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Python list subtraction operation
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346
Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - inf...
How to sort a dataframe by multiple column(s)
...f the example(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
Edit some 2+ years later: It was just asked how to do this by column index. The answer is to simply pass the desired sorting column(s) to the order() function:
R> dd[orde...
How to create EditText with cross(x) button at end of it?
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edited Aug 16 '13 at 16:48
lmaooooo
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answered Ju...
How to reset AUTO_INCREMENT in MySQL?
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24 Answers
24
Active
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Decode HTML entities in Python string?
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546
Python 3.4+
Use html.unescape():
import html
print(html.unescape('£682m'))
FYI ht...
Html helper for
... SteveC
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answered Aug 23 '11 at 15:42
Paulius ZaliaduonisPaulius Zaliaduonis
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How can I add a hint text to WPF textbox?
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14 Answers
14
Active
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Is it safe to parse a /proc/ file?
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+400
In general, no. (So most of the answers here are wrong.) It might be safe, depending on what property you want. But it's easy to end...
Join a list of items with different types as string in Python
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edited Jun 4 at 5:11
B. Willems
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answered Aug 28 '10 at 9:09
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