รูบี้จัดกลุ่มตามแอททริบิวต์
รหัสตัวอย่าง
รูบี้อาเรย์จัดกลุ่มตามแอททริบิวต์
irb(main):001:0> aers = %w(a b c d ab bc de abc)
#=> ["a", "b", "c", "d", "ab", "bc", "de", "abc"]
irb(main):002:0> aers.group_by{ |s| s.size }
#=> {1=>["a", "b", "c", "d"], 2=>["ab", "bc", "de"], 3=>["abc"]}
people.group_by { |p| p['age'] }หน้าคล้ายกัน
คล้ายกันหน้ากับตัวอย่าง
ในภาษาอื่นๆ
หน้านี้อยู่ในภาษาอื่นๆ
empty row
Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................
ดังอยู่ในนี้หมวดหมู่
ดังหน้ากับตัวอย่างอยู่ในหมวดหมู่
empty row