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[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
Map functions can be and often are defined in terms of a fold such as foldr, which means one can do a map-fold fusion: foldr f z . map g is equivalent to foldr (f . g) z . The implementation of map above on singly linked lists is not tail-recursive , so it may build up a lot of frames on the stack when called with a large list.
The user can search for elements in an associative array, and delete elements from the array. The following shows how multi-dimensional associative arrays can be simulated in standard AWK using concatenation and the built-in string-separator variable SUBSEP:
This is the case for tree-based implementations, one representative being the <map> container of C++. [16] The order of enumeration is key-independent and is instead based on the order of insertion. This is the case for the "ordered dictionary" in .NET Framework, the LinkedHashMap of Java and Python. [17] [18] [19] The latter is more common.
Topeng dance (Banten, Jakarta, West Java, Central Java, Yogyakarta, East Java, East Kalimantan, South Kalimantan and Bali), a type of dramatic form of dance in which one or more mask-wearing, ornately costumed performers interpret traditional narratives concerning fabled kings, heroes and myths, accompanied by gamelan music. This dance ...
The idea of DLX is based on the observation that in a circular doubly linked list of nodes, x.left.right ← x.right; x.right.left ← x.left; will remove node x from the list, while x.left.right ← x; x.right.left ← x; will restore x's position in the list, assuming that x.right and x.left have been left unmodified. This works regardless of ...
In a hospital-set snippet, one woman asked her husband to dance to distract her from labor contractions. “I knew that it was going to go crazy on TikTok — it hit all the boxes,” Hackman says.
Javanese dance movement is controlled, deliberate, and refined. Javanese art often displays finesse, and, at the same time, a serene composure which is elevated far above everything mundane. [1] Javanese dance is usually associated with courtly, refined, and sophisticated culture of the Javanese kratons, such as the bedhaya and srimpi dance.