Bootstrap v4 has replaced the following classes: hidden-sm-down, hidden-md-down, hidden-lg-down, hidden-xl-down, hidden-xs-up, hidden-sm-up, hidden-md-up, hidden-lg-up, hidden-xl-up, hidden-xs, hidden-sm, hidden-md, hidden-lg, hidden-xl, visible-xs, visible-sm, visible-md, visible-lg, visible-xl Below is an example of what classes you now need to have in order … Continued
To make a backup / clone of an SD card from within OS X, open Terminal and run $ sudo dd if=/dev/disk2 bs=1m | gzip > ~/Desktop/raspberry_clone.gz (If you’re not sure what /dev/disk the SD card is, run $ diskutil … Continued
When writing code to dynamically create background colours and text colours, there is always the potential those two colours will not look appropriate together, and will either render the text illegible or create oscillating text. Enter Split Brain .org‘s Color … Continued
An amazing tool for optimizing PNG-24 images with transparency in OSX: http://pngmini.com/ This optimizing program can drastically reduce a PNG-24’s size.
Great online tool to generate CSS gradients: http://www.colorzilla.com/gradient-editor/