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What does `:_*` (colon underscore star) do in Scala?
... that application to have type (p1 : T1, . . . , pn : Tn,ps : S, . . . , ps0S)U,
with k ¡ n occurrences of type S where any parameter names beyond ps are
fresh. The only exception to this rule is if the last argument is marked to be
a sequence argument via a _* type annotation. If m abo...
CORS - How do 'preflight' an httprequest?
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monsurmonsur
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Select 50 items from list at random to write to file
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If the list is in random order, you can just take the first 50.
Otherwise, use
import random
random.sample(the_list, 50)
random.sample help text:
sample(self, population, k) method of random.Random instance
Chooses k unique random elements from a population sequence.
Retu...
List files in local git repo?
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edited May 14 '16 at 0:34
Christopher Bottoms
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What is the difference between '>' and a space in CSS selectors?
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A > B will only select B that are direct children to A (that is, there are no other elements ...
Get a list of all the files in a directory (recursive)
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answered Oct 17 '10 at 18:30
Christoph MetzendorfChristoph Metzendorf
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Failed to Attach to Process ID Xcode
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answered Oct 10 '12 at 12:49
Robert ZahmRobert Zahm
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Finding the id of a parent div using Jquery
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answered Feb 13 '09 at 14:10
MarkMark
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What makes Lisp macros so special?
...le syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and 9. Back in the Python 1.5 days there was no such syntax; you'd use something more like this:
divisibleByTwo = []
for x in range( 10 ):
if x % 2 ...
What does it mean for a data structure to be “intrusive”?
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107
An intrusive data structure is one that requires help from the elements it intends to store in ...