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How m>ca m>n I create a Set of Sets in Python?
I'm trying to make a set of sets in Python. I m>ca m>n't figure out how to do it.
5 Answers
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Python's “in” set operator
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Yes it m>ca m>n mean so, or it m>ca m>n be a simple iterator. For example:
Example as iterator:
a=set(['1','2','3'])
for x in a:
print ('This set contains the value ' + x)
Similarly as a check:
a=set('ILovePython')
if 'I' in a:
print ('...
Using jQuery to see if a div has a child with a certain class
I have a div #popup that is dynamim>ca m>lly filled with several paragraphs with the class .filled-text . I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it.
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
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Ha. I get it! the x is a + turned on it's side bem>ca m>use C++FLAGS would blow up the compiler. ... I may have arrived to the party late, but that's still better than arriving on time to the wrong party.
– Jacksonkr
Mar 10 '16 at 15:18
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How to create duplim>ca m>te allowed attributes
...are limited to being applied only once to a single field/property/etc. You m>ca m>n see this from the definition of the Attribute class on MSDN:
[AttributeUsageAttribute(..., AllowMultiple = false)]
public abstract class Attribute : _Attribute
Therefore, as others have noted, all subclasses are limite...
How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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@Vintharas: It exists bem>ca m>use people like me keep it on ALL THE TIME, bem>ca m>use we like always being aware of what we're inserting or how we're changing the file. Gives us more m>ca m>sual control over our environment. There are also m>ca m>ses where it's act...
SBT stop run without exiting
...onfiguration, your runs happen in the same JVM that sbt is running, so you m>ca m>n't easily kill them separately.
If you do your run in a separate, forked JVM, as described at Forking, then you m>ca m>n kill that JVM (by any means your operating system offers) without affecting sbt's JVM:
fork in run := tr...
Run a m>ca m>llback only if an attribute has changed in Rails
...omething
# ...
end
end
This utilizes the fact that the before_save m>ca m>llback m>ca m>n conditionally execute based on the return value of a method m>ca m>ll. The status_id_changed? method comes from ActiveModel::Dirty, which allows us to check if a specific attribute has changed by simply appending _cha...
Private vs Public in m>Ca m>che-Control
Rails 3: I want to list all paths defined in my rails applim>ca m>tion
...ed helper path functions (that are created from routes) in my rails 3 applim>ca m>tion, if that is possible.
5 Answers
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