2019-05-26 22:00
In many discussions about FP - especially about purely functional programming - there are talks about IO monad, IO type and so on. Its users’ argument on how it is better than your sta… Read More
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Kubuszok.com Blog
kubuszok.com
Personally just a "developer" without X in front of it, currently working wth Scala.
I enjoy learning new things, especially more abstract like mathematics or algorithmics.
If you want to know about new posts follow me on Twitter or RSS feed!
2019-05-05 22:00
So, we parsed an input - file, stream of characters or string - and we got a nicely structured data in the form of a tree and/or an algebraic data type. What now? Read More
2019-04-28 23:00
Whether you have to do with data in form of CSV, JSON or a full-blooded programming language like C, JavaScript, Scala, or maybe a query language like SQL, you always transform some sequence… Read More
2018-12-23 23:00
Algebraic data structures and invaluable in functional programming. With immutable data structures reasoning about the code is easy. Concurrency requires little effort as you don’t hav… Read More
2018-12-16 23:00
As soon as you start mentioning functional programming, monads pops out as something that you have to know. However, hardly anyone is good at explaining what a monad is. That is why we&rsquo&hell…Read More
2018-12-09 23:00
While algebras are something we (programmers) rely on in our everyday work, we don’t always use them knowingly. Functional programming, however, has a relatively high number of program… Read More
2018-12-02 23:00
If you work with anything that can be modeled mathematically, you most likely know that many things you work can be expressed with algebras. However, if you are not a graduate of a computer… Read More
2018-11-25 23:00
In FP we talk a lot about algebras functions and types. But types are sets and functions are also sets. Algebras are types with operations, that fulfill some conditions, which means also set… Read More
2018-11-18 23:00
What would you say if I told you that in math everything is a set? That, whatever mathematical object you name, it can be defined using sets? And not sets, that contains some special ingredi… Read More
2018-08-19 22:00
In the previous post, we understood how parametric types work, which let cover most of the cases we’ll have in our everyday coding. However, there are some interesting concepts, which… Read More
2018-08-12 22:00
In the previous post, we laid the foundation for understanding the type system in Scala. But concrete types only would be too little to make language truly expressive. So, now we’ll tr… Read More
2018-08-05 22:00
When I try to explain to someone why I prefer Scala to Java, and why functional programming works better with Scala, one of the arguments is that is has a better type system. But what exactl… Read More
2018-07-29 22:00
As far as I can tell, Swagger has 2 main use cases: it’s a specification you can use to scaffold your client/server or a live documentation generated from an existing implementation. I… Read More
2018-07-22 22:00
In previous posts, we covered most popular implicit use cases. What is left to complete the picture is the implicits mechanics itself Read More
2018-07-15 22:00
In previous posts, we covered the most basic use cases of implicits. However, to complete the image we not only need to understand how they can provide instances but also how they can transf… Read More
2018-07-08 22:00
In the previous post, we learned a bit about type classes, as they were the major reason for introducing the mechanism. We could see that it is a great way of implementing the open-closed pr… Read More
2018-07-01 22:00
Implicits. For some people, they are an indispensable feature of Scala, that allows achieving otherwise impossible things. For others a sole reason to avoid using the language. As far as I c… Read More
2018-06-17 22:00
At some point, Typelevel decided to fork Scala in order to test feature that it’s members found useful and get feedback on these features without the need for waiting for next official… Read More
2018-06-10 22:00
In previous posts (#1, #2) I described a bit of theory about using sbt. However, besides long, heavy topics there are also some smaller pieces of knowledge, that you can find useful. Most of… Read More
2018-05-31 22:00
Scala is not the fastest language to compile. sbt adds its own overhead. So in a life of most (every?) business applications written in Scala, CI build is so long, that after git push you ca… Read More
2018-05-28 22:00
When I started to learn sbt, I noticed, that there is a huge gap between how I’m told to write builds for simple projects and how I have to write them when I maintain complex multi-mod… Read More
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