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Rails respond_with: how does it work?
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128
Update for Rails 4.2+
#respond_with and ::respond_to (n.b. class method) are no longer a part ...
SQL Developer is returning only the date, not the time. How do I fix this?
...Preferences > Database > NLS and set the Date Format as MM/DD/YYYY HH24:MI:SS
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Empty set literal?
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phoenix
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answered May 25 '11 at 20:20
sepp2ksepp2k
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What is the difference between __init__ and __call__?
...hat:
class Foo:
def __init__(self, a, b, c):
# ...
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self, a, b, c):
# ...
x = Foo()
x(1, 2, 3) # __call__
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...ethods at once. This should give you the result you need:
df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])
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Remove or uninstall library previously added : cocoapods
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327
Since the accepted answer's side effects have been removed by a script written by Kyle Fuller -...
SQL Server loop - how do I loop through a set of records
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221
By using T-SQL and cursors like this :
DECLARE @MyCursor CURSOR;
DECLARE @MyField YourFieldD...
'uint32_t' identifier not found error
...Wikipedia page on the header, it hasn't shipped with Visual Studio until VS2010.
In the meantime, you could probably fake up your own version of the header by adding typedefs that map Microsoft's custom integer types to the types expected by C. For example:
typedef __int32 int32_t;
typedef unsign...
Python dictionary: are keys() and values() always the same order?
...1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
8 Answers
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Semi-transparent color layer over background-image?
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234
Here it is:
.background {
background:url('../img/bg/diagonalnoise.png');
position: re...