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Some magazines devoted regular columns solely to impressive short and one-line programs. [2] The word One-liner also has two references in the index of the book The AWK Programming Language (the book is often referred to by the abbreviation TAPL). It explains the programming language AWK, which is part of the Unix operating system.
One of the early APL line terminals (line-mode operation only, not full screen) was the Texas Instruments TI Model 745 (c. 1977) with the full APL character set [48] which featured half and full duplex telecommunications modes, for interacting with an APL time-sharing service or remote mainframe to run a remote computer job, remote job entry (RJE).
The previous statements are also valid MATLAB expressions if the third one is executed before the others (numerical comparisons may be false because of round-off errors). If the system is overdetermined – so that A has more rows than columns – the pseudoinverse A + (in MATLAB and GNU Octave languages: pinv(A) ) can replace the inverse A − ...
In 1964, the expression READ-EVAL-PRINT cycle is used by L. Peter Deutsch and Edmund Berkeley for an implementation of Lisp on the PDP-1. [3] Just one month later, Project Mac published a report by Joseph Weizenbaum (the creator of ELIZA, the world's first chatbot) describing a REPL-based language, called OPL-1, implemented in his Fortran-SLIP language on the Compatible Time Sharing System (CTSS).
To provide for full screen "animation" of a program, a suitable I/O device such as a video monitor is normally required that can display a reasonable section of the code (e.g. in dis-assembled machine code or source code format) and provide a pointer (e.g. <==) to the current instruction or line of source code.
The pins on the left side of an object are called input pins, whereas the pins on the right are output pins. Two objects, A and B, are connected if the output pin of object A is connected to object B's input pin. Several connection lines can emanate from a single output pin, but at most one connection line can be attached to an input pin.
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Language for communicating instructions to a machine The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is a system of notation for writing ...
One way to attack a piece of software is to redirect the flow of execution of a program. A variety of control-flow integrity techniques, including stack canaries , buffer overflow protection , shadow stacks, and vtable pointer verification, are used to defend against these attacks.