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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 ...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
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319
It means the new copy of your application (on your development machine) was signed with a diff...
SVN upgrade working copy
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edited Nov 3 '11 at 8:48
answered Nov 3 '11 at 8:41
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Entity Framework Refresh context?
...n-us/library/system.data.entity.infrastructure.dbentityentry.reload(v=vs.113).aspx#M:System.Data.Entity.Infrastructure.DbEntityEntry.Reload
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Open Sublime Text from Terminal in macOS
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639
I finally got this to work on my OSX box. I used these steps to get it to work:
Test subl fro...
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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Sqlite primary key on multiple columns
...umentation, it's
CREATE TABLE something (
column1,
column2,
column3,
PRIMARY KEY (column1, column2)
);
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Height equal to dynamic width (CSS fluid layout) [duplicate]
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HusseinHussein
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