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What does @@variable mean in Ruby?

...alue}" # 2 a = AnotherTest.new puts "a.value is #{a.value}" # 2 a.value = 3 puts "a.value is #{a.value}" # 3 puts "t.value is #{t.value}" # 3 puts "x.value is #{x.value}" # 3 You can see that @@shared is shared between the classes; setting the value in an instance of one changes the value for all...
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Regex to replace everything except numbers and a decimal point

... answered Dec 31 '10 at 20:34 ChanduChandu 72.1k1616 gold badges118118 silver badges122122 bronze badges ...
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Java: Integer equals vs. ==

... | edited Sep 24 at 8:13 Naman 68.4k2121 gold badges156156 silver badges264264 bronze badges answered...
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mongodb group values by multiple fields

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Find the nth occurrence of substring in a string

... 3 Thanks, I like your one liner. I don't think it's the most instantly readable thing in the world, but it's not much worse then most others b...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...items(). The original remains for backwards compatibility. One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7. ...
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How can I find the version of the Fedora I use?

... | edited Apr 1 '18 at 3:54 vdegenne 7,28499 gold badges5858 silver badges8686 bronze badges answered...
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Matplotlib scatterplot; colour as a function of a third variable

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Gradle - getting the latest release version of a dependency

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