From Here
to Eternity
eurucamp

Piotr Szotkowski

Java

Date date = new java.util.Date(2014, 3, 16);




 

Java

Date date = new java.util.Date(2014, 3, 16);
// April 16th



 

Java

Date date = new java.util.Date(2014, 3, 16);
// April 16th, 3914



 

Java

Date date = new java.util.Date(2014, 3, 16);
// April 16th, 3914

//   days start from 1
// months start from 0
//  years start from 1,900

Ruby

wroclove = Date.new 2014, 3, 16




 

Ruby

wroclove = Date.new 2014, 3, 16
#=> March 16th, 2014

#   days start from 1
# months start from 1
#  years start from 1

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

eurucamp - wroclove



 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

eurucamp - wroclove
#=> 138 days


 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

eurucamp - wroclove
#=> 138 days

wroclove..eurucamp
#=> Range of Dates

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

case Date.today



end
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

case Date.today
when Date.new...wroclove      then :before


end
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

case Date.today
when Date.new...wroclove      then :before
when wroclove...eurucamp      then :between

end
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

case Date.today
when Date.new...wroclove      then :before
when wroclove...eurucamp      then :between
when eurucamp..Date::Infinity then :after
end
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

case Date.today
when Date.new...wroclove      then :before
when wroclove...eurucamp      then :between
when eurucamp..Date::Infinity then :after
end
#=> :between

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).all?(&:friday?)
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).all?(&:friday?)
#=> false :(

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).count(&:friday?)
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).count(&:friday?)
#=> 20 \o/

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).select(&:friday?)
 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).select(&:friday?)
#=> March 21st, March 28th, April 4th…

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).each_cons(2) do |lower, upper|

end





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).each_cons(2) do |lower, upper|
  puts "#{lower} - #{upper}"
end





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).each_cons(2) do |lower, upper|
  puts "#{lower} - #{upper}"
end
# 2014-03-16 - 2014-03-17
# 2014-03-17 - 2014-03-18
# 2014-03-18 - 2014-03-19
# …

 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

                   (wroclove..eurucamp).partition do |date|

end





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

                   (wroclove..eurucamp).partition do |date|
  date.saturday? or date.sunday?
end





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

weekend, weekday = (wroclove..eurucamp).partition do |date|
  date.saturday? or date.sunday?
end





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

weekend, weekday = (wroclove..eurucamp).partition do |date|
  date.saturday? or date.sunday?
end

weekend
#=> March 16th, March 22nd, March 23rd…


 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

weekend, weekday = (wroclove..eurucamp).partition do |date|
  date.saturday? or date.sunday?
end

weekend
#=> March 16th, March 22nd, March 23rd…

weekday
#=> the rest :(

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).slice_before(&:monday?)





 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).slice_before(&:monday?).each do |week|

end



 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).slice_before(&:monday?).each do |week|
  puts "#{week.first} – #{week.last}"
end



 

wroclove = Date.new 2014, 3, 16
eurucamp = Date.new 2014, 8,  1

(wroclove..eurucamp).slice_before(&:monday?).each do |week|
  puts "#{week.first} – #{week.last}"
end
# 2014-03-16 – 2014-03-16 ← last day of this week
# 2014-03-17 – 2014-03-23
# 2014-03-24 – 2014-03-30
# …

class Date
  def free?
    saturday? or sunday?
  end
end

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)












 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }











 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }

(wroclove..eurucamp).chunk(&:free?).each do |free, dates|

end







 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }

(wroclove..eurucamp).chunk(&:free?).each do |free, dates|
  puts dates.map { plans.(free) }.join ' '
end







 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }

(wroclove..eurucamp).chunk(&:free?).each do |free, dates|
  puts dates.map { plans.(free) }.join ' '
end
# ⚛






 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }

(wroclove..eurucamp).chunk(&:free?).each do |free, dates|
  puts dates.map { plans.(free) }.join ' '
end
# ⚛
# ⚒ ⚒ ⚒ ⚒ ⚒





 

fun   = %w(⚓ ⚛ ♥ ♫ ⚘ ✍ ✂ ⚔)
plans = -> free { free ? fun.sample : '⚒' }

(wroclove..eurucamp).chunk(&:free?).each do |free, dates|
  puts dates.map { plans.(free) }.join ' '
end
# ⚛
# ⚒ ⚒ ⚒ ⚒ ⚒
# ⚘ ⚔
# ⚒ ⚒ ⚒ ⚒ ⚒
# ♫ ⚓
# ⚒ ⚒ ⚒ ⚒ ⚒
# ✂ ♥
# …