... RubyGems. Rails comes packaged with its own copy of Builder, so you won’t have to download anything to getstarted.Report erratumCACHING,PART TWO 3 67 Refresh pageFigure 17. 7: Refreshing a Page with ... you’re updating will be compatible with that usedto generate its bretheren initially. We talk about the use of partials with AJAX in Chapter 18, The Web, V2.0,onpage 373 .ComponentsPartials allow ... warn you if you reload a page.Within Rails, this means using thebutton_to( ) helper to point to dan-gerous actions. However, you’ll need to design your web pages with care. HTML does not allow...