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SQL Challenge vs. Progress 4GL
One of the newsletters I subscribe to is the SQLCentral solutions. A couple of weeks ago they issued the Summer SQL Stumpers 2009, asking for the fastest way to calculate all the primes 1000 or lower. The fastest solution they came up with runs in about 7 seconds, which I thought was terribly slow for [...]
ICVerify: encrypt request and answer files using EncryptionManager
To increase the security when dealing with credit card processing via ICVerify’s request/answer methodology, it is possible to encrypt and decrypt this information. However, the documentation is fairly sketchy on this subject, especially when you’re not working in one of the languages used in the examples in the SDK. After some hair-pulling on why it [...]