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What is the ultimate postal code and zip regex?

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RegEx for matching UK Postcodes

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Optional Parameters with C++ Macros

...f arguments to a macro. enum { plain = 0, bold = 1, italic = 2 }; void PrintString(const char* message, int size, int style) { } #define PRINT_STRING_1_ARGS(message) PrintString(message, 0, 0) #define PRINT_STRING_2_ARGS(message, size) PrintString(message, size, 0...
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Finding all possible combinations of numbers to reach a given sum

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Five equal columns in twitter bootstrap

...tand how the 5 column grid is being used here: http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive ...
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Ruby - elegantly convert variable to an array if not an array already

...t of the time, but for some cases like a hash, it messes it up. Array([1, 2, 3]) # => [1, 2, 3] Array(1) # => [1] Array(nil) # => [] Array({a: 1, b: 2}) # => [[:a, 1], [:b, 2]] [*[1, 2, 3]] # => [1, 2, 3] [*1] # => [1] [*nil] # => ...
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Migrating from JSF 1.2 to JSF 2.0

I am working with a rather large app written in JSF 1.2 . JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc. ...
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]

... 207 It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means "equal to 2.3 o...
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How do you calculate the average of a set of circular data? [closed]

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Rounding float in Ruby

...er, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35 ...