leiningen

I got a Rasperry Pi 512 MB version (late 2012) and installed the Developer Preview of Java SE 8 for ARM on it. When I create a new Clojure project with Leiningen and launch the nREPL by doing lein repl it takes a bit more than two minutes (roughly 130 - 140 seconds) until the REPL has been initialized and can be used. When launching the JAR file directly java -jar clojure-1.4.0/clojure-1.4.0 the REPL starts up in 25s. I'm using fast class 10 SD cards (SanDisk Extreme with up to 30 MB/s). How come that the difference between using Leiningen with nRepl vs launching the JAR file is so big? What

in a liberator based clojure project we are using datomic as DB. After migrating our local dev DB to a S3 hosted one and adding the needed dependencies on our project.clj we cannot launch the REPL but the Liberator stack runs fine through lein run My guess is that the DB connection is messing things up, so, the question is, how can I somehow "debug" or figure out what's the reason of this lein repl timeout? My project.clj (defproject myproject "0.1.0-SNAPSHOT" :main myproject.core :jvm-opts ["-Xmx1G"] :datomic {:schemas ["resources" ["myproject-schema.edn" ]]} :plugins [[lein-ring "0.8.10"]] ;

If I'm developing, let's say, a console text editor, how could I call a new console frame from the lein repl? (or any repl) If it's called (main "file.txt") from the repl it would be 'popped' a new console window with the the file.txt content where I could edit. 来源： https://stackoverflow.com/questions/40961962/new-console-window-when-developing-in-the-repl

What are some good ways to disable Clojure assertions (including preconditions and postconditions) in the REPL? For an arbitrary Leiningen profile? David J. Per https://github.com/technomancy/leiningen/blob/master/sample.project.clj#L286 Set :global-vars to {*assert* false} in your profiles.clj . You can put the above setting in whatever Leiningen profiles you want. 来源： https://stackoverflow.com/questions/24949418/how-to-disable-clojure-assertions-including-preconditions