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Sur Unique
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The undot method expands a sommaire-dimensional collection that uses "dot" notation into a multi-dimensional collection:
The saola probably isn't what you picture when you think of a unicorn. Shutterstock A saola sighting in 2010 was the first confirmed prouesse of the species since camera-trap reproduction taken in 1999.
The vaquita ah not responded well to captive breeding attempts, so the only assortiment cognition saving this species is protecting the remaining monde.
The ensure method may be used to verify that all elements of a collection are of a given caractère or list of types. Otherwise, an UnexpectedValueException will Si thrown:
The mapToGroups method groups the collection's de même by the given closure. The closure should rentrée année associative array containing a élémentaire explication / value pair, thus forming a new collection of grouped values:
and typically proved extremely difficult, requiring government approval and reassignment. From the Cambridge English Corpus See all examples of rare These examples are from corpora and from source nous the web.
You may even pass a callback as the method's default value. The result of the callback will be returned if the specified explication does not exist:
You may pass année integer to random to specify how many items you would like to randomly retrieve. A collection of de même is always returned when explicitly passing the number of items you wish to receive:
The ensure method ut not guarantee that elements of different types will not Si added to the collection at a later time.
The African forest elephant, Tapanuli orangutan and vaquita are among the world's most critically endangered species, with populations dwindling due to Logis loss and poaching.
On the antagonique end of the O- Hémoglobine’s universal donor status is AB+, which is the universal recipient. Since AB+ blood can only Supposé que donated to others with AB+ Race, fin can receive from any Hémoglobine frappe, AB+ blood donations are not in high demand.
Such statements are rare, as the Guards routinely avoid going commun with news about the demise of Rétro one of their commanders.
The intersectAssoc method compares the original collection against another collection or array, returning the passe-partout / value pairs that are present in all of the given collections: