Category: Tutorials

technology related posts tutorials

Mac Pro

Apple announced the final piece of it product transition from the PowerPC to Intel. The newer Mac are Apple’s top of the line machines with dual Dual-Core Intel Xeon Processors (that’s four CPU cores!), supports up to 2TB of storage and very fast video engines from ATI and Nvidia. The Mac Pro keep the case…


The credit card code

“Credit cards have a hash digit that is used to validate whether a credit card number is valid or not. The algorithm for calculating this digit is known as the LUHN formula, based on ANSI X4.13. To calculate whether a credit card number is valid, follow these three steps: Starting with the second digit on…

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