Controlling the 'alpha' level in a ggplot2 legend
In ggplot2, how can I make the legend have a semi-transparent background. The following code, gives a fully transparent background (and positioning control) plot <- plot + theme(legend.position=c(1,1),legend.justification=c(1,1), legend.direction="vertical", legend.box="horizontal", legend.box.just = c("top"), legend.background = element_rect(fill="transparent")) But how can one control the level
How to pass command line arguments to a rake task
You can specify formal arguments in rake by adding symbol arguments to the task call. For example: require 'rake' task :my_task, [:arg1, :arg2] do |t, args| puts "Args were: #{args} of class #{args.class}" puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}" puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}" end task :invoke_my_task do Rake.application.invoke_task("my_task[
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