Captchas
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
Did you test it against OCR software? I've seen some that it seems to me could be deciphered by OCR fairly easily. Otherwise, the only time I loathe them is when they defeat my botnets from creating unlimited facebook accounts.
He said, "Boy I'm just old and lonely, But thank you for your concern, Here's wishing you a Happy New Year." I wished him one back in return.
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Did you test it against OCR software? I've seen some that it seems to me could be deciphered by OCR fairly easily. Otherwise, the only time I loathe them is when they defeat my botnets from creating unlimited facebook accounts.
He said, "Boy I'm just old and lonely, But thank you for your concern, Here's wishing you a Happy New Year." I wished him one back in return.
David Kentley wrote:
Did you test it against OCR software? I've seen some that it seems to me could be deciphered by OCR fairly easily
Nope, I reckon you could crack it, but it's not really going to be exposed to the general population, so I'm not too worried about OCR.
Two heads are better than one.
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I hope mine isn't I've gone for: Diagnoal Hatched Backgroud (Light Gray) Mixed Upper and Lower (no numberics) Text rotated at -45 +45 degrees (non centered). Steel Blue text. You can choose any number of characters you want to generate and the control is scalable with our worrying on font sizes / spacing etc.
Two heads are better than one.
Have you excluded letters that look similar whether upper or lower case, and zeros, ones, i, l, o, etc? If you haven't, it's a guaranteed PITA.
I wanna be a eunuchs developer! Pass me a bread knife!
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Just make sure it is not case sensitive.
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
-
Have you excluded letters that look similar whether upper or lower case, and zeros, ones, i, l, o, etc? If you haven't, it's a guaranteed PITA.
I wanna be a eunuchs developer! Pass me a bread knife!
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Have you excluded letters that look similar whether upper or lower case, and zeros, ones, i, l, o, etc? If you haven't, it's a guaranteed PITA.
I wanna be a eunuchs developer! Pass me a bread knife!
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Your captcha looks OK. Now c(r)aptchas like this I loath http://www.narnio.com/2010/08/20/leaving-linkedin/[^] X|
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Thanks. I suggest you limit rotation to [-30,+30]. is the first letter a Z, a z, or an N? is it case-sensitive? I'd like captchas to be somewhat tolerant, say accepting one wrong or missing character. All to often it is impossible to get them right. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.
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Thanks. I suggest you limit rotation to [-30,+30]. is the first letter a Z, a z, or an N? is it case-sensitive? I'd like captchas to be somewhat tolerant, say accepting one wrong or missing character. All to often it is impossible to get them right. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
They are a fun aside to the day to day grind of business programming. Unfortunately, modern character recognition is very good, slave labor is very cheap, and the baby boom generation has degenerating eye-sight and computer literacy issues.
Need custom software developed? I do custom programming based primarily on MS tools with an emphasis on C# development and consulting. I also do Android Programming as I find it a refreshing break from the MS. "And they, since they Were not the one dead, turned to their affairs" -- Robert Frost
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They are a fun aside to the day to day grind of business programming. Unfortunately, modern character recognition is very good, slave labor is very cheap, and the baby boom generation has degenerating eye-sight and computer literacy issues.
Need custom software developed? I do custom programming based primarily on MS tools with an emphasis on C# development and consulting. I also do Android Programming as I find it a refreshing break from the MS. "And they, since they Were not the one dead, turned to their affairs" -- Robert Frost
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Nope, that for the advice. That would leave only a few Characters.
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ab defgh lmn qr t yMaybe include numbers.
Two heads are better than one.
Norm .net wrote:
That would leave only a few Characters.
But no-one would know. ;)
I wanna be a eunuchs developer! Pass me a bread knife!
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
Speaking personally as a spambot, I have to say I do not approve of them.
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
Speaking personally as a spambot, I have to say i do not approve of them.
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Just finished implementing a Captcha Control in SilverLight... Do you love or loath Captchas?
Two heads are better than one.
Speaking personally as a spambot, I have to say i do not approve of them. {OK, Im tired of this...}
