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  2. Member variable - Wikipedia

    en.wikipedia.org/wiki/Member_variable

    /*Ruby has three member variable types: class, class instance, and instance. */ class Dog # The class variable is defined within the class body with two at-signs # and describes data about all Dogs *and* their derived Dog breeds (if any) @@sniffs = true end mutt = Dog. new mutt. class. sniffs #=> true class Poodle < Dog # The "class instance variable" is defined within the class body with a ...

  3. Unicode input - Wikipedia

    en.wikipedia.org/wiki/Unicode_input

    Unicode input is method to add a specific Unicode character to a computer file; it is a common way to input characters not directly supported by a physical keyboard. Characters can be entered either by selecting them from a display, by typing a certain sequence of keys on a physical keyboard, or by drawing the symbol by hand on touch-sensitive ...

  4. Key Code Qualifier - Wikipedia

    en.wikipedia.org/wiki/Key_Code_Qualifier

    Key Code Qualifier is an error-code returned by a SCSI device. When a SCSI target device returns a check condition in response to a command , the initiator usually then issues a SCSI Request Sense command .

  5. JavaScript syntax - Wikipedia

    en.wikipedia.org/wiki/JavaScript_syntax

    var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...

  6. Key code - Wikipedia

    en.wikipedia.org/wiki/Key_code

    The bitting code is the translated blind code which the locksmith actually uses to cut each blank key. Example: padlock blind code W123 translates to bitting code 25313, to which the locksmith would cut the key with his code machine by setting it to 25313.

  7. Callback (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Callback_(computer...

    Notably, the delivery need not be made by the clerk who took the order. A callback need not be called by the function that accepted the callback as a parameter. Also, the delivery need not be made directly to the customer. A callback need not be to the calling function. In fact, a function would generally not pass itself as a callback.

  8. Special member functions - Wikipedia

    en.wikipedia.org/wiki/Special_member_functions

    For example, the compiler generated destructor will destroy each sub-object (base class or member) of the object. The compiler generated functions will be public , non- virtual [ 3 ] and the copy constructor and assignment operators will receive const& parameters (and not be of the alternative legal forms ).

  9. Valid characters in XML - Wikipedia

    en.wikipedia.org/wiki/Valid_Characters_in_XML

    On the opposite, the code point U+0085 is a valid control character in Unicode and ISO/IEC 10646, as well as in XML 1.0 and XML 1.1 documents (in all contexts), and its usage is not discouraged (it is treated as whitespace in many XML contexts, or as a line-break control similar to U+000D and U+000A in preformatted texts in some XML applications).