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How do I validate a date string format in python?
... line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
ValueError: Incorrect data format, should be YYYY-MM-DD
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What is the best django model field to use to represent a US dollar amount?
... edited Jun 3 '19 at 17:02
user8193706
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answered Jul 16 '09 at 18:29
simpl...
Listing only directories using ls in Bash?
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Gordon DavissonGordon Davisson
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What is Prism for WPF?
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OMGtechy
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answered Jun 8 '11 at 1:43
Reed CopseyReed Cops...
How do I create a class instance from a string name in ruby?
...t c}
=> Foo::Bar
> clazz.new
=> #<Foo::Bar:0x0000010110a4f8>
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What is the _snowman param in Ruby on Rails 3 forms for?
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308
This parameter was added to forms in order to force Internet Explorer (5, 6, 7 and 8) to encode ...
What are the correct link options to use std::thread in GCC under linux?
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Earth Engine
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answered Dec 27 '11 at 22:24
hmjdhmjd
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Apply pandas function to column to create multiple new columns?
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Building off of user1827356 's answer, you can do the assignment in one pass using df.merge:
df.merge(df.textcol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 featur...
How to serialize a lambda?
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Java 8 introduces the possibility to cast an object to an intersection of types by adding multiple bounds. In the case of serialization, it is therefore possible to write:
Runnable r = (Runnable & Serializable)() -> System...
Does Internet Explorer 8 support HTML 5?
Is there any HTML5 support in IE8? Is it on the IE8 roadmap?
13 Answers
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