Using Markdown in Django
How we developed a Markdown extension to manage content in Django sites.
Django
Articles tagged with "Django"
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Building an IVR System with Python, Django and Twilio
Last year my team and I worked on a very challenging IVR system. After almost a year in production and thousands of processed transactions, I teamed up with the great people over at the Twilio blog to write an introductory tutorial for developing IVR systems using Django and Twilio IVR.
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Understand Group by in Django with SQL
Understand GROUP BY in Django ORM by comparing QuerySets and SQL side by side. If SQL is where you are most comfortable, this is the Django GROUP BY tutorial for you.
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How "Export to Excel" Almost Killed Our System
Inspired by an actual incident we had in one of our systems caused by an "Export to Excel" functionality implemented in Python, we go through the process of identifying the problem, experimenting and benchmarking different solutions.
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What You Need to Know to Manage Users in Django Admin
Have you ever stopped to think what staff user can do in your Django admin site? Did you know staff users with misconfigured permissions on the user model can make themselves superusers? Permissive permissions to staff users can cause disastrous human errors at best, and lead to major data leaks and at worst.
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Improve Serialization Performance in Django Rest Framework
When a developer chooses Python, Django, or Django Rest Framework, it's usually not because of its blazing fast performance. All of this doesn't mean performance is not important. As this story taught us, major performance boosts can be gained with just a little attention, and a few small changes.
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How to Let Google Know of Other Languages in Your Django Site
If you have a public facing Django site in multiple languages, you probably want to let Google and other search engines know about it.
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- Django, ORM, PostgreSQL, SQL
How to Create an Index in Django Without Downtime
If you ever had to maintain a traffic heavy Django site, you probably had to deal with graceful migrations. In the article I explain what atomic and reversible migrations are, how to execute "raw" SQL in migrations the right way, and how using a little known migration command we can completely alter the Django migrations built-in behavior.
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- Django, ORM, SQL, Performance
How to Use Grouping Sets in Django
How we cut a heavy admin dashboard response time in half with advanced SQL and some Django hackery. I recently had the pleasure of optimizing an old dashboard. The solution we came up with required some advanced SQL that Django does not support out of the box. In this article I present the solution, how we got to it, and a word of caution.
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Modeling Polymorphism in Django
Modeling polymorphism in relational databases is a challenging task. In this article, we present several modeling techniques to represent polymorphic objects in a relational database using the Django object-relational mapping (ORM).
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