Ruby remove nil values from array with reject Stack Overflow
Ruby remove nil values from array with reject Ask ion Asked 10 years 1 month ago Modified 8 years 3 months ago Viewed 21k times 25 I have an array scores 1 2 3 4 And I want to remove all blank values But when I run this puts scores reject empty I get an error undefined method empty for 1 Fixnum
Ruby Clearing Empty Strings from an Array Stack Overflow, 1 What s wrong with just adding a new method to the Array class user142019 Apr 25 2011 at 21 22 1 Nothing wrong if it is well documented before usage and if it is clear for all teamworkers fl00r
Ruby How do I delete empty strings in array Stack Overflow
1 Weird it should have raised an error Basically oldergod s block sent strip to s before evaluating whether or not s was nil This should have raised NoMethodError undefined method strip for nil NilClass By reversing the order you can avoid that situation
Use compact blank to remove empty strings from Arrays and Hashes, Ruby provides the compact method to remove nil values from an array and since 2 4 has provided the same compact method for Hash In addition to nil often we re often looking to remove empty strings or other blank objects as well Instead of manually looping through the values of a hash to remove nil s and empty strings
Remove nil and blank string in an array in ruby Ruby SOS
Remove nil and blank string in an array in ruby Ruby SOS, Method 1 Using the compact method The easiest way to remove nil values from an array is by using the compact method This method removes all occurrences of nil from the array and returns a new array without the nil values array 1 nil 3 nil 5 array without nil arraypact puts array without nil inspect
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How to Remove All nil Values From a Ruby Array Designcise
How to Remove All nil Values From a Ruby Array Designcise You can remove all nil values in a Ruby array in the following ways Using Array compact Using Array reject Using Array filter Using Array compact The Array compact method returns a new array with all nil values removed arr 1 2 nil 3 nil 4 5 nil new arr arrpact print new arr 1 2 3 4 5
How To Best Clear A Slice Empty Vs Nil YourBasic Go
9 I have ruby array and it is nil but when I check using nil and blank it returns false a a nil false a empty false How do I check for the nil condition that return true ruby arrays null Share Improve this ion Follow edited Apr 16 2013 at 12 59 Charles Caldwell 16 8k 4 40 47 asked Apr 16 2013 at 12 52 urjit on rails Ruby array checking for nil array Stack Overflow. Returns the last deleted item or nil if no matching item is found If the optional code block is given the result of the block is returned if the item is not found To remove nil elements and get an informative return value use Array compact The answer is simple The line above is nothing but syntactic sugar What s really happening is this result 2 2 You re calling the method on the 2 object and passing the other 2 as an argument So even when expressing such a simple idea Ruby still keeps loyal to its object oriented ideas
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