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Get the cartesian product of a series of lists?
How can I get the Cartesian product (every possible combination of values) from a group of lists?
13 Answers
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About catching ANY exception
...? Unless you re-raise the exception right away - see the following example from the docs:
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not ...
In Python, what happens when you import inside of a function? [duplicate]
...there is a name clash or other reason you don't want the module or symbols from the module available everywhere, you may only want to import it in a specific function. (Of course, there's always from my_module import my_function as f for those cases.)
In general practice, it's probably not that ben...
node.js require all files in a folder?
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require is a synchronous function so there is no benefits from callback. I would use fs.readdirSync instead.
– Rafał Sobota
Jan 10 '12 at 22:35
4
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How do I clear the std::queue efficiently?
...).
In one scenario, I want to clear the queue in one shot( delete all jobs from the queue).
I don't see any clear method available in std::queue class.
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How to count number of files in each directory?
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Its just a slighly different version from the above, so: ( hint: its sorted by name and its in csv) for x in find . -maxdepth 1 -type d | sort; do y=find $x | wc -l; echo $x,$y; done
– pcarvalho
May 11 '13 at 17:25
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when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
...s seem to much to me and cause trouble. You have to create the AlertDialog from the AlertDialog.Builder!
– philipp
Mar 7 '12 at 8:33
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A 'for' loop to iterate over an enum in Java
... "better", although it describes enum values better in my opinion, because from set's definition, values in set cannot be repeated (like in enum), whereas values in array can be.
– Jezor
Sep 8 '16 at 13:56
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Using R to list all files with a specified extension
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If dot means dot from file extension it won't work. Dot match single character in regular expression.
– Marek
Feb 2 '11 at 16:28
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how to remove untracked files in Git?
I'm working on a branch, say "experimental" branch which I branch out from my master branch.Then, I generate a user model in experimental branch, but does not add them to index yet.
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