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I would write everything, and then have a scheduled job to erase unchanged values and only have the points where data changes. Like so: Before: After: A B C D A B C D 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2


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It is possible the data format was originally developed for a serial port. A reason to use characters instead of binary is to avoid the the control characters that have special meanings to serial drivers such as control-s and control-q, EOF, etc... A reason to use hex is for 2 byte values instead of 3 byte values, which you would need for base 10.


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At Intelliware, we use "home state switching" to address this problem. We have an internally developed framework called Runway that abstracts away the complexity, but here's how it works in a nutshell: When a tests starts, it makes a remote call to a home state controller get a database to use for the test. The home state controller creates a new ...



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