In Scalatest when using matchers you have many ways to test for equality, but only one of those is type-safe - should ===() So, if you have a function returning Int, like def f(i: Int): Int = i then the only type-safe way to test it is to use should ===() syntax, like f(5) should ===(5) »
Besides this technical blog (which deserves to be updated much more often then I in fact do), I also have another blog running on Ghost blogging platform - onlydarkchocolate.com. It's a blog where I review dark chocolate bars and give each bar a rating (1 to 5). Long time I wanted to show these »
Last week I was writing a method to parse a String representing throttle policy in somewhat plain English. The input string can be 2 requests per 10 minutes or 1 request per 100 seconds or 12 per 1 day. So the idea is that request or requests is optional and is there only to make »
If you are an engineer who uses scala repl and sbt a lot like I do, chances are you probably use Ammonite and sbt-extras. If you don't, then you should really consider it. But this is not the point of the post. The point is that those tools (and many others of same kind) are »
Recently I was installing new version of Linux Mint, my preferred Linux distro, and dragged some handy aliases I use from my old .bashrc. One of my recent additions was the one I called gitr from git remote. I work in a team, and from time to time I find myself in a need to »
As you may know ScalaTest provides a JUnitRunner and you can perfectly run your scala tests as if they are regular junit tests. In particular, you can run them from maven, using surefire plugin. Why would you do this? In case you have a mixed Java/Scala project with tests written using junit as well »
Have you ever seen messages like these running scala-maven-plugin? [WARNING] Expected all dependencies to require Scala version: 2.10.3 [WARNING] mycoolcompany:mycoolproject:1.5.25 requires scala version: 2.10.3 [WARNING] me.lessis:odelay-core_2.10:0.1.0 requires scala version: 2.10.4 [WARNING] Multiple versions of scala libraries detected! Starting »
As you may know Redis allows you to pass a Lua script which will be executed on server side. What great about it is that it will be executed atomically, as Redis is single-threaded. Though beware of long-running scripts as they can hog the server. So what good can you do with Lua? Actually a »