- In
compiler theory,
common subexpression elimination (CSE) is a
compiler optimization that
searches for
instances of
identical expressions (i.e., they...
-
According to Russ Cox, the
POSIX specification requires ambiguous subexpressions to be
handled in a way
different from Perl's. The
committee replaced...
- relations: <, <=, >, >=
reference and dereference: &, *, [ ] sequencing: ,
subexpression grouping: ( ) type conversion: (typename) C uses the
operator = (used...
-
applies repetition (+, *) to a
subexpression; the
subexpression can
match the same
input in
multiple ways, or the
subexpression can
match an
input string which...
-
referentially transparent when for any
expression built from it,
replacing a
subexpression with
another one that
denotes the same
value does not
change the value...
-
stack machine implementation. In
register machines, a
common subexpression (a
subexpression which is used
multiple times with the same
result value) can...
- The
syntax of
JavaScript is the set of
rules that
define a
correctly structured JavaScript program. The
examples below make use of the log
function of...
- –
subexpression; used with
logical operators to
create a more
complex expression ! –
logical not;
placed before a feature,
operator or
subexpression to...
-
infeasible for po****r hash
functions such as the MD and SHA families. The
subexpression ln 1 1 − p {\displaystyle \ln {\frac {1}{1-p}}} in the
equation for...
- Perl and Python, ?
stands for "zero or one
instance of the
previous subexpression", i.e. an
optional element. It can also make a
quantifier like {x,y}...
