I\'m looking for a database with good support for set operati开发者_如何学编程ons (more specifically: unions).
I have three sets: s0 = [set([16,9,2,10]), set([16,14,22,15]), set([14,7])]# true, 16 and 14 s1 = [set([16,9,2,10]), set([16,14,22,15]), set([7,8])]# false
According to the Ruby Set class\'s documentation, \"== Returns true if two sets are equal. The equality of each couple of elements is defined according to Object#eql?.
This question already has answers here: Deleting elements from std::set while iterating (8 answers) Closed 3 years ago.
The question arose when answering to another SO question (there). When I iterate several times over a python set (without changing it between calls), can I assume it will always r开发者_StackOverflow
I would like to iterate over a Set and remove the elements from the set that match some condition. The documentation of iterator says nothing about modifying the list while iterating over it.
Having trouble finding a code page or other single byte encoding having accents in these positions: grave in xC1acute i开发者_JAVA技巧n xC2 cedilla in xD0I can\'t think of any encoding that meets tho
This question already has answers here: Closed 12 years ago. Possible Duplicate: remove_if equivalent for std::map
I\'m looki开发者_如何学Gong for a technique or algorithm that will give me a subset of integers from a given set that, when summed, most closely match a given target number.
The parameters are thus: I have a table called Tasks with columns ID (primary key) and label (text). I have another table called Locations with a foreign key referencing Tasks\' ID and a name for a