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How can I create a Set of Sets in Python?
... answered May 9 '11 at 0:18
a3nma3nm
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Turn off CSRF token in rails 3
...that I see here in stackoverflow but it seems they no longer work on rails 3.
3 Answers
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Build vs new in Rails 3
In the Rails 3 docs , the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
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Static variables in member functions
...e of i will remain through out the program. To add an example:
A o1, o2, o3;
o1.foo(); // i = 1
o2.foo(); // i = 2
o3.foo(); // i = 3
o1.foo(); // i = 4
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in_array multiple values
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answered Sep 24 '11 at 23:51
Mark ElliotMark Elliot
65.9k1818 gold badges132132 silver badges155155 bronze badges
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filter items in a python dictionary where keys contain a specific string
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183
How about a dict comprehension:
filtered_dict = {k:v for k,v in d.iteritems() if filter_string ...
Take the content of a list and append it to another list
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379
You probably want
list2.extend(list1)
instead of
list2.append(list1)
Here's the differen...
Pandas get topmost n records within each group
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3 Answers
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How to remove last n characters from every element in the R vector
...rame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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