We are a small team of web developers. We create complex, non-standard projects using Django and Angular.js. Basically — it is a development from scratch for start-ups from the USA and Europe. The peculiarities of our work are precise planning, effective development process, high quality requirements.
Gearheart web development studio founded in 2012. The company develops business web applications for customers from the USA and Europe. Projects are interesting in terms of development. The duration of the projects is 6-18 months. Usually, the team of 3-6 people is engaged in the project, we carry out 4-10 projects together. We work remotely; there are developers from three countries in our team.
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Django ORM is a very abstract and flexible API. But if you do not know exactly how it works, you will likely end up with slow and heavy views, if you have not already. So, this article provides practical solutions to N+1 and high loading time issues. For clarity, I will create a simple view that demonstrates common ORM query problems and shows frequently used practices.