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How can I define a composite primary key in SQL?
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edited Jul 12 '09 at 15:48
answered Jul 10 '09 at 15:46
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Doing something before program exit
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answered Oct 3 '10 at 15:04
Brent Writes CodeBrent Writes Code
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In Java, are enum types inside a class static?
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45
It wouldn't make sense to make an instance-level (non-static) inner enum class - if the enum in...
What does the forward slash mean in the CSS font shorthand?
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BoltClock♦BoltClock
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iTerm2: How to expand split pane temporarily?
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edited May 24 '16 at 10:29
thefourtheye
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A list of indices in MongoDB?
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145
From the shell:
db.test.getIndexes()
For shell help you should try:
help;
db.help();
db.tes...
SQL Server: converting UniqueIdentifier to string in a case statement
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4 Answers
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Active
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Assign pandas dataframe column dtypes
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1 b 2 2018-05-02
df.dtypes
x object
y int64
z datetime64[ns]
dtype: object
and confirm the dtype is updated.
OLD/DEPRECATED ANSWER for pandas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In [...
How do I declare and assign a variable on a single line in SQL
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answered Aug 19 '10 at 19:40
OdedOded
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How can I change a secret Gist to public?
...he gist to public, but I can't find how to set it publi
Since May, 9th 2014, it is possible: "Change the visibility of your Gists"
You can change the visibility of your Gists whenever you want.
When editing a Gist you'll now notice a new option to toggle the visibility between Public and Secret.
T...