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Re^2: Challenge: Fast Common Substrings

by BrowserUk (Pope)
on Apr 04, 2007 at 10:25 UTC ( #608240=note: print w/replies, xml ) Need Help??

in reply to Re: Challenge: Fast Common Substrings
in thread Challenge: Fast Common Substrings

# untested

True. It doesn't even compile. And when you've corrected the numerous errors, it doesn't work. And it's hard to see how you thought it would. Care to enlighten? (And did you notice the word "fast" in the title?)

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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Re^3: Challenge: Fast Common Substrings
by Moron (Curate) on Apr 04, 2007 at 12:12 UTC
    I think many people will see this is only an algorithm outline and will take the word "untested" as an approriate hint in that regard. I am multitasking at the moment.

    re "enlighten" - I think under the circumstances the most appropriate enlightment I can offer is to improve your lateral thinking In particular I recommend Six Thinking Hats. You would benefit from the insight that you tend to be stuck wearing a black hat (negative logic) and need to learn how to take it off at will and replace it with other forms of thinking when needed. If you need evidence - In your post you say on the one hand you find it difficult to see how I expect it to work and yet you go on to imply an ability to assess its performance when corrected. That's like saying the performance of anything in a category is X without realising the scope you have already accepted for that category, making it impossible to make any sensible such judgement. Conversely, all I am offering is a means to use hashes to solve the problem and I sincerely expect this to perform well when corrected given the pure simplicity of the algorithm and the opportunities it uses to cut out unnecessary iteration. I think you will find that many beginners out there will find it easy enough to correct this code and get a fast-performing result. So why not you, eh? You're clearly not nearly a beginner are you. So what else can it be ... ?


    Free your mind

        I haven't even tried! Come on don't be silly -believe me when I say that there are enough beginners who can make it work. My offering is kindergarten stuff. I am not claiming it to be tricky or anything (at least not in this post ;)). I really don't have the time to dream up something more wicked right now or to test it. Nevertherless this first idea has the merit of simplicity. I'll try to have a tested version published by play-off time but i really don;t expect it to be a proposition from Wittgenstein or something! Surely you can see that this is a simple algorithm being implied.


        Free your mind

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