- Example: possibly
NullValue ?:
valueIfNull Missing values in
Apache FreeMarker will
normally cause exceptions. However, both
missing and
null values can be handled...
- Look up
Null,
null, a-
null,
núll, or
Nullus in Wiktionary, the free dictionary.
Null may
refer to:
Nuller, an
optical tool
using interferometry to block...
-
computer programming, a
null object is an
object with no
referenced value or with
defined neutral (
null) behavior. The
null object design pattern, which...
- In computing, a
null pointer or
null reference is a
value saved for
indicating that the
pointer or
reference does not
refer to a
valid object. Programs...
-
Wikimedia Commons has
media related to
Null Island.
Null Island is the
location at zero
degrees latitude and zero
degrees longitude (0°N 0°E / 0°N 0°E...
- In SQL,
null or
NULL is a
special marker used to
indicate that a data
value does not
exist in the database.
Introduced by the
creator of the relational...
-
scientific research, the
null hypothesis (often
denoted H0) is the
claim that the
effect being studied does not exist. The
null hypothesis can also be described...
- The
null character (also
null terminator) is a
control character with the
value zero. It is
present in many
character sets,
including those defined by...
- its
value is struct{}{}. In PHP, the unit type is
called null,
which only
value is
NULL itself. In JavaScript, both
Null (its only
value is
null) and...
-
joining tables on
columns that can
contain NULL values,
since NULL will
never match any
other value (not even
NULL itself),
unless the join
condition explicitly...
