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import java.io.BufferedReader; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.io.InputStreamReader; | |
import java.net.MalformedURLException; | |
import java.net.URL; | |
public class Lucky13 { | |
public static double getWinnings(double bet) throws MalformedURLException, IOException { | |
return (new BufferedReader(new InputStreamReader(((InputStream)(new URL("http://roulette.engineyard.com/").getContent())))).readLine().indexOf("13") != -1) ? 35 * bet : 0; |
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class Array | |
def recursive_reverse | |
return self if empty? | |
[pop, *recursive_reverse] | |
end | |
end | |
puts [1,2,3,4].recursive_reverse.inspect |
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@posts.try(:each) do |post| | |
# something with post | |
end |
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case "Foo BAR baz" | |
when /bar/i | |
puts "This will occur" | |
end |
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def with_scope(*locator) | |
locator.compact.empty? ? yield : within(*locator) { yield } | |
end |
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array = [1, 2, 3, 4, 5] | |
print_procs = [] | |
array.each do |i| | |
print_procs.push lambda { puts i } | |
end | |
print_procs.each(&:call) | |
puts |
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def execute | |
x = 3 | |
yield | |
end | |
x = 1 | |
execute { puts x } |
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x = 1 | |
block = lambda { puts x } | |
block.call | |
x = 3 | |
block.call |
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actions = [] | |
for i in [1, 2, 3, 4, 5] | |
actions.push lambda { puts i } | |
end | |
actions.each(&:call) |
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actions = [] | |
[1, 2, 3, 4, 5].each do |i| | |
actions.push lambda { puts i } | |
end | |
actions.each(&:call) |
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