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How to add an extra column to a NumPy array
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np.r_[ ... ] and np.c_[ ... ]
are useful alternatives to vstack and hstack,
with square brackets [] instead of round ().
A couple of examples:
: import numpy as np
: N = 3
: A = np.eye(N)
: np.c_[ A, np.ones(N) ] #...
Best practices to handle routes for STI subclasses in rails
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answered Feb 23 '11 at 7:32
JamesJames
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SQL Server loop - how do I loop through a set of records
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32
Small change to sam yi's answer (for better readability):
select top 1000 TableID
into #Contro...
static constructors in C++? I need to initialize private static objects
...t ordinary class.
class StaticStuff
{
std::vector<char> letters_;
public:
StaticStuff()
{
for (char c = 'a'; c <= 'z'; c++)
letters_.push_back(c);
}
// provide some way to get at letters_
};
class Elsewhere
{
static StaticStuff staticSt...
What exactly is Hot Module Replacement in Webpack?
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samuelj90samuelj90
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2
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Reducing memory usage of .NET applications?
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answered Oct 28 '09 at 9:32
Robert GieseckeRobert Giesecke
4,1781818 silver badges2222 bronze badges
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Singular or plural controller and helper names in Rails
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RyanRyan
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add a comment
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jQuery OR Selector?
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answered Dec 12 '13 at 16:32
Ken DickinsonKen Dickinson
39522 silver badges77 bronze badges
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How to set variables in HIVE scripts
I'm looking for the SQL equivalent of SET varname = value in Hive QL
9 Answers
9
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Check if a number is int or float
...>> if isinstance(x, int):
print 'x is a int!'
x is a int!
_EDIT:_
As pointed out, in case of long integers, the above won't work. So you need to do:
>>> x = 12L
>>> import numbers
>>> isinstance(x, numbers.Integral)
True
>>> isinstance(x, int)
F...