FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.
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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.
A curated list of AWS resources to prepare for the AWS Certifications
A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.
Hello software developers,
Please check your code to ensure you're not making one of the following mistakes related to cryptography.
| # RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com | |
| # defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below) | |
| module Player | |
| describe MovieList, "with optional description" do | |
| it "is pending example, so that you can write ones quickly" | |
| it "is already working example that we want to suspend from failing temporarily" do | |
| pending("working on another feature that temporarily breaks this one") |
