Karl Matthias relistan
gavinheavyside
/ fizzbuzz.rb
Last active
September 27, 2019 08:43
— forked from mrb/fizzbuzz.rb
Writing FizzBuzz without modulus division or 'if'
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| fizz = [nil, nil, "Fizz"].cycle | |
| buzz = [nil, nil, nil, nil, "Buzz"].cycle | |
| (1..100).zip(fizz, buzz) do |num, *fb| | |
| puts fb.compact.reduce(:+) || num | |
| end |
rgreenjr
/ postgres_queries_and_commands.sql
Last active
November 17, 2024 13:10
Useful PostgreSQL Queries and Commands
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| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |