Django Template Tags are simple Python functions that accept a value, an optional argument, and return a value to be displayed on the page.
First, In your application folder, create a "templatetags" directory at the same level as the models and views.

You want this directory to be recognized as a Python package, so make sure you create an empty "__init__.py" file. Next, create the Python file that will hold your tags and name it something like app_tags.py.

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. Events handling and manipulating are different for mouse and touch events. You can use any custom function to do whatever you want to an event when triggered. These custom functions you wrote to happen while an event triggered are called Event handlers.

Memcache is a memory caching system that helps web applications and mobile app backends to improve performance and scalability. We should consider using Memcache when your pages are loading too slowly or your app is having scalability issues. In This Blog Post, Let's see how to use Memcached for server-side application caching.

MongoDB with Python - Connection establishment, Create, Update, Retrieve and Delete operations explained with sample code.

Generators are memory efficient. They allow us to code with minimum intermediate arguments, less data structures. Generators are of two types, generator expressions and generator functions. Generators are helpful for reading large files, streaming.

DjangoRestFramework is widely used to develop restful API. Django REST Framework is easy to use who are familiar with Django, as it is developed on the core concepts of Django. In the current blog post we’ll learn how to develop a RESTful API that performs CRUD operations on the DB.

In order to customize models, views and urls, you need to fork an Oscar core app in which model/view resides. Then you should be able to override any model/view classes.
Steps to fork/customize an app:

1. If you are forking an Oscar app for the first time, then you have to create a root apps-folder in which all your forked apps will exists:

Web-hooks play vital role if you are in Continuous Integration(CI). Higher Level organizations follow GitLab for CI purposes if they operate on open source solutions and at times every developer needs to check his code integrity. At times like that, web-hooks can help us.

Befor launching an application we should test the app to ensure that the application is working as per your requirement or not and to deliver defect free product on time, within the budget. If there is no testing, then there is no quality product.

Gulp is a task runner which uses Node.js. For example concats javascript and css, minifies css and javascript. Gulp plug-ins are designed to do one thing only. It has basic functionality such as file watching built-in. It uses leaner, simpler JavaScript code, and Tasks are executed with maximum concurrency.