عناوین تاریخچه ویژگیها 6 جزءاصلی کاربردها 2 از 34
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1 1 از 34
2 عناوین تاریخچه ویژگیها 6 جزءاصلی کاربردها 2 از 34
3 Dynamic, object-oriented, general purpose دهه 90 میالدی Yukihiro Matsumoto (Matz) 3 از 34
4 نسخه فعلی مفسری مکروبی جیروبی روبینوس هاتروبی آیرنروبی و امروبی تحت حمایت شرکتهای: HeroKu, new Relik, Engine Yard 4 از 34
5 open source JetBrains Portable Dynamic نحو کوتاه و انعطافپذیر مدیریت استثنا محیط برنامهسازی مناسب: Sybase و MySQL DB Oracle : پایگاه داده 5 از 34
6 Data ( 1 Primitive Operations ( 2 Sequence Control ( 3 Data Control ( 4 Storage Management ( 5 Operating Environment ( 6 6 از 34
7 1) String 2) Numeric a) Integer b) Float 3) Hash 4) Symbol 5) Array 6) Range Data Types 7 از 34
8 String Specification Attribute Value Operation variable size متجانس حداکثرتعداداجزاء:نامحدود سازمانمنطقیبیناجزاء:خطی Data Types *, +, > = <, ==, =~, to_s, to_i 8 از 34
9 String Implementation Storage representation Algorithms software LinkedRepresentation Data Types 9 از 34
10 Numeric 1) Integer 2) Float Specification Attribute Value Operation Implementation Storage representation Algorithms 10 از 34 تعداد Componentهانامحدودیت %, *, +, <<, > = <, ==, to_s, to_i software Data Types
11 Hash Specification Attribute Value Operation Implementation Storage representation Algorithms Data Types variable size نامتجانس دستیابیبهیکجز:کلید حداکثرتعداداجزاء:نامحدود سازمانمنطقیبیناجزاء:خطی ==, =<,.delete,.keys,.values,.invert,.length LinkedRepresentation 11 از 34 software
12 Symbol Specification Attribute Value Operation Implementation Storage representation Algorithms Fixed size > =<, ==, = Sequential Representation Data Types 12 از 34 software
13 Array Specification Attribute Value Operation Implementation Storage representation Algorithms variable size نامتجانس *, +, -, <<,.insert, delete_at, <=>, eql?,.sort LinkedRepresentation Data Types 13 از 34 software
14 Data Types Range Specification Attribute Value Operation Implementation Storage representation Algorithms 14 از 34 Fixed size متجانس ==,===, eql? software
15 +, -, *, /, %,=, +=, -= *=, /=, %=, **=, ** Operations x+= y #x=x+y x**= y #x=x**y x,y=10,20 x, y = y, x #x=20 y=10 x = 10 y = از 34
16 ==!= > < >= <= <=>.eql? === Example: puts 3 == 3.0 #true # but puts 3.eql?(3.0) #false puts 1<=>2 # -1 puts 1<=>1 # 0 puts 1<=>0 # 1 puts (1..100) === 99 # true Operations 16 از 34
17 and && or not! Operations if (a>b && b<10) (a<b && b>10) puts a end 17 از 34
18 Precedence Sequence Control () before ** before * / % before از 34
19 Example: 19 از 34 If/else/elsif/unless statement num = 8 if num == 3 puts Number is 3 elsif num == 7 puts Number is 7 else puts Not found end #outputs Not found Sequence Control
20 Example: 20 از 34 If/else/elsif/unless statement a = 42 unless a < 10 a = 42 puts Yes puts Yes if a > 10 else puts Yes unless a<10 puts No end # outputs Yes Sequence Control
21 case statement age = از 34 case age when 1, 2, 3 puts Little baby when 4, 5 puts child else puts Not a baby end #outputs Not a baby Sequence Control
22 Loops Sequence Control x = 0 while x < 10 puts x x += 1 end a = 0 until a > 10 puts a = #{a} a += 2 end 22 از 34
23 for i in (1..10) Loops x = 0 Sequence Control break if i > 8 loop do next if i % 2 == 0 puts x puts i x += 1 end break if x > 10 end 23 از 34
24 Loops arr = [2, 4, 6] sum = 0 arr.each do x sum += x end puts sum # times do end puts Hi Sequence Control 24 از 34
25 Data Control Local: def calc(x) y = 2 puts x*y end puts y # output: undefined local variable or method y 25 از 34
26 Data Control Global: 26 از 34 $x = 42 def change $x = 8 end change puts $x # output: 8
27 Class Instance 27 از 34 class Person def initialize = age end def show puts #{@age} years #{days_lived} days end private def * 365 end end Data Control
28 مدیریت حافظه خودکار و پویا جمعآوری زباله خودکار برای شیءهای کوچک heap و برای شیءهای بزرگ malloc extra memory outside of heaps Storage Management 28 از 34
29 Batch Processing Interactive Operating Environment puts gets prints 29 از 34
30 Framework Ruby on Rails david heinemeier hansson DHH 2005 سیناترا پادرینو 30 از 34
31 در حوزه وب شبیه سازی مدل سازی سه بعدی رباتیک شبکه بندی علم تلفن سیستم های مدیریت سیستم 31 از 34 و...
32 Hulu Bloomberg Shopify Airbnb SlideShare 32 از 34
33 33 از 34 def fact n if n <= 1 1 else n * fact(n-1) end end puts "fact = #{fact 5}"
34 34 از 34
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