Do developer use Firefox?
We run multiple versions of Firefox and at times we need to re-install this great tool.
Here are a few common routines and examples that may also help you out as a web developer.
Stop the caching
https://support.mozilla.org/en-US/questions/905902
type in the address bar about:config
then press the button i'l be careful i promise
then type in the bar browser.cache.disk.enable
then double click on it, to make it false
exit firefox and restart-it.
do the same with browser.cache.memory.enable