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0 votes
2 answers
2k views

Ruby format string with variable inside quotes

If I do template_string = "class=btn submit-button %<additional_classes>" format(template_string, additional_classes: 'some-class') it works. However, if I do template_string = "class='btn ...
Daniel's user avatar
  • 1,832
0 votes
3 answers
176 views

Ruby titleize / convert "los angeles, ca" to "Los Angeles, CA"

I'm working on a project that uses locations entered by users and I'm looking for advice on how to correctly titleize a location such as "los angeles, ca". Using Rails titleize, I get "Los Angeles, ...
Adam's user avatar
  • 693
0 votes
1 answer
2k views

How do I properly escape % in call to printf in Ruby?

How do I properly escape % in call to printf in Ruby? When I try to use %% (as in C), value = 47 printf "To have a 60%% test average, your final exam must be at least %0.2f.\n" % [value] I get this ...
Zack's user avatar
  • 6,616
2 votes
2 answers
817 views

Avoid double quote confusion when generating CSV files?

I am pushing some strings to a CSV file: csv_string = CSV.generate({col_sep: ";", row_sep: "\n"}) do |csv| csv << ["101-41", "Sparri, \"Violet\" (rod) (1 bunt á 10 stk.)"] end When the CSV ...
Cjoerg's user avatar
  • 1,325
-2 votes
1 answer
44 views

How can I produce one whole string from iteration on array of arrays in Ruby [closed]

I have array of arrays looking something like this : arr = [[f,f,f,f,f], [f,f,t,f,f], [f,t,f,t,f]] and am I outputing it formatted on the console like this: arr.each {|a| puts a.join.gsub('t','<b&...
user2128702's user avatar
  • 2,121
3 votes
2 answers
275 views

Java equivalent of ruby's "Some sentence that I need a dynamic #{value}."

Do I have to formulate all of my strings in java like "Some static words" + variable + " some more static words." or is there a way to do something like the way ruby allows you to evaluate a section ...
davidahines's user avatar
  • 4,094
1 vote
4 answers
571 views

ClassName to class_name

I'm sure this is an easy one for you geeks: Say I have a String "ThisIsMyString" and I want to format it like "this_is_my_string" using Ruby. How do I do that? Matt
Matt's user avatar
  • 1,630