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literal

1. Maths containing or using coefficients and constants represented by letters: ax2 + b is a literal expression
2. Publishing a misprint or misspelling in a text

literal

(programming)
A constant made available to a process, by inclusion in the executable text. Most modern systems do not allow texts to modify themselves during execution, so literals are indeed constant; their value is written at compile-time and is read-only at run time.

In contrast, values placed in variables or files and accessed by the process via a symbolic name, can be changed during execution. This may be an asset. For example, messages can be given in a choice of languages by placing the translation in a file.

Literals are used when such modification is not desired. The name of the file mentioned above (not its content), or a physical constant such as 3.14159, might be coded as a literal. Literals can be accessed quickly, a potential advantage of their use.

literal

In programming, any data written into the program that remains unchanged when translated into machine language. Examples are values used for calculations as well as text messages displayed on screen. In the following lines of code, the literals are 1 and the value is one. See string literal and numeric literal.

if x = 1print "the value is one"endif
References in periodicals archive ?
Hopkins literalizes here what Du Bois talks of in reference to world history: "The shadow of a mighty Negro past flits through the tale of Ethiopia the Shadowy and of Egypt the Sphinx" (Du Bois, Souls 3).
Wilkins literalizes this claim when he says that Pythagoras wrote directly on the lens of a catoptric glass which he then used to project the letters he wrote onto "the circle of the Moone, where they should be legible" from miles away.
An image of an open cardboard box ringed by layers of gossamer tissue paper, the painting literalizes the skirmish between illusionistic depth and surface texture or transparency.
5) Johnson literalizes the problem of marriage as the antithesis of freedom by placing his male protagonists into situations where they are either married, or pushed to the brink of marriage, under the pressure of blackmail.
Rivane Neuenschwander's installation 0 trabalho dos digs (Day's Work), 1998, literalizes Cage's argument that Rauschenberg's monochromes are screens for everyday experience.
With these characters, Morrison literalizes the novel's overall conflation of black female bodies as the sites of fascist invasions of one kind or another, as the terrain on which is mapped the encroachment and colonization of African-American experiences, particularly those of its women, by a seemingly hegemonic white culture.
Watkins-Hughes's piece cheekily literalizes the displacement that is the essence of the exhibition: "seeing" St.
Swept away by metaphor, he literalizes as he attempts to make the crisis seem immediate and palpable to citizens and journalists alike:
With the Ingo light (an homage to German industrial designer Ingo Maurer), which dangles from threads like a spider, he literalizes that simple realization: This fixture is nothing more than a steel ring to which the designer has affixed some sixteen standard folding task lamps of the sort that adorn every dorm-room desk in America.
These vowels propose openings, passages that Gallagher literalizes in a suite of eight gorgeous perforated double-sided drawings interspersed throughout the gallery.