8 string identifier stored in ``ir.model.data``, can be used to refer
9 to a record regardless of its database identifier during data imports
10 or export/import roundtrips.
12 External identifiers are in the form :samp:`{module}.{id}` (e.g.
13 ``account.invoice_graph``). From within a module, the
14 :samp:`{module}.` prefix can be left out.
16 Sometimes referred to as "xml id" or ``xml_id`` as XML-based
17 :ref:`reference/data` make extensive use of them.
20 inspired by `jinja variables`_, format strings allow more easily
21 mixing literal content and computed content (expressions): content
22 between ``{{`` and ``}}`` is interpreted as an expression and
23 evaluated, other content is interpreted as literal strings and
27 Geographic Information System
28 any computer system or subsystem to capture, store, manipulate,
29 analyze, manage or present spatial and geographical data.
33 process of removing extraneous/non-necessary sections of files
34 (comments, whitespace) and possibly recompiling them using equivalent
35 but shorter structures (`ternary operator`_ instead of ``if/else``) in
36 order to reduce network traffic
38 .. _jinja variables: http://jinja.pocoo.org/docs/dev/templates/#variables
39 .. _ternary operator: http://en.wikipedia.org/wiki/%3F: