LogEntry.object_repr The object`s repr() after the modification.

Field.unique_for_month Like unique_for_date, but requires the field to be unique with respect to the month.

driver_count Returns the number of OGR vector drivers currently registered.

models.BaseModelFormSet.changed_objects

input_formats A list of formats used to attempt to convert a string to a valid datetime.date object. If no input_formats argument is provided, the default input formats are: ['%Y-%m-%d', # '2006-10-25' '%m/%d/%Y', # '10/25/2006' '%m/%d/%y'] # '10/25/06' Additionally, if you specify USE_L10N=False in your settings, the following will also be included in the default input formats: ['%b %d %Y', # 'Oct 25 2006' '%b %d, %Y', # 'Oct 25, 2006' '%d %b %Y', # '25 Oct

class MemSize(expression, **extra) Availability: PostGIS Accepts a single geographic field or expression and returns the memory size (number of bytes) that the geometry field takes.

sample By default CovarPop returns the general population covariance. However, if sample=True, the return value will be the sample population covariance.

class RegrSXX(y, x) [source] Returns sum(x^2) - sum(x)^2/N (“sum of squares” of the independent variable) as a float, or None if there aren’t any matching rows.

This document explains the language syntax of the Django template system. If you’re looking for a more technical perspective on how it works and how to extend it, see The Django template language: for Python programmers. Django’s template language is designed to strike a balance between power and ease. It’s designed to feel comfortable to those used to working with HTML. If you have any exposure to other text-based template languages, such as Smarty or Jinja2, you should feel right at home with

format The format in which this field’s initial value will be displayed. If no format argument is provided, the default format is the first format found in DATETIME_INPUT_FORMATS and respects Format localization. By default, the microseconds part of the time value is always set to 0. If microseconds are required, use a subclass with the supports_microseconds attribute set to True.