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Perl - The notion that an empty "derived class" should behave exactly like its "base class".
Perl - Cite This Source - This Definition - Browse Related Terms: base class, derived class, Inheritance, is-a, multiple inheritance, overriding, parent class, single inheritance, subclass, superclass, Tie
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Perl - The veil of abstraction separating the "interface" from the "implementation" (whether enforced or not), which mandates that all access to an "object"'s state be through methods alone.
Perl - Cite This Source - This Definition - Browse Related Terms: accessor method, class, class method, destroy, destructor, dispatch, global destruction, Handler, invocant, invocation, method, static method
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Perl - The special mark that tells the operating system it can run this program. There are actually three execute bits under Unix, and which bit gets used depends on whether you own the file singularly, collectively, or not at all.
Perl - Cite This Source - This Definition - Browse Related Terms: bit string, JAPH, Owner, permission bits, readable, setgid, setuid, umask