A classic golden-oldie seaside resort that has wanting brought to thinking images of octogenarians dozing connections deck chairs or tapping their feet to brassy tunes on the 1930s bandstand, ravishing Eastbourne nonetheless likes to stand its multiplied charms to sprightlier generations. There’s certainly no doubting the appeal of its pebbly beaches, scrupulously snipped seaside gardens and active arcade-free promenade, but if you’re looking for cosmopolitan buzz, grab your chocolate-flake ice …