Django ORM performance patch
I made a patch for Django to add QuerySet.fields(*fields, **related_fields) and make possible to load only some from master and related models fields. It allows to tune various object list queries when we need only limited subset of all fields, improve general performance and decrease database load. As side effect of this patch support of selecting fields from related models in QuerySet.values() is implemented too. It was changed signature of this method from values(*fields) to values(*fields, **related_fields) but the change is backward compatible.
WebAlchemy vs StaticGenerator
When two months ago I published WebAlchemy code, several people asked me how to make it working with nginx or lighttpd. Yesterday new tool similar to WebAlchemy StaticGenerator was published. Now it seems right time to explain how to use WebAlchemy with nginx and other servers that don't have .htaccess files, highlight some important differences between WebAlchemy and StaticGenerator, and say thanks to Django for signal framework that makes it all possible.
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