Initial commit

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zhongjin
2020-06-15 10:58:47 +08:00
commit 4f1dfe7564
8590 changed files with 1516878 additions and 0 deletions

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@@ -0,0 +1,9 @@
class String
@@chars ||= ('a'..'z').to_a + ('A'..'Z').to_a
def self.random(size = 8)
(0..size).map{ @@chars[rand(@@chars.length)] }.join
end
end