Results for Tag ‘Ruby on Rails’

It’s a common challenge in many mobile and web applications: how do you allow users to upload their own images, while automatically adapting these images to a fixed graphic design? Cropping images at scale A classic example is a user uploading a profile picture, but instead of providing a headshot,…

There are many ways to optimize PNG files, but one optimization which is commonly overlooked involves the PNG’s transparent background. If you’ve chosen to use PNGs instead of a more compact format like JPG, mainly for the PNG’s support of a transparent background (alpha channel), read on…

Thumbnails of website screenshots are a common visual design element. Search engines, such as Google, display webpage screenshots in their search results. Social news sites, such as DZone, embed screenshot thumbnails of shared pages. Bloggers and technology news sites embed screenshots of company websites and online services they discuss in…

Website developers and administrators today tend to find themselves managing quite a few files, images and other media assets. Whether you upload content to your web application yourself, allow your users to upload files or have files imported from content partners, you’ll need to handle the upload process, storage, and…

One of the hardest optimization goals when showing images to your website (and mobile application’s) visitors, is to minimize the image file size while maintaining high enough display quality. Smaller image file sizes directly translate to faster load times, reduced bandwidth costs and improved user browsing experience. But small file…

Online advertising is one of the most popular tools to drive traffic to your website and mobile application in a consistent and cost-effective manner. Online text ads play a very big role in this strategy. Building an effective ad campaign usually involves the write-up of different textual content to perfectly…

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…

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…

Do you like to show your photos exactly as they were taken or do you usually tweak them a little to get that extra punch? Just a few years ago, almost all photos were displayed and shared as-is. Image transformations and improvements were left to the Photoshop experts. Then came the…