If I have time I'll have a blast over the weekend. On Thu, Oct 23, 2008 at 9:37 AM, Cameron, Gemma (UK) < [EMAIL PROTECTED]> wrote:
> > Ooooh fun, fun, fun!!!! :D > > Gemma Cameron > Software Engineer > > BAE Systems Integrated System Technologies Limited > Registered Office: Warwick House, PO Box 87, Farnborough Aerospace Centre, > Farnborough, Hants, GU14 6YU, UK > Registered in England & Wales No: 3456325 > > > -----Original Message----- > From: [email protected] [mailto: > [EMAIL PROTECTED] On Behalf Of Paul Robinson > Sent: 22 October 2008 14:30 > To: [email protected] > Subject: [NWRUG] NWRUG Quiz? (Exercise 1: Fibonacci numbers) > > *** WARNING *** > > This mail has originated outside your organization, either from an external > partner or the Global Internet. > Keep this in mind if you answer this message. > > > I've been teaching Ruby and Rails to some young 'uns who've been doing some > PHP or Java at Uni but not coded in anger recently. > > Note to all universities: it would have been easier if you'd taught them > what words like "version control" and "test harnesses" meant in their first > week. Trust me. These guys think svn is some useless extra chunk of work to > be done and that unit tests are just there to keep me quiet... *sigh*. > > Anyway, last week I set them a simple pure Ruby exercise. The solutions I > got back were interesting: people have clearly been taught some very bad > programming techniques, and when they move to Ruby it confuses the hell out > of them. When I showed them my solution, they thought it was one of the most > beautiful pieces of code they'd seen, but I considered it quite ugly. > > I'm curious as to whether anybody would like to try a peer code review/ > quiz via the mailing list in the spirit of helping us all produce > better/more elegant Ruby. > > We'll keep it simple and in the spirit of Ruby Quiz so anyone can compete, > but I thought it would be fun and not quite as scary as the main Ruby quiz > which to me at least felt like walking into the 100m Olympic finals and > going "I can compete with these guys" when I tried it last year. > > If people like this, we could consider making it a weekly exercise. > > Here's the exercise I set last week, which is ultra-simple to get us > started: > > > The Fibonacci sequence is a sequence beginning with 1, and producing the > next number in the series by adding the previous two numbers. Here is the > start of the sequence: > > > > 1, 1, 2, 3, 5, 8, 11 > > > > Write a program that will output the Fibonacci sequence either to infinity, > or to a pre-set number of iterations. This is very easy, so "points" will be > awarded for elegance, simplicity, beauty, brevity and other factors that > make us go "that's nice!" > > > > I also want to have a predicate method that can tell me if a given number > is in the Fibonnaci sequence. I want to be able to do this: > > 1.is_fibonnaci? # returns 'true' > 2.is_fibonnaci? # returns 'true' > 4.is_fibonnaci? # returns 'false' > > This is also very easy, but the "points" here will be awarded for > performance - so your sequencer above might be very elegant, but is it > *quick*? > > If you're playing, please don't post your code or solutions until Monday > morning to give others a chance to play. I hope plenty of you join in. > > -- > Paul Robinson > > http://vagueware.com :: [EMAIL PROTECTED] :: +44 (0) 7740 465746 > > Vagueware Limited is registered in England/Wales, number 05700421 > Registered Office: 3 Tivoli Place, Ilkley, W. Yorkshire, LS29 8SU > Correspondence: 55 Velvet Court, Granby Row, Manchester, M1 7AB > > > > > > > ******************************************************************** > This email and any attachments are confidential to the intended > recipient and may also be privileged. If you are not the intended > recipient please delete it from your system and notify the sender. > You should not copy it or use it for any purpose nor disclose or > distribute its contents to any other person. > ******************************************************************** > > > > > -- Jim Neath - Manchester based Ruby on Rails Developer http://jimneath.org --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "NWRUG" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/nwrug-members?hl=en -~----------~----~----~----~------~----~------~--~---
