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De - Pt| Proverbs, aphorisms, quotations (English) | by Linux fortune |
| If you ever want to have a lot of fun, I recommend that you go off and program an imbedded system. The salient characteristic of an imbedded system is that it cannot be allowed to get into a state from which only direct intervention will suffice to remove it. An imbedded system can't permanently trust anything it hears from the outside world. It must sniff around, adapt, consider, sniff around, and adapt again. I'm not talking about ordinary modular programming carefulness here. No. Programming an imbedded system calls for undiluted raging maniacal paranoia. For example, our ethernet front ends need to know what network number they are on so that they can address and route PUPs properly. How do you find out what your network number is? Easy, you ask a gateway. Gateways are required by definition to know their correct network numbers. Once you've got your network number, you start using it and before you can blink you've got it wired into fifteen different sockets spread all over creation. Now what happens when the panic-stricken operator realizes he was running the wrong version of the gateway which was giving out the wrong network number? Never supposed to happen. Tough. Supposing that your software discovers that the gateway is now giving out a different network number than before, what's it supposed to do about it? This is not discussed in the protocol document. Never supposed to happen. Tough. I think you get my drift. | |
| While walking down a crowded City street the other day, I heard a little urchin To a comrade turn and say, "Say, Chimmey, lemme tell youse, I'd be happy as a clam If only I was de feller dat Me mudder t'inks I am. "She t'inks I am a wonder, My friends, be yours a life of toil An' she knows her little lad Or undiluted joy, Could never mix wit' nuttin' You can learn a wholesome lesson Dat was ugly, mean or bad. From that small, untutored boy. Oh, lot o' times I sit and t'ink Don't aim to be an earthly saint How nice, 'twould be, gee whiz! With eyes fixed on a star: If a feller was de feller Just try to be the fellow that Dat his mudder t'inks he is." Your mother thinks you are. -- Will S. Adkin, "If I Only Was the Fellow" | |
