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Pythonic way to check if a list is sorted or not
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Actually we are not giving the answer anijhaw is looking for. Here is the one liner:
all(l[i] <= l[i+1] for i in xrange(len(l)-1))
For Python 3:
all(l[i] <= l[i+1] for i in range(len(l)-1))
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How to collapse all methods in Xcode?
How to collapse all methods in a class in Xcode?
4 Answers
4
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Uninstall all installed gems, in OSX?
There are instances where I would like to revert and uninstall all previous gem installations.
13 Answers
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Finding ALL duplicate rows, including “elements with smaller subscripts”
...ch element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection.
21 Answers
21
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How does a Breadth-First Search work when looking for Shortest Path?
I've done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain...
How can I catch all the exceptions that will be thrown through reading and writing a file?
In Java, is there any way to get(catch) all exceptions instead of catch the exception individually?
7 Answers
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remove all variables except functions
I have loaded in a R console different type of objects.
I can remove them all using
5 Answers
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...rst time you iterate over it. For example, this will print the headline of all entries in the database:
for e in Entry.objects.all():
print e.headline
So your ten million rows are retrieved, all at once, when you first enter that loop and get the iterating form of the queryset. The wait ...
Most tricky/useful commands for gdb debugger [closed]
...e breakpoint
where: Line number currently being executed
info locals: View all local variables
info args: View all function arguments
list: view source
rbreak: break on function matching regular expression
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