Rails tweaking: test startup times can be very slow due to Fixture loading, especially for HABTM. We monkey-patched the Fixture-loading code that handles HABTM, resulting in a test suite performance increase of 300% for one project! We’ll submit the patch to Rails core and keep you posted.
Ask for Help
“Does anyone know an efficient algorithm for detecting overlapping rectangles made of up latitudes/longitudes… in SQL?”
Or, in other words, detecting if two selections on a map overlap. The latitudes and longitudes are stored in a MySQL database. MySQL has some GIS features that we’ll explore.