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How do I expand the output display to see more columns of a pandas DataFrame?
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Nowadays options can also be set as assignments to attributes of pd.options, e.g. pd.options.display.max_rows = 999
– unutbu
Jun 7 '15 at 0:19
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What is array to pointer decay?
... has decayed to be assigned to the parameter.
1 The constant U should be known at compile-time.
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iTextSharp - Sending in-memory pdf in an email attachment
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I am working on it right now and let you know shortly. Thanks!
– Gus Cavalcanti
Jul 28 '09 at 20:28
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Transpose list of lists
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list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of arguments each of which must be iterable. E.g. zip([1, 2], [3, 4], [5, 6]).
Unpacked argument lists: Giv...
How Do I Fetch All Old Items on an RSS Feed?
... like this talked about as an extension to the ATOM protocol, but I don't know if it is actually implemented anywhere.
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Why not use Double or Float to represent currency?
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Of course if you know the precision, you can always round the result and thus avoid the whole issue. This is much faster and simpler than using BigDecimal. Another alternative is to use fixed precision int or long.
– Pe...
Why is the asterisk before the variable name, rather than after the type?
...* c * d
* e * f * g;
Here *e would be misleading, wouldn't it?
Okay, now what does the following line actually mean:
int *a;
Most people would say:
It means that a is a pointer to an int value.
This is technically correct, most people like to see/read it that way and that is the way how m...
Why can't enum's constructor access static fields?
...kind of a phantom method (can't see the source in Enum.class) and i don't know when its created
– Chirlo
Oct 13 '12 at 13:51
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When do I need to use AtomicBoolean in Java?
... @Bozho - reads and writes to boolean fields are atomic right?, Now, volatile gives me the latest value of the boolean field. So, effectively, wouldn't volatile boolean be same as AtomicBoolean?.
– TheLostMind
Jul 30 '14 at 14:29
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What is the closest thing Windows has to fork()?
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I certainly don't know the details on this because I've never done it it, but the native NT API has a capability to fork a process (the POSIX subsystem on Windows needs this capability - I'm not sure if the POSIX subsystem is even supported any...