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Assign pandas dataframe column dtypes
...= pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-05-01
1 b 2 2018-05-02
You can apply these to each column you want to convert:
df["y"] = ...
How to initialize an array in one step using Ruby?
... the other answers above, note also that you can use enumerators in Ruby 1.8.7+ to create arrays; for example:
array = 1.step(17,3).to_a
#=> [1, 4, 7, 10, 13, 16]
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Making a mocked method return an argument that was passed to it
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1038
You can create an Answer in Mockito. Let's assume, we have an interface named Application with a...
xUnit : Assert two List are equal?
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edited May 29 '18 at 15:20
answered Jan 7 '09 at 9:33
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Can I change the viewport meta tag in mobile safari on the fly?
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148
I realize this is a little old, but, yes it can be done. Some javascript to get you started:
vi...
Custom error pages on asp.net MVC3
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edited Apr 28 '11 at 19:34
Leniel Maccaferri
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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148
Yes, Google is notoriously difficult for looking up punctuation and, unfortunately, Perl does se...
load scripts asynchronously
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178
A couple solutions for async loading:
//this function will work cross-browser for loading scrip...
Temporarily disable Eclipse plugin
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Emil Sierżęga
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answered Jun 6 '10 at 4:46
zvikicozvikico
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plot with custom text for x axis points
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unutbuunutbu
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