I've created this small sprite to create css sprites. It glues images from directory directory into single file and generates corresponding css.
This article is pretty old. Now it's better to use something integrated to your build process, like grunt or webassets.
I just found out that __or__ and __and__ are defined for QuerySet. This means that to do queries union or intersection, you can do:User.objects.filter(...) | User.objects.filter(...)User.objects.filter(...) & User.objects.filter(...)
Lead management is an important part of the marketing strategy of every company of any size. Besides automating various business processes, privately-held organizations should consider implementing an IT solution that would help them manage their leads. So, how should you make a web-based leads management system for a University in order to significantly increase sales?