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Test if lists share any items in python
...ection method have to allocate new memory for the intermediary variables:
from timeit import timeit
>>> timeit('bool(set(a) & set(b))', setup="a=list(range(1000));b=list(range(1000))", number=100000)
26.077727576019242
>>> timeit('any(i in a for i in b)', setup="a=list(range(1...
How to copy a file to a remote server in Python using SCP or SSH?
... first if you're not using a with block), so you know it's flushed to disk from Python.
You need to generate (on the source machine) and install (on the destination machine) an ssh key beforehand so that the scp automatically gets authenticated with your public ssh key (in other words, so your scri...
How to know user has clicked “X” or the “Close” button?
...nder these circumstances, we don't need, according to me, to differentiate from either buttons.
Closing by ALT+F4 will also trigger the FormClosing() event, as it sends a message to the Form that says to close. You may cancel the event by setting the
FormClosingEventArgs.Cancel = true.
In our ...
Difference between using Throwable and Exception in a try catch
... Throwable and instances of Throwable itself. There's nothing stopping you from writing throw new Throwable();, so it is the only way to truely catch everything.
– Antimony
Mar 21 '16 at 0:50
...
What's the meaning of interface{}?
...there's nothing mysterious about it but it's very easy to abuse. Stay away from it as much as you can.
https://play.golang.org/p/A-vwTddWJ7G
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Implementing slicing in __getitem__
...:
if isinstance( key, slice ) :
#Get the start, stop, and step from the slice
return [self[ii] for ii in xrange(*key.indices(len(self)))]
elif isinstance( key, int ) :
if key < 0 : #Handle negative indices
key += len( self )
if key < 0 or key...
Is there a list of Pytz Timezones?
... called America/New_York.
If you programatically want to create this list from the zoneinfo database you can compile it from the zone.tab file in the zoneinfo database. I don't think pytz has an API to get them, and I also don't think it would be very useful.
...
proper name for python * operator?
...
In Ruby and Perl 6 this has been called "splat", and I think most people from those communities will figure out what you mean if you call it that.
The Python tutorial uses the phrase "unpacking argument lists", which is long and descriptive. I haven't heard any other particular name for it in Py...
What are type lambdas in Scala and what are their benefits?
...icated type lambdas that are a pain to write out inline. Here's an example from my code from today:
// types X and E are defined in an enclosing scope
private[iteratee] class FG[F[_[_], _], G[_]] {
type FGA[A] = F[G, A]
type IterateeM[A] = IterateeT[X, E, FGA, A]
}
This class exists exclusiv...
Find the min/max element of an Array in JavaScript
...
jsperf.com/array-min-max-random/1 starting from 60 elements Math methods are breaking equal with while cycles, if array size is greater than 60, than Math methods wins. Larger the array - greater the Math methods overtake. ( for 100 elems Math.min/max is 10% faster, f...