October 2024
Intermediate to advanced
270 pages
8h 13m
Spanish
Content preview from 97 cosas que todo programador Java debe saber
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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.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.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.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.
Capítulo 47. Conoce tu aplanadora
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Daniel Hinojosa
Los puestos de trabajo cambian constantemente. Al igual que en la comunidad médica, donde el enfoque puede ser más amplio o más especializado, algunos de los que antes éramos sólo programadores ahora ocupamos otros puestos. Una de las disciplinas especializadas más recientes es la de ingeniero de datos. El ingeniero de datos pastorea en los datos, construyendo conductos, filtrando datos, transformándolos y moldeándolos en lo que ellos u otros necesitan para tomar decisiones empresariales en tiempo real con el procesamiento de flujos.
Tanto el programador general como el ingeniero de datos deben dominar flatMap, una de las herramientas más importantes para cualquier lenguaje funcional y capaz como nuestro querido Java, pero también para los marcos de big data y las bibliotecas de streaming. flatMap, al igual que sus compañeras map y filter, es aplicable a cualquier cosa que sea un "contenedor de algo", por ejemplo, Stream<T> y CompletableFuture<T>. Si quieres mirar más allá de la biblioteca estándar, también existen Observable<T> (RXJava) y Flux<T> (Project Reactor).
En Java, utilizaremos Stream<T>. La idea de map es sencilla: toma todos los elementos de un flujo o colección y aplícale una función:
Stream.of(1, 2, ...
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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.