Is it possible to concatenate variable names in C? Specifically, I have a struct that contains 6 similar variables in it called class1, class2, class3, etc.
How would I go about 开发者_开发知识库checking if a domain name is registered? I was thinking about checking if it has a corresponding IP but it doesn\'t seem to work as well as I had hoped. Is there
Users of our website often type in a lot of garbage for the name and address information. eg, all CAPS, all lower case etc.
I have a shapefile with a road network and it seems like the 开发者_开发知识库roads are all listed as 1 big polyline. Is this typical is it possible to get a road network where the roads are listed in
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