Sinatra won't reload your files. So if you're developing your app and want to see any changes made in the browser, install the shotgun gem. gem install shotgun You can then use shotgun to run your server shotgun your_sinatra_ditty.rb Presto, your ditt...

If you want to take a look at the SQL being generated by active record while your using the console, you can either type this into the console when it loads ActiveRecord::Base.logger = Logger.new(STDOUT) Or you can add it to your environment so that it'...

If you need to make iOS app icon assets from a photo, take a look at the [Make App Icon](https://makeappicon.com/) website and API. They will let you upload an image from a web browser (in exchange for an email) and then email you the assets you can just...

Active Record find methods for selecting range from http://charlesmaxwood.com/notes-from-reading-activerecordbase/ Student.find(:all, :conditions => { :grade => 9..12 }) return a range Student.find(:all, :conditions => { :grade => [9,11,12] }) will retu...

I just got a new machine and downloaded XCode. I used git to clone my ReactNative project from Github. I have everything ready to go. But when I run `react-native run-ios` I see xcrun: error: unable to find utility "instruments", not a developer tool ...