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Nov 8, 2009 · Inclusion is used to show how a use case breaks into smaller steps. The included use case is at the arrowhead end. Extend [6] Meanwhile, an extending use case adds goals and steps to the extended use case. The extensions operate only under certain conditions. The extended use case is at the arrowhead end.
What does it do? save() is a generic method that accepts two parameters and one of them has the type of T and returns a value of type T. T is a generic type, that is restricted to ABC. The scope of T is limited to save(). What is these type of method declarations called in Java? IMO, the answer should be bounded type parameters, instead of ...
May 31, 2012 · 860. extends is for extending a class. implements is for implementing an interface. The difference between an interface and a regular class is that in an interface you can not implement any of the declared methods. Only the class that "implements" the interface can implement the methods. The C++ equivalent of an interface would be an abstract ...
Nov 27, 2010 · 3. This is a OOP principle called Inheritance. When a class B inherits (extends) from class A, an instance of class B inherits all the functionality from class A and has access to protected (and of course public) methods and attributes via parent::. Read more about inheritance in PHP. Inheritance is often used when classes share certain properties.
27. Int is a 32-bit value, char is a 16-bit value. Zero-extend just means that the higher-order "unused" bits in the int are zeroes. I am guessing it is documented because, looked at in one way, the operation treats the char value as a 16-bit integer, and when converting from an integer to a larger integer, the user of a library method such as ...
Dec 18, 2013 · The extend method for example in jQuery or PrototypeJS, copies all properties from the source to the destination object. Now about the prototype property, it is a member of function objects, it is part of the language core. Any function can be used as a constructor, to create new object instances. All functions have this prototype property.
Oct 31, 2008 · 1) The difference between append and extend. append: Appends any Python object as-is to the end of the list (i.e. as a the last element in the list). The resulting list may be nested and contain heterogeneous elements (i.e. list, string, tuple, dictionary, set, etc.) extend: Accepts any iterable as its argument and makes the list larger.
Dec 13, 2015 · In that context extend self will make all instance methods available as class methods. For example, in this module: def k. end. extend self. you can do A.k. This will also hold true: A.instance_methods #=> [:k]; A.methods.include? :k #=> true Look at Ruby: extend self for more information.
Aug 6, 2009 · 1. Implementing a comparable interface means that A can be compared with other instances of A. Many operations in java that involve sorting use the methods defined in the Comparable interface to determine if instances of A are greater then less or equal to other instances. By implementing these methods you are able to use a lot of handy ...
Extending immediates to 32-bit means the rest of the CPU doesn't have to care whether the data came from an immediate or a register.) Also sign-extended: offsets in the reg+imm16 addressing mode used by lw / sw and other load/store instructions. relative branches (PC += imm16<<2) maybe others, check the manual for instructions I didn't mention ...
