Oct 23, 2025 · From the Jinja2 template designer documentation: {% if variable is defined %} value of variable: {{ variable }} {% else %} variable is not defined {% endif %}

Aug 5, 2012 · What does this "-" in jinja2 template engine do? Asked 13 years, 6 months ago Modified 3 years, 3 months ago Viewed 34k times

Using Django templating engine I can include another partial template while setting a custom context using named arguments, like this: {% include "list.html" with articles=articles_list1 only %} {%

How do I get the number of elements in a list in jinja2 template? For example, in Python:

Aug 18, 2014 · I serve dynamic pages from Jinja2 templates in Flask. Now I am defining client-side templates in say, Jinja2-clone Nunjucks inside a script tag. Problem is, the client-side templates has …

Turns out that + and - are there for whitespace control purpose. You can manually disable the lstrip_blocks behavior by putting a plus sign (+) at the start of a block [...] You can also strip …

Jan 14, 2010 · I just want to loop through an existing list and make a comma delimited string out of it. Something like this: my_string = 'stuff, stuff, stuff, stuff' I already know about loop.last, I just need to

May 30, 2025 · When I change file type to test.jinja2, it works fine but Markdown structure disappear. So how can I configure syntax highlight features for the special 'jinja2' code block?

May 5, 2015 · I have a list of list like : [[elem0, elem1, elem2], [elem3, elem4, elem5], [elem6, elem7, elem8], ...] I wrote the follow template file : {% for result in results ...

So I am new to Django and can use some help. I have used a for loop to display a list from my database. But I want to add an if statement such that, if the user input matches my database item, …