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What are the differences between concepts and template constraints?
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5
It should be noted that concepts-lite doesn't check the constraints against the implementation of the template itself. So you could claim th...
How to easily initialize a list of Tuples?
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305
c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow"),
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Rspec: “array.should == another_array” but without concern for order
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265
Try array.should =~ another_array
The best documentation on this I can find is the code itself,...
How to access the ith column of a NumPy multidimensional array?
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>>> test[:,0]
array([1, 3, 5])
Similarly,
>>> test[1,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker than a...
How can I represent an infinite number in Python?
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In Python, you can do:
test = float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a number").
Additionally (Python 2.x...
How do I get the day of week given a date?
...;>> datetime.datetime.today()
datetime.datetime(2012, 3, 23, 23, 24, 55, 173504)
>>> datetime.datetime.today().weekday()
4
From the documentation:
Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
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Web scraping with Python [closed]
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edited Jan 22 '16 at 8:51
lesmana
21.4k88 gold badges7171 silver badges8282 bronze badges
answered Ja...
Hidden Features of JavaScript? [closed]
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community wiki
5 revs, 4 users 68%Mark Cidade
117
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Canvas width and height in HTML5
Is it possible to fix the width and height of an HTML5 canvas element?
4 Answers
4
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...tInt()).par
scala> timeMany(1000, intParList.reduce(_ + _))
Took 462.395867 milli seconds
scala> timeMany(1000, intParList.foldLeft(0)(_ + _))
Took 2589.363031 milli seconds
reduce vs fold
Now this is where it gets a little closer to the FP / mathematical roots, and a little trickier to e...