June 2025
Intermediate to advanced
152 pages
3h 15m
English
Content preview from simplicity
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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.
| Practice 1 | Cut Back on Unhealthy Dependencies |
It’s late 2024. I just created a new Phoenix project using mix phx.new my_project. It had 43 dependencies, which came in at 15 MB.
A new Rails project installs 83 gems, and these in turn load hundreds more. Here’s a dependency graph of a basic Rails app.
npx create-react-app my-app downloaded 874 modules (about 350 MB of code) for a basic React app. I had time to make a cup of tea.
I’m not claiming that React is bloated compared to the others. I’m saying that they all are carrying around a lot of baggage. And these are the numbers for baseline, empty projects. As you start adding code, you’ll be adding ...
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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.