October 2024
Intermediate to advanced
408 pages
11h 9m
Spanish
Content preview from C del siglo XXI, 2ª edición
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Capítulo 6. Tu Amigo el Puntero
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Es el único
A quién le gustan nuestras bonitas canciones
Y le gusta cantar
Y le gusta disparar su pistola
Pero no sabe lo que significa.
Nirvana, "In Bloom"
Como una canción sobre música, o una película sobre Hollywood, un puntero son datos que describen otros datos. Desde luego, es fácil sentirse abrumado: de golpe, tienes que lidiar con perderte en referencias a referencias, alias, gestión de memoria y malloc. Pero nuestra escandalosa fortuna se descompone en componentes separados. Por ejemplo, podemos utilizar punteros como alias sin molestarnos con malloc, que no tiene por qué aparecer tan a menudo como los libros de texto de los 90 nos decían que lo hacía. Por un lado, la sintaxis de C puede ser confusa con su uso de estrellas; por otro, la sintaxis de C nos proporciona herramientas para tratar con configuraciones especialmente complicadas como los punteros a funciones.
Los temas de este capítulo abordan errores comunes y puntos habituales de confusión. Si llevas mucho tiempo escribiendo en C, estos puntos te parecerán una segunda naturaleza, y es posible que quieras saltarte o hojear rápidamente este capítulo. Está destinado a todas aquellas personas (y son legión) que se sienten un poco incómodas cuando trabajan con punteros.
Memoria automática, estática y manual
C proporciona tres modelos básicos de gestión de memoria, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.