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How many double numbers are there between 0.0 and 1.0?
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Java doubles are in IEEE-754 format, therefore they have a 52-bit fraction; between any two adjacent powers of two (inclusive of one and exclusive of the next one), there will therefore be 2 to the 52th power different doubles (i.e., 4503599627370496 ...
how do I work around log4net keeping changing publickeytoken
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65
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This is ...
Why modelVersion of pom.xml is necessary and always set to 4.0.0?
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edited May 22 at 18:54
Dinei
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answered Nov ...
From ND to 1D arrays
... np.ndarray.flat (for an 1D iterator):
In [12]: a = np.array([[1,2,3], [4,5,6]])
In [13]: b = a.ravel()
In [14]: b
Out[14]: array([1, 2, 3, 4, 5, 6])
Note that ravel() returns a view of a when possible. So modifying b also modifies a. ravel() returns a view when the 1D elements are contiguous i...
leading zeros in rails
...ght justified and padded with padstr; otherwise, returns str.
some_int = 5
some_int.to_s.rjust(2, '0') # => '05'
some_int.to_s.rjust(5, '0') # => '00005'
another_int = 150
another_int.to_s.rjust(2, '0') # => '150'
another_int.to_s.rjust(3, '0') # => '150'
another_int.to_s.rjust(5, '...
MySQL IF NOT NULL, then display 1, else display 0
... ypercubeᵀᴹypercubeᵀᴹ
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List of zeros in python [duplicate]
...ut:
>>> zerolistmaker(4)
[0, 0, 0, 0]
>>> zerolistmaker(5)
[0, 0, 0, 0, 0]
>>> zerolistmaker(15)
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
>>>
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How to add a new row to an empty numpy array
...append(arr, np.array([[1,2,3]]), axis=0)
arr = np.append(arr, np.array([[4,5,6]]), axis=0)
But, @jonrsharpe is right. In fact, if you're going to be appending in a loop, it would be much faster to append to a list as in your first example, then convert to a numpy array at the end, since you're re...
Merge Images Side by Side(Horizontally)
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What is IP address '::1'?
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::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1.
See http:/...