Bootstrap v4, hidden-*, visible-* replacements

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 to reproduce the same effect as the above removed classes. There is also an extension… Continue reading Bootstrap v4, hidden-*, visible-* replacements

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SD Card Backup Image – Raspberry Pi Disk Clone

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 list and you’ll see where the SD Card is mounted). It can take a while… Continue reading SD Card Backup Image – Raspberry Pi Disk Clone

PHP, Dynamically Checking Colors for Legibility Contrast

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 Contrast Checker It’s a very helpful script, to prevent some illegible dynamic text colors from… Continue reading PHP, Dynamically Checking Colors for Legibility Contrast

Generate / Create QRcode 2D barcodes ( primarily QRcodes ) in raster and vector formats

www.qrstuff.comĀ ? You can generate QR Codes (the most popular 2D barcode) for Website URL, YouTube Video, Google Maps Location, Social Media, iTunes Link, Plain Text, Telephone Number, SMS Message, Email Address, Email Message, Contact Details (VCARD), Event (VCALENDAR), Wifi Login (Android Only), Paypal Buy Now Link. With QRstuff.com you to change colour of the positive… Continue reading Generate / Create QRcode 2D barcodes ( primarily QRcodes ) in raster and vector formats

Opening Nikon-RAW formats in Photoshop CS2

Photoshop by default handles a wide variety of file formats. But still there are some formats that require specific plug-ins. Case-in-point, Nikon-Raw formats. Download the Photoshop plugin to render RAW formats: Click Here Raw formats are the “digital” negatives for pictures. They retain all raw information that a digital-camera captures. Most off-the-shelf digital cameras convert… Continue reading Opening Nikon-RAW formats in Photoshop CS2