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rails g model User name:string | |
rails g model AddEmailToUser | |
rails db:rollback | |
rails db:migrate:status | |
save(validate: false) | |
valid? | |
invalid? |
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dsadsa |
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/pattern/ | |
/Perl|Python/ # Perl or Python | |
/P(erl|ython)/ | |
\s # whitespace character | |
\d # any digit | |
\w # anyword |
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render @cart |