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Re: Why my code working...why my code is not working...

by Old_Gray_Bear (Bishop)
on Nov 12, 2012 at 16:17 UTC ( #1003475=note: print w/replies, xml ) Need Help??


in reply to Why my code working...why my code is not working...

You said: "It happened to work on same config test machine but not working in production." and "How can I debug this behavior?"
  1. Determine the difference(s) between your Production machine and your test machine.
  2. Correct the setup of the test machine to accurately reflect the Production world.
  3. Debug your code on the test machine using your normal tools.
  4. Deploy to production and observe the results.

----
I Go Back to Sleep, Now.

OGB

  • Comment on Re: Why my code working...why my code is not working...

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[robby_dobby]: Corion: Heh. This whole thing smells of Strategy Pattern or MVC pattern.
[Corion]: And performance linear to the number of registered one-shots doesn't feel that bad. Maybe I should collect statistics on how many callbacks are outstanding ;)
[Corion]: choroba: Yes, but the longer I thought about efficient hashes mapping the event type back to their callbacks, and how to keep them in sync, the more I thought that all that optimization might just not be worth it, even if it's horribly inelegant
[Lady_Aleena]: My biggest problem with hashes at the moment is one with 2,501 keys.
[choroba]: how many event types are there?
[Corion]: Also I found that I can't conveniently weaken an array slot, which also is inconvenient, as I want my one-shots to disappear if the caller discards them
[Corion]: choroba: Currently two or three that my program handles (WWW::Mechanize:: Chrome), but there might be more that become interesting
[Corion]: But I don't expect more than 100 to be active at the same time, so I'm not really sure if there is a not-too-fancy data structure that is maintained with few lines of code where the performance is better than the linear scan ;)
[Corion]: But I should do a mock-up program so that others can see what I'm talking about ;)
[robby_dobby]: Corion: I hope you know all too well that passing around "fancy" datastructures is a recipe for disaster :-)

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