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I can't even remember the last time I ran rvm implode, I'd reckon I've been using RVM for about three years.
Sure: I always update it via rvm get stable but I never really clean up old Rubys or gems, I only run bundle clean --force in each repository from time to time since I don't always use bundle exec.
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Ruby's standard library and Rails's PostgreSQL adapter use by default version 4 UUIDs. This can be changed in Rails migrations via:
default: 'uuid_generate_v1()'
param whereas Ruby's stdlib only supports version 4.
Another interesting difference is in the implementations:
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Great news everyone! Ruby 2.2 preview 1 has been released ! I'm really curios about the Incremental GC and Symbol GC so let's run some quick Rails benchmarks o ...