Generated face images for UI mockups
Generated Photos Show archive.org snapshot produces AI-generated face images.
This is useful for UI mockups where you don't want to show real people or copyrighted stock photography.
Related cards:
Remove resource fork files from a FAT volume on MacOS
Be careful!
The following solution will delete files on a volume. If you don't know exactly what you're doing, you can run into big trouble with your computer.
I play mp3 files on my car stereo that are stored on a SD-C...
A collection of useful design resources for developers
This collection contains some useful design resources for developers. Many of them were mentioned in the Refactoring UI tutorials.
Tutorials
- Refactoring UI Videos
- [Refactori...
Read your mail in networks that forbid e-mail traffic
If you are connected with a network that forbids e-mail traffic but allows SSH, you can tunnel your e-mail connection through a trusted, intermediary server:
sudo ssh -i /home/local-user/.ssh/local-user.key -L 143:mail-server.tld:143 remote-...
How to build the perfect number of blank records for a nested form
When you render a nested form for a Movie which has_many :actors, you want to render the right number of blank Actor forms. The right number means:
- A minimum number of blank forms so the user can add more
Actorsto an existingMovie, ...
How to not die with ActionView::MissingTemplate when clients request weird formats
When HTTP clients make an request they can define which response formats they can process. They do it by adding a header to the HTTP request like this:
Accept: application/json
This means the client will only understand JSON respon...
Always show all form errors during development
You've been there: A form cannot be submitted, but you don't see a validation error because the field at fault has no corresponding input field on the form. Because this is usually a bug, you insert debug information listing all errors into the fo...
Use <input type="number"> for numeric form fields
Any form fields where users enter numbers should be an <input type="number">.
Numeric inputs have several benefits over <input type="text">:
- On mobile or tablet devices, number fields show a special virtual keyboard that shows mostly digit...
Declare different CSS background-images for different locales
If you would like to use language specific layout (e.g. background-images) in your applications stylesheets you can achieve this easily by using the lang attribute in your views (ERB):
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<%...
Good real world example for form models / presenters in Rails
We have often felt the pain where our models need to serve too many masters. E.g. we are adding a lot of logic and callbacks for a particular form screen, but then the model becomes a pain in tests, where all those callbacks just get in the way. O...
Rails: Assigning associations via HTML forms
Let's say we have posts with an attribute title that is mandatory.
Our example feature request is to tag these posts with a limited number of tags. The following chapters explain different approaches in Rails, how you can assign such a...