Reduce database queries in django with Conditional Expressions. By using Conditional Expressions we can use "If...Elif...Else" expressions while querying the database so that we can reduce the number of queries to the database and increase the response time. If we don't use conditional expressions in queries we have to write raw SQL queries or we have to hit/query the database for multiple times. That's the reason Django included Conditional Expressions from version 1.8
Coverage: It is a tool used for measuring the effectiveness of tests, showing the percentage of your codebase covered by tests.
Test Coverage is an important indicator of software quality and an essential part of software maintenance. It helps in evaluating the effectiveness of testing by providing data on different coverage items. It is a useful tool for finding untested parts of a code base. Test coverage is also called code coverage in certain cases.
Displaying and Customizing the images in django with sorl-thumbnail.
Packaging python script to debian follows strict instructions, using the following instructions, most of the steps can be skipped hence making it easy and fast.
If you like video goto https://www.youtube.com/watch?v=a9GzDZB5VeU. This video doesn't show setup.py file creating which is required, but excluding that portion everything is same as below.
By writing unit test cases, you can evaluate each code component in the initial stage itself and it'll improve your app/code performance. Which is the best practice to test your code and you can easily determine if there are any errors.
It is a bit pricy if you want to host code for collaboration using bitbucket or github on your own VPS or On-Premisis servers. Gitlab in midst of this provides a community edition which is packed with essential features and also free of cost. Both Editions ship with CI integrated in it and also can handle 3rd party CI applications like Jenkins or Bamboo ..etc.,
Explaining Django Oscar checkout flow.
Google Maps allows you to display maps on your web site, we can also customize maps, and the information on maps.
Django by default to store the files in your local file system. To make your files load quickly and secure we need to go for any third party storage systems. AWS s3 is one of the storage service for the Internet. It is designed to make web-scale computing easier for developers. django has a package called django-storages which can be used to store the files in the amazon s3 and serve them from its cloudfront service.