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Python Requests - No connection adapters
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answered Feb 27 '13 at 15:01
Martijn Pieters♦Martijn Pieters
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MySQL/SQL: Group by date only on a Datetime column
...GROUP BY DATE(a_table.mydate);
Or you can GROUP BY the alias as @orlandu63 suggested:
SELECT SUM(foo), DATE(mydate) DateOnly FROM a_table GROUP BY DateOnly;
Though I don't think it'll make any difference to performance, it is a little clearer.
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What's the difference between Unicode and UTF-8? [duplicate]
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edited Oct 12 '12 at 23:38
hannson
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Run an OLS regression with Pandas Data Frame
... statsmodels.formula.api as sm
>>> df = pd.DataFrame({"A": [10,20,30,40,50], "B": [20, 30, 10, 40, 50], "C": [32, 234, 23, 23, 42523]})
>>> result = sm.ols(formula="A ~ B + C", data=df).fit()
>>> print(result.params)
Intercept 14.952480
B 0.401182
C ...
Under what conditions is a JSESSIONID created?
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JSESSIONID cookie is created/sent when session is created. Session is created when your code c...
Why does make think the target is up to date?
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edited May 30 '12 at 6:43
answered Oct 14 '10 at 9:30
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Calculating a directory's size using Python?
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34 Answers
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initialize a vector to zeros C++/C++11
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You don't need to explicitly state the 0 do you? just vector(length) should work?
– Daniel Gratzer
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How can I check if a key exists in a dictionary? [duplicate]
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3 Answers
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "long" message (this is wh...