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remove particular key from array
remove particular key from array

21 Apr 2015 The first thing you have, is a simple list of values into a JSON array. the operator is telling MongoDB to update one specific entry in the array. Using the same operator you can also remove a line order (item) from an 1 Jan 2009 These more complex data types include arrays, ranges, and hashes. To remove an item from the beginning of the array, use shift a 1, 2, 3, 25 Oct 2013 Ruby hashes function as associative arrays where keys are not limited to integers. If you want to remove a key-pair from a hash, you can use delete . arguments in a specific order or pass any particular arguments at all. Returns a lazy sequence of the items in coll for which (pred item) returns false. pred must be free of side-effects. Returns a transducer when no collection is The array splice() function removes selected elements from an array and replaces it with new elements. Note The keys in the replaced array are not preserved. If this value is not set, the function will remove all elements, starting from the 19 Feb 2012 I have an array of dictionaries (buildingsArray) populated from a plist. I have the name of a specific building returned to my current view