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How do I create a class instance from a string name in ruby?
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In rails you can just do:
clazz = 'ExampleClass'.constantize
In pure ruby:
clazz = Object.const_get('ExampleClass')
with modules:
module Foo
class Bar
end
end
you would use
> clazz = 'Foo::Bar'.split('::').inject(Object) {|o,c| o.const_ge...
how do I insert a column at a specific column index in pandas?
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answered Sep 7 '13 at 15:32
JeffJeff
100k1717 gold badges187187 silv...
How to find the installed pandas version
...dev-a738b4f
IPython: 2.0.0-dev
sphinx: 1.2.2
patsy: 0.3.0
dateutil: 1.5
pytz: 2012c
bottleneck: None
tables: 3.1.1
numexpr: 2.2.2
matplotlib: 1.4.2
openpyxl: None
xlrd: 0.9.3
xlwt: 0.7.5
xlsxwriter: None
lxml: 3.3.3
bs4: 4.3.2
html5lib: 0.999
httplib2: 0.8
apiclient: None
rpy2: 2.5.5
sqlalchemy: 0.9...
How can I catch a ctrl-c event?
...selen
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answered Oct 29 '09 at 1:55
Gab RoyerGab Royer
8,70677 gold badges36...
int value under 10 convert to string two digit number
...chard
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How to programmatically show next view in ViewPager?
... edited Feb 17 '14 at 21:27
yprez
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answered Nov 12 '11 at 9:26
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csv.Error: iterator should return strings, not bytes
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139k3737 gold badges203203 silver badges239239 bronze badges
4
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function declaration isn't a prototype
... heinrich5991
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answered Sep 6 '08 at 17:58
PramodPramod
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MySQL/SQL: Group by date only on a Datetime column
...rlos P
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answered Dec 14 '08 at 14:50
Michael HarenMichael Haren
93.9k3939 go...
How do I get the function name inside a function in PHP?
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answered Jun 17 '09 at 10:33
SilfverstromSilfverstrom
23.1k66 gold b...