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July 6, 2017 » Haki Benita » [Archived Version]
The days of desktop systems serving single users are long gone. Web applications nowadays are serving millions of users at the same time. With many users comes a wide range of new problems: concurrency problems. In this article we describe two approaches for managing concurrency in Django models.
Read MoreJune 8, 2017 » Haki Benita » [Archived Version]
With great power comes great responsibility. The more powerful your Django admin is, the safer it should be. Making a Django admin safer and more secure doesn't have to be hard - you just have to pay attention. In this article I present 5 ways to protect the Django Admin from human errors and attackers.
Read MoreApril 28, 2017 » Haki Benita » [Archived Version]
A rundown of all the ways you can use Prefetch to speed up queries in Django.
Read MoreMarch 30, 2017 » Haki Benita » [Archived Version]
Django Admin is a powerful tool for managing data in your app. However, it was not designed with summary tables and charts in mind. Luckily, the developers of Django Admin made it easy for us to customize. We are going to turn Django Admin into a dashboard by adding a chart and a summary table.
Read MoreFeb. 17, 2017 » Haki Benita » [Archived Version]
Django signals are extremely useful for decoupling modules. They allow a low-level Django app to send events for other apps to handle without creating a direct dependency. Signals are easy to set up, but harder to test. In this article we implement a context manager for testing Django signals, step by step.
Read MoreNov. 1, 2016 » Haki Benita » [Archived Version]
The built-in admin actions, operate on a queryset and are hidden in a dropbox menu. They are not suitable for most use cases. In this article we are going to add custom action buttons for each row in a Django Admin list view.
Read MoreOct. 25, 2016 » Haki Benita » [Archived Version]
We recently added a bank account like functionality into one of our products. During the development we encountered some textbook problems and I thought it can be a good opportunity to go over some of the patterns we use in our Django models.
Read MoreAug. 4, 2016 » Haki Benita » [Archived Version]
The Django admin is a very powerful tool. We use it for day to day operations, browsing data and support. As we grew some of our projects from zero to 100K+ users we started experiencing some of Django's admin pain points - long response times and heavy load on the database.
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