Cloudinary Blog

Blog posts of 'Ruby-on-Rails' tag
WebP file format - saving bandwidth and improving UX
Modern image compression techniques have had a large impact on our lifestyle. Digital cameras can save thousands of high-quality photos on a single memory card, smartphones can quickly share high resolution images on-the-fly, and websites and mobile apps can show rich media quickly. All of this just couldn,t have worked if image data was stored at its original, raw form. 
 
Through our apps, browsers and devices, we all use the JPEG lossy format to manage photos efficiently and the PNG lossless format to deliver graphics, icons and drawings.
 
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Two decades ago websites had such a simple usage flow. Web servers returned complete HTML pages and each user action required that a new HTML page be reloaded from the server. Later on Ajax joined the game allowing dynamic updating of specific web page fragments via simple Javascript requests to the server. Google's wide-spread use of Ajax with Gmail was simply mind blowing at the time. Today's product requirements wouldn't settle even for that.
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Images. Your web (or mobile) application is probably filled to the brim with images. You might be surprised at just how much impact these images have on your visitors. From their graphical appeal to their size and access times - these images determine your visitors browsing experience and ultimately their conversion to repeating visitors and paying clients.
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More and more developers are getting to know the power of the cloud. In today's web application development world you can leverage the cloud to build large scale applications so quickly and easily that it's simply mind-boggling that you get all of this while still keeping on a very reasonable budget. 
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Modifying an image opacity so the image is semi-transparent is a common requirement when implementing modern graphics design. Reducing image opacity allows background images to feel less dominant. Reducing opacity also allows layering of multiple images one on top of the other, an important step when adding watermarks, badges and textual overlays to images.
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In a previous post we've shown how you can easily manage your Ruby on Rails image uploads with CarrierWave and Cloudinary. Many of our Rails readers found this very useful, as it depicted a powerful image management solution that is trivial to integrate - use the popular CarrierWave GEM together with the Cloudinary GEM, add a single 'include' line to your code and that's it. All your images are automatically uploaded to the cloud and delivered through a fast CDN. Better yet, all image transformations defined in your CarrierWave uploader class are generated in the cloud by Cloudinary. No need to install and setup any image processing library (goodbye RMagick, ImageMagick, GraphicsMagick, MiniMagick, etc.). You also don't need to worry any more about CPU power, storage space, image syncing between multiple servers, backup and scale.
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Graphic designers often contemplate whether to add borders to their website elements. The decision of whether to add borders around frames, buttons and text elements really depends on the feeling the designer is trying to convey through the design. 
 
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