To exclude .svn directories from a recursive grep, use the –exclude option, for example:
$ grep --exclude='*.svn*' -R 'your.*search' .
Daily Archives: 2017-03-08 [Wednesday]
HTML <table> CSS width not working
If your table isn’t automatically adjusting to the width specified by your CSS, make sure you haven’t set display: inline-block; on the <table> element.
Migrating from Firebug to Firefox Developer Tools
See Migrating from Firebug and Firefox Developer Tools to get started. Also of interest was Web Console Helpers.