EXCEPTION HANDLER
\ɛksˈɛpʃən hˈandlə], \ɛksˈɛpʃən hˈandlə], \ɛ_k_s_ˈɛ_p_ʃ_ə_n h_ˈa_n_d_l_ə]\
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Special code which is called when an exception occurs duringthe execution of a program. If the programmer does notprovide a handler for a given exception, a built-in systemexception handler will usually be called resulting in abortionof the program run and some kind of error indication beingreturned to the user.Examples of exception handler mechanisms are Unix's signalcalls and Lisp's catch and throw.
By Denis Howe
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.