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What is the formal difference in Scala between braces and parentheses, and when should they be used?
... if, and only if, the method expects a single parameter. For example:
List(1, 2, 3).reduceLeft{_ + _} // valid, single Function2[Int,Int] parameter
List{1, 2, 3}.reduceLeft(_ + _) // invalid, A* vararg parameter
However, there’s more you need to know to better grasp these rules.
Increased compil...
HTTP handler vs HTTP module
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318
HttpHandler is where the request train is headed. HttpModule is a station along the way.
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Reading binary file and looping over each byte
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12 Answers
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
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edited Jan 5 '18 at 6:20
Bhuwan
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How to Vertical align elements in a div?
I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other.
29 ...
Join a list of items with different types as string in Python
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551
Calling str(...) is the Pythonic way to convert something to a string.
You might want to consid...
How to convert an integer to a string in any base?
...ng.ascii_letters
def int2base(x, base):
if x < 0:
sign = -1
elif x == 0:
return digs[0]
else:
sign = 1
x *= sign
digits = []
while x:
digits.append(digs[int(x % base)])
x = int(x / base)
if sign < 0:
digits.append...
JavaScript equivalent to printf/String.Format
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Writing a Python list of lists to a csv file
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10 Answers
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