ComeFrom

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  1. Redneck Engineering Exam: 1. Calculate the smallest limb diameter on a persimmon tree that will support a 10 pound possum. 2. Which of these cars will rust out the quickest when placed on blocks in your front yard? (A) '65 Ford Fairlane (B) '69 Chevrolet Chevelle © '64 Pontiac GTO 3. If your uncle builds a still which operates at a capacity of 20 gallons of shine produced per hour, how many car radiators are required to condense the product? 4. A woodcutter has a chainsaw which operates at 2700 RPM. The density of the pine trees in the plot to be harvested is 470 per acre. The plot is 2.3 acres in size. The average tree diameter is 14 inches. How many Budweisers will be drunk before the trees are cut down? 5. A front porch is constructed of 2x8 pine on 24-inch centers with a field rock foundation. The span is 8 feet and the porch length is 16 feet. The porch floor is 1-inch rough sawn pine. When the porch collapses, how many dogs will be killed? 6. A man owns a Georgia house and 3.7 acres of land in a hollow with an average slope of 15%. The man has five children. Can each of his grown children place a mobile home on the man's land and still have enough property for their electric appliances to sit out front? 7. A 2-ton truck is overloaded and proceeding 900 yards down a steep slope on a secondary road at 45 MPH. The brakes fail. Given average traffic conditions on secondary roads, what is the probability that it will strike a vehicle with a muffler? 8. With a gene pool reduction of 7.5% per generation, how long will it take a town which has been bypassed by the Interstate to breed a country-western singer? I betcha thought that this test was gonna be an easy one, didn't ya? It's okay if'n y'all didn't do all that well. Just goes to show ya there's a whole heap of things that big city book-learning don't prepare ya for in this life. As an added bonus for taking the " RED NECK CHALLENGE", here's some southerly advice that may come in handy down the road a piece.... Next time you are too drunk to drive, walk to the nearest pizza shop and place an order. When they go to deliver it, catch a ride home with them.
  2. ComeFrom? In computer programming, COMEFROM (or COME FROM) is an obscure control flow structure used in some programming languages, originally as a joke.COMEFROM is roughly the opposite of GOTO in that it can take the execution state from any arbitrary point in code to a COMEFROM statement. The point in code where the state transfer happens is usually given as a parameter to COMEFROM. Whether the transfer happens before or after the instruction at the specified transfer point depends on the language used. Depending on the language used, multiple COMEFROMs referencing the same departure point may be invalid, be non-deterministic, be executed in some sort of defined priority, or even induce parallel or otherwise concurrent execution as seen in Threaded Intercal. A simple example of a "COMEFROM x" statement is a label x (which does not need to be physically located anywhere near its corresponding COMEFROM) that acts as a "trap door". When code execution reaches the label, control gets passed to the statement following the COMEFROM. This may also be conditional, passing control only if a condition is satisfied, analogous to a GOTO within an IF statement. The primary difference from GOTO is that GOTO only depends on the local structure of the code, while COMEFROM depends on the global structure – a GOTO transfers control when it reaches a line with a GOTO statement, while COMEFROM requires scanning the entire program or scope to see if any COMEFROM statements are in scope for the line, and then verifying if a condition is hit. The effect of this is primarily to make debugging (and understanding the control flow of the program) extremely difficult, since there is no indication near the line or label in question that control will mysteriously jump to another point of the program – one must scan the entire program to see if any COMEFROM statements reference that line or label. ..or (with the question mark) means the shortened version of, "Do You Know Where I'm Coming From?"