Category Archives: Scala

Access to test files

How to read files in tests if files are located in resource directory, jar, or in arbitrary place? When we write tests we may store files with test data in resource directory or in arbitrary place on the disk. Advertisements

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sbt 1.0.0 is now available

http://developer.lightbend.com/blog/2017-08-11-sbt-1-0-0/ new release of sbt is available!

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Scala exercises

Nice site with lots of exercises on Scala: http://aperiodic.net/phil/scala/s-99/

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npm Package Analyzer

Sometimes You need to check if You really use all modules specified in package.json. I wrote

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Functional error handling in Scala

Functional error handling in Scala alvin February 13, 2017 – 11:08am Here are a few nice blog posts on functional error-handling in Scala: – Easing into functional error handling in Scala – How do I error handle thee? – Designing … Continue reading

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Scala – type bounds notation for beginners

For beginners in Scala (like me) type bounds notation causes difficulty. I tried to write  short cheat sheet with Scala type bounds notation: Scala – type bounds notation for beginners

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Void function as argument in Java and Scala

Simple example shows how to pass a function to a method. The function doesn’t have argument and doesn’t return a result.

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Scala. Akka: HTTP server example

I wrote on Scala a simple HTTP server using Akka. The example demonstrates the usage of the low-level server side API. First release contains one example with using synchronous request handling. Example shows how to return HTML page from a file (static page). … Continue reading

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Operators for Collections in Scala (v2)

Short reminder of operators for collections in the Scala, version 2. Previous version: Operators for Collections in Scala Operators for deleting and adding elements Operator Description Collection type coll :+ elem Adds elem element at the end of coll collection. … Continue reading

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Operators for Collections in Scala

Short reminder of operators for collections in the Scala: +   – adds an element into unordered collection +:  – adds an element at the beginning :+  – adds an element at the end ++  – joins two collections – and – –   – deletes an … Continue reading

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