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Define a lambda expression that raises an Exception
... however allow you to conditionally raise exceptions, e.g.:
y = lambda x: 2*x if x < 10 else raise_(Exception('foobar'))
Alternatively you can raise an exception without defining a named function. All you need is a strong stomach (and 2.x for the given code):
type(lambda:0)(type((lambda:0)....
How to hide action bar before activity is created, and then show it again?
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27 Answers
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Is it possible to use argsort in descending order?
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235
If you negate an array, the lowest elements become the highest elements and vice-versa. There...
Check if OneToOneField is None in Django
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To check if the (OneToOne) relation exists or not, you can use the hasattr function:
if hasattr...
How to set layout_weight attribute dynamically from code?
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edited Feb 27 '17 at 13:08
David
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Get exception description and stack trace which caused an exception, all as a string
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ianace
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answered Dec 30 '10 at 17:05
kindallkindall
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R programming: How do I get Euler's number?
For example, how would I go about entering the value e^2 in R?
3 Answers
3
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Getting the first character of a string with $str[0]
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Alexis Wilke
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answered Dec 28 '09 at 23:31
HockHock
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