December 2018
Beginner to intermediate
500 pages
12h 10m
English
Content preview from Julia Programming Projects
Become 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,
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.
Pinning packages
Sometimes though we might want to ensure that certain packages will not be updated. That's when we pin them:
(v1.0) pkg> pin OhMyREPL Resolving package versions... Updating `~/.julia/environments/v1.0/Project.toml` [5fb14364] ~ OhMyREPL v0.3.0 ⇒ v0.3.0 Updating `~/.julia/environments/v1.0/Manifest.toml` [5fb14364] ~ OhMyREPL v0.3.0 ⇒ v0.3.0
Pinned packages are marked with the ⚲ symbol—also present now when checking the status:
(v1.0) pkg> st
Status `~/.julia/environments/v1.0/Project.toml`
[5fb14364] OhMyREPL v0.3.0
[295af30f] Revise v0.7.5
If we want to unpin a package, we can use pkg> free:
(v1.0) pkg> free OhMyREPL Updating `~/.julia/environments/v1.0/Project.toml` [5fb14364] ~ OhMyREPL v0.3.0 ⇒ v0.3.0 Updating `~/.julia/environments/v1.0/Manifest.toml` ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.