CfP: Development Languages, Practices & Techniques at Agile 2011

ease visit *http://tinyurl.com/3agypjl.* * * To submit proposals, please visit http://agile2011.agilealliance.org/. Thanks for your consideration. Yours, dean -- Dean Wampler co-producer, Development Languages, Practices, and Techniques stage at Agile2011 "Programming Scala" (O'

Deadline Extended to Feb. 15: IEEE Software Multi-Paradigm Programming Special Issue - Sep/Oct 2010

l/web/computingnow/swcfp5 Yours, dean Dean Wampler, Ph.D. d...@polyglotprogramming.com co-author: "Programming Scala", O'Reilly: - http://programmingscala.com -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to thi

[ANN] CfP: IEEE Software Special Issue: Multiparadigm Programming

. -- Dean Wampler coauthor of "Programming Scala" (O'Reilly) - http://programmingscala.com twitter: @deanwampler, @chicagoscala blog: http://blog.polyglotprogramming.com Chicago-Area Scala Enthusiasts (CASE): - http://groups.google.com/group/chicagoscala - http://www.meetup.c

Baffled by NPE

3.clj:3) at user$for_each__1.invoke(ex2.23.clj:3) at user$eval__4.invoke(ex2.23.clj:5) at clojure.lang.Compiler.eval(Compiler.java:4604) ... 10 more I tried replacing the list in the last line with a vector. Same result. Suggestions welcome! dean -- Dean

Re: Baffled by NPE

nil > ((f (first items)) (for-each f (rest items))) => (nil (for-each f > (rest items))) => (.invoke nil (for-each f (rest items))) => calling a > method on nil is a NPE > > lists are function applications > > On Tue, Nov 3, 2009 at 9:33 AM, Dean Wampler > wrote: &