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Scala

Hussachai Puripunpinyo in Zappos Engineering

Jan 27, 2016

Creating a Scalable WebSocket Application in an Hour with Scala

In general, a web browser does not keep the HTTP connection open when it requests a resource from a server. Of course, there are several exceptions when the web browser keeps the connection open for a period of time such…

Al Squassabia in Zappos Engineering

Dec 30, 2015

Anatomy, care and feeding of the State monad

Descending deeper down the rabbit hole of striving to understand monad-nature in Scala, it’s time to take a look at a monad that is not a collection, nor an Option, nor an Either, nor a Future. The State monad seems to qualify. Of course, the scalaz…

Al Squassabia in Zappos Engineering

Dec 4, 2015

The road to monad-nature for OO washouts

There is a growing monad cottage industry engaged in popularizing the eponimous logical construct. With so much smoke, there has to be fuel, and indeed there is. Being a half-convert of the former monotheistic OO persuasion (now I serve a pantheon) I walk a…

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Hussachai Puripunpinyo in Zappos Engineering

Nov 21, 2015

Java 8 vs Scala — Part III Trust no one, bench everything

This is part 3 of the article. Check out Part 1 and Part 2.

From Part 2, you’ve seen that the Scala approach is generally shorter than the Java approach when you want to manipulate either collections or…

Hussachai Puripunpinyo in Zappos Engineering

Nov 5, 2015

Java 8 vs Scala — Part II Streams API

This is part 2 of the article. If you want to start from 1, you can click here.

Stream vs. Collection?
Let’s start with a short and incomplete description by me :), a collection is a finite set of data while a stream is a sequenced set of…

Hussachai Puripunpinyo in Zappos Engineering

Nov 4, 2015

Java 8 vs Scala — Part I λE

Finally, after several years of waiting, Java 8 comes with higher-order functions I love Java but I have to admit that Java syntax is quite verbose compared to other modern languages. Now, with lambda expressions, I can write code that is shorter while still readable (sometimes…

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