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Selecting a row of pandas series/dataframe by integer index
...access to the pandas table, one can also consider numpy.as_array option to convert the table to Numpy array as
np_df = df.as_matrix()
and then
np_df[i]
would work.
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Operator overloading : member function vs. non-member function?
...one parameter and the other parameter passed automatically is the this pointer. So no standard exists to compare them. On the other hand, overloaded operator declared as a friend is symmetric because we pass two arguments of the same type and hence, they can be compared.
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Play audio with Python
...k like it can play .mp3 files without external libraries. You could either convert your .mp3 file to a .wav or other format, or use a library like PyMedia.
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Python datetime to string without microsecond component
...er answer says "take the current time, set the microseconds to 0, and then convert it to a string somehow".
– Sven Marnach
Jan 14 '14 at 14:41
3
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Find intersection of two nested lists?
...(set.intersection, it, set(next(it, []))). Both version doesn't require to convert all input lists to set. The latter is more memory efficient.
– jfs
Dec 5 '12 at 6:41
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How to view UTF-8 Characters in VIM or Gvim
...t fileencoding=utf8 option so you won't run into the most confusing "Can't convert some character" error when saving.
– Maxim Sloyko
Mar 4 '11 at 12:21
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What is the difference between 127.0.0.1 and localhost
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Well, by IP is faster.
Basically, when you call by server name, it is converted to original IP.
But it would be difficult to memorize an IP, for this reason the domain name was created.
Personally I use http://localhost instead of http://127.0.0.1 or http://username.
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u'\ufeff' in Python string
... character to continue. Although, since the error says you were trying to convert to 'ascii', you should probably pick another encoding for whatever you were trying to do.
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SQL - HAVING vs. WHERE
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it's not a good example as you could convert : ` WHERE companyId = 884501253109 GROUP BY country, city HAVING country = 'MX' ` to: ` WHERE companyId = 884501253109, country = 'MX' GROUP BY city `
– Etienne Herlaut
Nov 8 '...
How to do SQL Like % in Linq?
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StartsWith("abc") gets converted into LIKE 'abc%' and EndsWith("abc") is cnoverted to LIKE '%abc'
– Simon_Weaver
Aug 9 '13 at 4:37
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