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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...has an entry discussing why casting the return from malloc is never needed and potentially bad.
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How can I build multiple submit buttons django form?
I have form with one input for email and two submit buttons to subscribe and unsubscribe from newsletter:
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Associativity of “in” in Python?
I'm making a Python parser, and this is really confusing me:
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How can you get the SSH return code using Paramiko?
Is there any way to get the command return code?
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How do you get the magnitude of a vector in Numpy?
...order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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I had to change it for a bunch of columns and this doesn't require specifying the column type for each column, much better!
– Dorian
Jan 8 '15 at 12:19
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Joda-Time: what's the difference between Period, Interval and Duration?
... are defined e.g. this might be the interval between 20:00:00GMT yesterday and 09:00:00GMT this morning.
A duration in Joda-Time represents a duration of time measured in milliseconds. The duration is often obtained from an interval. i.e. we can subtract start from end of an interval to derive a du...
View.setPadding accepts only in px, is there anyway to setPadding in dp?
Android function View.setPadding(int left, int top, int right, int bottom) only accepts values in px but I want to set padding in dp. Is there any way around it?
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Escape regex special characters in a Python string
...o write ([\"]) as a plain string, you'd need to
double all the backslashes and write '([\\"])'. Raw strings are friendlier when
you're writing regular expressions.
In the substitution pattern, you need to escape \ to distinguish it from a
backslash that precedes a substitution group, e.g. \1, hence ...
Difference between local and global indexes in DynamoDB
I'm curious about these two secondary indexes and differences between them. It is hard to imagine how this looks like. And I think, this will help more people than just me.
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