blackhat-seo.com
Captcha Farms — Blackhat SEO
http://www.blackhat-seo.com/2009/captcha-farms
Rants from the dark side of marketing. The one greatest vulnerability of captchas is the mechanical turk. If a human can solve it, which is not always the case these days, then you can find people that will solve a thousand captchas for a dollar. The following is a list of commercial captcha farms. A few of those seem to be coupled with specific products, which probably means you can’t use them with your own code. Prices are per thousand captchas solved. Decaptcher – $2. SocialMarketServices – $2. Offer ...
chadhosick.com
Chad Hosick Consulting Inc.
http://www.chadhosick.com/development.aspx
Determine the number of week days between 2 dates in T-SQL. By: on 10.May.2k11 12:59 PM. The following T-SQL function will calculate the number of business days (Monday through Friday, optionally including Saturday) between 2 dates. I found many other examples of similar functionality on the web, however most did not take into consideration that the T-SQL DATEPART. Function would return a different value for the weekday ("dw") depending on the server's configured @ DATEFIRST value. A negative number if.