November 2024
Intermediate to advanced
372 pages
9h 2m
French
Content preview from Maîtriser la brillance
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Chapitre 8. Rétroaction de l'utilisateur
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Tu peux souvent rendre ton application plus utilisable en donnant à l'utilisateur plus de visibilité sur ce qui se passe. Cela peut prendre la forme de meilleurs messages lorsque les entrées n'ont pas de sens, ou de barres de progression pour les opérations qui prennent beaucoup de temps. Certains retours d'information se font naturellement par le biais des sorties, que tu sais déjà utiliser, mais tu auras souvent besoin d'autre chose. L'objectif de ce chapitre est de te présenter quelques-unes de tes autres options.
Nous commencerons par les techniques de validation, qui informent l'utilisateur lorsqu'une entrée (ou une combinaison d'entrées) est dans un état non valide. Nous passerons ensuite aux notifications, qui envoient des messages généraux à l'utilisateur, et aux barres de progression, qui donnent des détails sur les opérations qui prennent du temps et qui sont composées de nombreuses petites étapes. Nous terminerons en discutant des actions dangereuses et de la façon dont tu peux rassurer tes utilisateurs avec des dialogues de confirmation ou la possibilité d'annuler une action.
Dans ce chapitre, nous utiliserons shinyFeedback, d'Andy Merlino, et waiter, de John Coene. Tu devrais également garder les yeux ouverts pour shinyvalidate, un paquetage de Joe Cheng, qui est actuellement en cours de développement. ...
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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.