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A message like "file upload complete" is a string that software shows to end users. In the program's source code, this message would likely appear as a string literal. User-entered text, like "I got a new job today" as a status update on a social media service. Instead of a string literal, the software would likely store this string in a database.
SPF/PC is an MS-DOS-based text editor and file manager designed to have an interface that was familiar to those using mainframe SPF and ISPF. [1] Later Microsoft Windows-based versions were named SPF/SE and SPF/SE 365. [2] A version for OS/2 named SPF/2 was also offered. [3]
rfind(string,substring) returns integer Description Returns the position of the start of the last occurrence of substring in string. If the substring is not found most of these routines return an invalid index value – -1 where indexes are 0-based, 0 where they are 1-based – or some value to be interpreted as Boolean FALSE. Related instr
The length of a string is the number of code units before the zero code unit. [1] The memory occupied by a string is always one more code unit than the length, as space is needed to store the zero terminator. Generally, the term string means a string where the code unit is of type char, which is exactly 8 bits on all modern machines.
String homomorphisms are monoid morphisms on the free monoid, preserving the empty string and the binary operation of string concatenation. Given a language , the set () is called the homomorphic image of . The inverse homomorphic image of a string is defined as
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Numeric variables now had three basic types, % denoted 16-bit integers, # denoted 64-bit doubles, and ! denoted 32-bit singles, but this was the default format so the ! is rarely seen in programs. The extended 8 KB version was then generalized into BASIC-80 (8080/85, Z80 ), and ported into BASIC-68 ( 6800 ), BASIC-69 ( 6809 ), and 6502 -BASIC.
RBBS-PC; RemoteAccess – written by Andrew Milner. Renegade – written by Cott Lang until 1997. Currently maintained by T.J. McMillen since 2003. RoboBOARD/FX – written by Seth Hamilton. Searchlight BBS (SLBBS) Spitfire; SuperBBS – by Aki Antman and Risto Virkkala. TBBS; TCL; Telegard; TriBBS; TAG; Virtual Advanced – also known as VBBS.