The attached ImageLoader helper will start fetching an image and return an image that is resolved once the image is...
Sometimes you want to preload images that you will be using later. E.g. if hovering over a an area changes...
brandcolors.net provides you with the colors of the world's biggest brands, easily searchable.
When building a form with a file select field, you may want to offer your users a live preview before...
You will need to look here and find your own device. Look for the "bootable CD" download, which will give...
Instead of using this hack you might want to use MariaDB 10.x which can work with both old and...
This card existed before, but was outdated due to browser implementation changes. The information below is validated for the current...
To upload a file via AJAX (e.g. from an ) you need to wrap your params in a FormData object.
Geordi is now (partially) tested with Cucumber. Yay! geordi cucumber supports a new @solo tag. Scenarios tagged with @solo...
Note The maintenance mode is enabled on all application server as soon as the file /public/system/maintenance.html is present. Installation
A collection of 700+ svg vector logos. The logos are optimized (removed duplicated paths / excessive groups / empty defs, linting, etc...
Note This card does not reflect the current state of lazy loading technologies. The native lazy attribute could be used...
A list of common computer I/O actions and how long they take. Visual comparison chart: http://i.imgur.com/k0t1e.png
Now that CarrierWave is no longer maintained, Shrine might be worth a look.
Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...
The asset pipeline is one of Rails' two mechanisms how stylesheets, javascripts and images from your /assets folder are processed...
Writing ruby methods that accept both optional and keyword arguments is dangerous and should be avoided. This confusing behavior will...
When working with PostgreSQL, you can use pgAdmin as a GUI. While you can do most things just like on...
Bash stores the exitcodestatus of piped commands in the environment variable PIPESTATUS So you can just echo ${PIPESTATUS[@]} to get...
All browsers + IE9 know the CSS :empty selector. It lets you hide an element when it has no content, i.e...
Looking for a way to embed raster images for both low- and high-DPI displays, this developer had some good...
We've already learned how to integrate user-provided images uploads to our application in 205 basic file uploads and...
Read the following material: World's shortest UI/UX design course Easiest Way to Pick UI Colors
Ruby has Enumerable.find(&block), which returns the first item in the collection for which the block evaluates to true.