What do you need to know about templates in Django?

What do you need to know about templates in Django?

This document describes Django’s built-in template tags and filters. It is recommended that you use the automatic documentation, if available, as this will also include documentation for any custom tags or filters installed. Controls the current auto-escaping behavior.

When to use a comma and a space in Django?

For monetary values, a comma is used as the thousand separator and a decimal point for the decimal separator. For all other numbers, a comma is used as decimal separator and a space as thousand separator. The locale format provided by Django uses the generic separators, a comma for decimal and a space for thousand separators.

How does the formatting system work in Django?

Django’s formatting system is capable of displaying dates, times and numbers in templates using the format specified for the current locale. It also handles localized input in forms.

How are arguments produced in a Django tag?

The first argument is produced on the first encounter, the second argument on the second encounter, and so forth. Once all arguments are exhausted, the tag cycles to the first argument and produces it again.

How is the Count annotate used in Django?

The annotate () the method generates count clause and it is grouped by author.id given in values (‘author’) method. The filter () method filters queryset and return only those authors count who has books published. This query orders field num_books in the highest order.

When to use Len or count in Django?

Whether you should use len () (or the length-filter in a template) vs count () depends on your use case. If the QuerySet only exists to count the amount of rows, use count (). If the QuerySet is used elsewhere, i.e. in a loop, use len () or |length.

What does the% if% tag do in Django?

The {% if %} tag evaluates a variable, and if that variable is “true” (i.e. exists, is not empty, and is not a false boolean value) the contents of the block are output: