Re: iPhone: validate a NSString for US zipcode
Re: iPhone: validate a NSString for US zipcode
- Subject: Re: iPhone: validate a NSString for US zipcode
- From: Chris Williams <email@hidden>
- Date: Thu, 7 Jan 2010 14:25:56 -0500
- Acceptlanguage: en-US
- Thread-topic: iPhone: validate a NSString for US zipcode
As someone who lives in a zip code that was added in 2004, yet STILL shows up as invalid in countless databases, I can't stress this point enough. Do not maintain data yourself that someone else has a reason/motivation and the resources to maintain. Just send it to the service, and catch the fail. Really. Please.
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From: Keary Suska <email@hidden>
What do you mean, "will work"? That the weather service will accept it? Does the service respond that the zip code isn't usable, for whatever reason?
Otherwise, searching 42k+ will be very quick if you put it into a sqllite database. But then you will have to maintain the database, continually update it, and possibly correct it.
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