desc "Compiles CoffeeScript using Barrista (but only if they changed)" task 'coffee:compile' => :environment do abort "' # ` end end endĪssets are now served from a new directory with every deployment, effectively working around the CloudFront cache limitations. public/assets/common.js and common.js.gz) files. I can run rake assets and get output in public/assets that is a mix of checked in (eg. We use a simple Rake task to generate assets heavily inspired by this gist (bonus clean task included). package_assets : on javascripts : vendor : - public/javascripts/vendor/plugins/\*\*/\*.js common : - public/javascripts/models/\*\*/\*.js - public/javascripts/views/\*\*/\*.js - public/javascripts/controllers/\*\*/\*.js stylesheets : common : - public/stylesheets/common/global.css - public/stylesheets/common/forms.css - public/stylesheets/plugins/jquery-ui.css client : - public/stylesheets/common/client.css - public/stylesheets/plugins/ Generating Assets Here’s a simplified version of our config/assets.yml. The latter uses a configuration file to specify what is to be packaged and how. Asset PackagingĬSS files generated by SASS and JS files generated by coffee are packaged together by Jammit. Coffeescript is compiled with barista and the output is placed into public/javascripts. We use Backbone.js heavily and write all javascript in coffee. CoffeeScript to JavaScriptĬoffeeScript is a language that compiles into JavaScript. There’re a few good articles that dwell into SASS itself, including this one. Those images in our system are added to public/assets/images. Note that stylesheets often reference images in various tags, such as background. These are compiled with compass and placed into public/stylesheets. We write all stylesheets using SASS and place them into app/stylesheets. Syntactically Awesome Stylesheets (SASS) to CSS Get your vodka glass, you’re going to need one.įirst some background. Alright, today we’re going to figure out how to make Amazon Cloudfront actually work with static assets, Rails, Jammit and Heroku. Vodka in Russia is measured in grams – 100g being something you would casually drink for breakfast. Jammit also offers songs with isolated guitar, drums, keyboards and vocals.When someone says that you need a “100 grams” to figure something out, it means that it’s completely unobvious and complicated and therefore you need a few vodka shots. It’s really fun to use and allows the user to experience some classic tunes (and new ones too) from a whole new perspective. The app is free and the songs are very reasonably priced. Of all the new products out there, I think Jammit is truly a no-brainer decision. You also have the ability to slow the song down without changing the pitch and to record your own part and even to replace the original line with your own. The transport consists of pushbutton controls to start, pause or loop a section of the song. There are faders to adjust the volume of the isolated, band and click tracks. Jammit is very easy and intuitive to use. It should also be easier to determine how a track was eq’d and to get a much better idea of how and what effects were employed. Slurs, hammer-ons, ghost notes, muting and even fret buzz and pick attack are all much more obvious. When listening to the isolated bass track I could now hear subtleties of the performance that were simply not detectable when listening to everything at once. For the next song, I chose “Roundabout” by YES with Chris Squire on his Rickenbacker bass and this is where the Jammit takes on a whole new level of cool. I couldn’t help but smile as I listened to his isolated part and follow his phrases on the written out notation. For my first tune, I chose “I Want You Back” by The Jackson 5 with Wilton Felder playing the bass part. The app itself is free and each song is priced between $1.99 and $5.99.Īfter following the instructions at the website, I downloaded the app and several tunes to my iPod Touch via a WiFi connection. Jammit is an application for iPad, iPhone and iPod Touch that gives you access to isolated tracks from the original multi-track master recordings of a wide variety of popular tunes. I have been playing with Jammit all morning and it does all of the above and more. Well, what if you could literally strip away everything but the bass track and listen to it in isolation? What if you could also follow along with the musical score of the bass line in standard notation or in tablature as it displays in sync with the music? What if you could slow the part down and loop it to play over and over? You’ve almost got it, but there are a few phrases you just can’t nail because other instrumental parts are masking the notes in question. Jammit… Picture this: You’re in your practice room trying to figure out a bass line from the original recording.
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