I want to design specific class hierarchy consisting of three classes: Certificate, Organization, User. Both Certificate and Organization seem to me to be kinda
string-to-datetime
location
swift-hashable
act-as-taggable-on
hypothesis-testing
anglesharp
continuous-integration
.net-core
imageresizer
qinputdialog
gem-fury
servicebus
sendmail.exe
ruby-on-rails-5
text-normalization
django-runserver
guppy
narayana
unpkg
qtsql
gutenberg-blocks
elastic-network-interface
git-p4
xmpphp
gopro
mapdeck
coderunner
invite
setter-injection
jdbi