elementos de un documento HTML.
- 6.
-
Probablemente los nuevos elementos más interesantes de HTML5 sean
<audio>,<video>, y<canvas>, aunque hay muchos otros, como<article>,<summary>,<footer>. - 7.
-
Algunas de estas tecnologías están controladas por empresas que aceptan informes de fallos y corrigen los errores como cualquier empresa de software. Pero el software de código abierto también depende de una comunidad, por lo que tu informe de error puede ser gestionado ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.