Linqpad – I use it like this all the time. http://www.linqpad.net/ Don’t be misled by the name – that just describes the original motivation for it, not its functionality. Just recently he released a version with proper statement completion – that’s a chargeable add-on (the core tool is free), but a minute amount of money … Read more
Global minor modes created with the define-globalized-minor-mode1 macro are a bit tricky. The reason your code doesn’t appear to do anything is that globalized modes utilise after-change-major-mode-hook to activate the buffer-local minor mode that they control; and that hook runs immediately after the major mode’s own hooks4. Individual modes may implement custom ways of specifying … Read more
Scaladocs are generated as HTML, so you don’t want them appearing in the REPL window. You might want to load docs in a browser from the REPL, however. You can do that by creating your own method like so (this one takes an instance; you could have it take an instance of Class[A] instead, if … Read more
Try with debugger; in your code as this answer suggests. Your browser developer tools must be open.
You can use :reset Welcome to Scala version 2.10.0-RC2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_37). Type in expressions to have them evaluated. Type :help for more information. scala> val a = 1 a: Int = 1 scala> val b = 3 b: Int = 3 scala> :reset Resetting interpreter state. Forgetting this session history: … Read more
There was a new function added in Clojure 1.6 to support this. clojure.test/test-vars will run one or more test vars with fixtures. I think something like this should work: (clojure.test/test-vars [#’the-ns/the-test])
edit Since Java 9 there’s JShell Original answer follows You can also use Groovy Console. It is an interactive console where you can do what you want. Since Groovy also includes classes from the core java platform, you’ll be able to use those classes as well. It looks like this:
Use ijavascript. This is compatible with Jupyter notebook and you can use it just like on Python environment. The below is a screenshot taken from the official repository.
*1 Should do it! Similarly, you have access to *2 and *3 as well.
You can send the ‘end-of-file’ character. You can just press ctrl-d (*nix) or ctrl-z (Windows) to exit the REPL.