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Is there a performance gain in using single quotes vs double quotes in ruby?

... $ ruby -v ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0] $ cat benchmark_quotes.rb # As of Ruby 1.9 Benchmark must be required require 'benchmark' n = 1000000 Benchmark.bm(15) do |x| x.report("assign single") { n.times do; c = 'a string'; end} x.report("assi...
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How can I check if the current date/time is past a set date/time?

...hat does function does it implement for this? – still_dreaming_1 Sep 2 '17 at 3:57 add a comment  |  ...
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How do I include related model fields using Django Rest Framework?

...ializers.ModelSerializer): teachers = TeacherSerializer(source='teacher_set') class Meta: model = Classroom Note that we use the source argument on the serializer field to specify the attribute to use as the source of the field. We could drop the source argument by instead making...
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How to percent-encode URL parameters in Python?

...s in string using the %xx escape. Letters, digits, and the characters '_.-' are never quoted. By default, this function is intended for quoting the path section of the URL.The optional safe parameter specifies additional characters that should not be quoted — its default value is '...
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What does the filter parameter to createScaledBitmap do?

... Filter will set the FILTER_BITMAP_FLAG for painting which affects the sampling of bitmaps when they are transformed based on the value that you provide. share | ...
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How can I use mySQL replace() to replace strings in multiple records?

... UPDATE some_table SET some_field = REPLACE(some_field, '<', '<') share | improve this answer | follo...
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Is there any way to not return something using CoffeeScript?

... Just something fun(ctional) suppressed = _.compose Function.prototype, -> 'do your stuff' Function.prototype itself is a function that always return nothing. You can use compose to pipe your return value into this blackhole and the composed function will never ...
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?

... Not the comprehensive list, but a start at w3schools.com/tags/ref_symbols.asp – Bill the Lizard Apr 3 '09 at 0:44 5 ...
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How to create a function in a cshtml template?

...e template files by putting the file with the @helper directive into an App_Code directory. Whereas, the @functions directive allows a function to be used only by the template that declares it. – Jon Davis Jul 4 '11 at 21:24 ...
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Center Google Maps (V3) on browser resize (responsive)

... You want another event listener, I think for "center_changed" on the map object, that updates a global variable with the new coordinates, which you can then use in your setCenter. – duncan Jan 10 '12 at 11:15 ...