You have four main options for converting types in pandas: to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetim... Read More
Don't use CREATE TYPE to return a polymorphic result. Use and abuse the RECORD type instead. Check it out: CREATE FUNCTION test_ret(a TEXT, b TEXT) RETURNS RECORD AS $$ DECLARE ret RECORD; BEGIN... Read More
Copied directly from http://www.lighthouse3d.com/tutorials/glsl-tutorial/data-types-and-variables/. The actual site has much more detailed information and would be worthwhile to check out. Variable... Read More
The proper way to determine the "type" of an object, which is a wobbly term in the Ruby world, is to call object.class. Since classes can inherit from other classes, if you want to determine if an ob... Read More
The inline keyword indicates that a function definition should be inserted inline into any code which uses it. Most of the time, this will not have any effect on the type of the function. However, in... Read More
Python 3.5 introduced the typing module. Included therein is typing.Pattern, a _TypeAlias. Starting with Python 3.6, you can simply do: from typing import Pattern my_re = re.compile('foo') assert is... Read More
Angus Croll recently wrote an interesting blog post about this - http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/ He goes through the pros and cons of the vario... Read More
It doesn't. There's a vague equivalent: mycol VARCHAR(10) NOT NULL CHECK (mycol IN('Useful', 'Useless', 'Unknown'))... Read More
It's defined in stddef.h. That header defines the integral types size_t, ptrdiff_t, and wchar_t, the functional macro offsetof, and the constant macro NULL.... Read More
if type(x) is list: print 'a list' elif type(x) is tuple: print 'a tuple' else: print 'neither a tuple or a list'... Read More