Ruby cheat sheet

Four good ruby cheat Sheets:
https://overapi.com/ruby
http://www.testingeducation.org/conference/wtst3_pettichord9.pdf
https://github.com/ThibaultJanBeyer/cheatsheets/blob/master/Ruby-Cheatsheet.md#basics
https://www.vikingcodeschool.com/professional-development-with-ruby/ruby-cheat-sheet

Best ruby cheat sheet

def greeting(hello, *names) # *name is a splat argument, takes several parameters passed in an array
  return "#{hello}, #{names}"
end

start = greeting("Hi", "Justin", "Maria", "Herbert") # call a method by name

def name(variable=default)
  ### The last line in here get's returned by default
end

Source: github.com

Best ruby cheat sheet

things.each do |item| # for each things in things do something while storing that things in the variable item
  print “#{item}"
end

Source: github.com

Best ruby cheat sheet

for i in 1..5
  next if i % 2 == 0 # If the remainder of i / 2 is zero, we go to the next iteration of the loop.
  print i
end

Source: github.com

Best ruby cheat sheet

my_array = [a,b,c,d,e]
my_array[1] # b
my_array[2..-1] # c , d , e
multi_d = [[0,1],[0,1]]
[1, 2, 3] << 4 # [1, 2, 3, 4] same as [1, 2, 3].push(4)

Source: github.com

Best ruby cheat sheet

# single line comment

Source: github.com

Similar codes

2 votes125 views3 answers
Ul hide bullet css
CSS
9 votes154 views3 answers
Outline button css
CSS
1 vote173 views1 answer
Ion input padding left
CSS
0 vote140 views1 answer
Purge tailwind 3
CSS
0 vote153 views1 answer
Selection.addrange() deprecated
CSS
3 votes196 views2 answers
How to get rid of underline for links in css
CSS
0 vote157 views1 answer
How to make background color smaller css
CSS
62 votes162 views3 answers
Border radius shorthand
CSS
1 vote143 views1 answer
How to make a relative div not take up space
CSS
0 vote160 views2 answers
Woocommerce cart css description
CSS