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Django sessions for anonymous users

We know that all logged in users are connected to a session. This is something done for you by Django middlewares. Similarly, for anonymous users (not logged in), every time the server receives a request, django creates a session object (meaning, an object with session_key, session_data and expire_data values). But the catch here is that […]




_set meaning in Django ORM relationship

_set is associated with reverse relation on a model. Django allows you to access reverse relations on a model. By default, Django creates a manager (RelatedManager) on your model to handle this, named <model>_set, where <model> is your model name in lowercase. Excellent link on StackOverflow here: https://stackoverflow.com/questions/25386119/whats-the-difference-between-a-onetoone-manytomany-and-a-foreignkey-field-in-d If we have these models:

In […]




Setting active navbar link in Django template

Here is probably the best way to set the active navbar link in Django template. Note, this needs no jQuery/ javascript. Step 1 Create named urls:

Step 2 Create a Navbar template. I keep it stored in a file called navbar.html inside “templates/base” folder. This “templates” folder is at same level as manage.py I […]




Adding login and registration in Django

Adding login and registration is very straight forward in Django. Note that Django provides a built in User model. User model exists ONLY for authentication. Use the User model to only store absolutely necessary info for authentication. Like Username and password (or if using custom user model, email and password.. I usually make the email […]




Adding reverse url lookup in Django

Reverse url lookup is very cool feature in Django that allows us to not hard-code urls in templates or controller logic. This helps us change the URLs later in urls.py and not have to make the same changes everywhere in templates and logic. Keep it DRY. To implement reverse url lookup, you need to do […]




Django Custom Queryset vs Custom Manager for Database queries

Note: this applies to Django >= 1.7 From the docs: A Manager is the interface through which database query operations are provided to Django models. At least one Manager exists for every model in a Django application. There are two reasons you might want to customize a Manager: to add extra Manager methods, and/or to […]




Adding Custom User model in Django – part 1

One of the first things I do after creating a new Django or Django Rest Framework project is to create a custom User model. Part 1 deals with case when you add custom User model right at the start of a project. In part 2, we deal with scenario when custom User model is added […]




Add eslint config file (eslintrc) to Vue project

If you created Vue project via vue create my_proj and had eslint enabled in the options, You should get a .eslintrc.js in the root folder. Sometimes, I have seen it isn’t created. Worry not, here is how you can generate it manually. Make sure you have eslint module in node_modules folder. Then in console, do […]




CSS common tricks – Avoid text wrapping at whitespace

  • December 11, 2019
  • CSS

Here is how to avoid wrapping of text in elements like btn, div etc (block, or inline-block elements). add this to the btn styling: white-space: nowrap;




Vertically center items in Vuetify v-app-bar

I was writing a navigation bar and wanted to center some buttons in the navbar. Here is how I did it. Note that there are many items in nav-bar which is not very good in terms of material design principles (for smaller screens). If there are that many items, it is advisable to put a […]