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Can a C++ enum class have methods?
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πάντα ῥεῖπάντα ῥεῖ
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Mod of negative number is melting my brain
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81
Please note that C# and C++'s % operator is actually NOT a modulo, it's remainder. The formula ...
What is the purpose of the word 'self'?
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81
I like this example:
class A:
foo = []
a, b = A(), A()
a.foo.append(5)
b.foo
ans: [5]
cl...
HTTP URL Address Encoding in Java
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81
I'm going to add one suggestion here aimed at Android users. You can do this which avoids havi...
What is the most efficient way of finding all the factors of a number in Python?
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Will Ness
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answered Aug 2 '11 at 8:57
stevehasteveha
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PHP: Move associative array element to beginning of array
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Eugene KaurovEugene Kaurov
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How to RedirectToAction in ASP.NET MVC without losing request data
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81
The solution is to use the TempData property to store the desired Request components.
For inst...
How to create a new java.io.File in memory?
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81
How can I create new File (from java.io) in memory , not in the hard disk?
Maybe you are c...
How to create ENUM type in SQLite?
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81
There is no enum type in SQLite, only the following:
NULL
INTEGER
REAL
TEXT
BLOB
Source: ht...
Getting distance between two points based on latitude/longitude
...on1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
print("Should be:", 278.546, "km")
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