January 2024
Intermediate to advanced
718 pages
20h 15m
English
Content preview from Programming Ruby 3.3Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Dates and Times
Ruby has three separate classes to represent date and time data: Time, Date, and DateTime.
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Time represents a specific moment in time, and you can retrieve both date and time information based on that. The Time class is based on a library that is common to Unix systems and is used by many programming languages.
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Date represents a date only with no time information attached. It’s useful for calendar arithmetic that doesn’t depend on the time of day. You need require "date" to use the Date class.
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DateTime also represents a specific moment in time but uses a different internal representation than Time. DateTime is now considered deprecated—at one point it had a more complete API than Time, but that is no longer true. Currently, ...
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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.