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How to get the name of a function in Go?
...single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value."
– jochen
Apr 14 '15 at 15:56
1
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How do I create a Python function with optional arguments?
... *args, **kwargs):
for ar in args:
print ar
myfunc(a,b,c,d,e,f)
And it will print values of c,d,e,f
Similarly you could use the kwargs argument and then you could name your parameters.
def myfunc(a,b, *args, **kwargs):
c = kwargs.get('c', None)
d = kwargs.get('d', None)
...
How can I add items to an empty set in python
...>>> type(D)
<type 'set'>
What you've made is a dictionary and not a Set.
The update method in dictionary is used to update the new dictionary from a previous one, like so,
>>> abc = {1: 2}
>>> d.update(abc)
>>> d
{1: 2}
Whereas in sets, it is used to a...
How can I convert a DOM element to a jQuery element?
...
What about the reverse? You have a jquery element and want to convert it to a dom element?
– Ryan Sampson
Apr 1 '10 at 20:50
2
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Finding Number of Cores in Java
...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source
– JW.
Jun 16 '12 at 9:38
...
How do I use Nant/Ant naming patterns?
...(there are no .c files in the current directory)
src/*.c matches 2 and 3
*/*.c matches 2 and 3 (because * only matches one level)
**/*.c matches 2, 3, and 4 (because ** matches any number of levels)
bar.* matches 1
**/bar.* matches 1 and 2
**/b...
Rails migrations: self.up and self.down versus change
Looks like the new rails version has "change" versus self.up and self.down methods.
3 Answers
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NameError: name 'reduce' is not defined in Python
...
The previous user has already answered the question and the answer is same as that of his answer
– Kathiravan Natarajan
Jul 24 '17 at 1:28
add a comment...
Specifying colClasses in the read.csv
... one can probably use the following to read the first line of the csv and determine how many columns there are. scan(csv,sep=',', what="character" , nlines=1 )
– defoo
May 10 '10 at 19:53
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What is a .pid file and what does it contain?
I recently come across a file with the extension .pid and explored inside it but didn't find much. The documentation says:
...