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Null character for indicating the end of a null-terminated string. Null pointer for indicating the end of a linked list or a tree. A set most significant bit in a stream of equally spaced data values, for example, a set 8th bit in a stream of 7-bit ASCII characters stored in 8-bit bytes indicating a special property (like inverse video ...
Python supports a wide variety of string operations. Strings in Python are immutable, so a string operation such as a substitution of characters, that in other programming languages might alter the string in place, returns a new string in Python. Performance considerations sometimes push for using special techniques in programs that modify ...
The end-loop marker specifies the name of the index variable, which must correspond to the name of the index variable at the start of the for-loop. Some languages (PL/I, Fortran 95, and later) allow a statement label at the start of a for-loop that can be matched by the compiler against the same text on the corresponding end-loop statement.
END; Python: uses indent level ... implements the default case as a glob matching any string. ... can be represented using a standard infinite loop (loop - end loop) ...
The most popular variants of the trim function strip only the beginning or end of the string. Typically named ltrim and rtrim respectively, or in the case of Python: lstrip and rstrip . C# uses TrimStart and TrimEnd , and Common Lisp string-left-trim and string-right-trim .
/* 'The i++ part is the cleanup for the for loop.' */ for i = 0; i < 100; i ++ print i end import type list = [10, 20, 30, 40, 50] /* 'Even in a for each loop, code cleanup with an incremented variable is still needed.' */ i = 0 for each element of list list [i] ^= 2 // 'Squares the element.' print string (element) +" is now... "+ string (list [i]) i ++ end
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.
Go's foreach loop can be used to loop over an array, slice, string, map, or channel. Using the two-value form gets the index/key (first element) and the value (second element): for index , value := range someCollection { // Do something to index and value }