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For function that manipulate strings, modern object-oriented languages, like C# and Java have immutable strings and return a copy (in newly allocated dynamic memory), while others, like C manipulate the original string unless the programmer copies data to a new string.
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A string is defined as a contiguous sequence of code units terminated by the first zero code unit (often called the NUL code unit). [1] This means a string cannot contain the zero code unit, as the first one seen marks the end of the string. The length of a string is the number of code units before the zero code unit. [1]
In computer science, string interning is a method of storing only one copy of each distinct string value, which must be immutable. [1] Interning strings makes some string processing tasks more time-efficient or space-efficient at the cost of requiring more time when the string is created or interned.
The flat angle allows tapping without pushing the device over, while the steep angle is intended for watching. Folio cases are a combination of a case and stand, and may include a keyboard (USB for OTG smartphones or bluetooth keyboard). Third-party cases and design covers can serve for protection and personalization.
Liskov's notion of a behavioural subtype defines a notion of substitutability for objects; that is, if S is a subtype of T, then objects of type T in a program may be replaced with objects of type S without altering any of the desirable properties of that program (e.g. correctness).
end <any sequence not containing 'end' or ';' or 'else'> end Equivalence here means that any of the three structures shown in the left column may be replaced, in any occurrence outside of strings, by the symbol shown in the same line in the right column without any effect on the action of the program.
Data compression can be viewed as a special case of data differencing. [ 30 ] [ 31 ] Data differencing consists of producing a difference given a source and a target, with patching reproducing the target given a source and a difference.