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What is the best way to implement nested dictionaries?
I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this:
21 Answers
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Go > operators
Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
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How does deriving work in Haskell?
Algebraic Data Types (ADTs) in Haskell can automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them.
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More elegant way of declaring multiple variables at the same time
To declare multiple variables at the "same time" I would do:
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How to print a date in a regular format?
This is my code:
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PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
I am trying to convert a date from dd/mm/yyyy => yyyy-mm-dd . I have using the mktime() function and other functions but I cannot seem to make it work. I have managed to explode the original date using '/' as the delimiter but I have no success changing the format and swapping the '/' with...
How to delete duplicate lines in a file without sorting it in Unix?
Is there a way to delete duplicate lines in a file in Unix?
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RGB to hex and hex to RGB
How to convert colors in RGB format to hex format and vice versa?
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Is there a regular expression to detect a valid regular expression?
Is it possible to detect a valid regular expression with another regular expression? If so please give example code below.
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How to output only captured groups with sed?
Is there any way to tell sed to output only captured groups? For example given the input:
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