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Should I call Close() or Dispose() for stream objects?
...of these classes. They've also defined a public method called Close() . Now that confuses me, as to what should I call once I'm done with objects? What if I call both?
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How do I create test and train samples from one dataframe with pandas?
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Btw, it does return a Pandas Dataframe now (just tested on Sklearn 0.16.1)
– Julien Marrec
Jul 8 '15 at 10:30
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Querying DynamoDB by date
...ps on the range key only. The hash key is required such that the service knows which partition to look in to find the data.
You can of course perform a scan operation to filter by the date value, however this would require a full table scan, so it is not ideal.
If you need to perform an indexed l...
twitter bootstrap typeahead ajax example
...ed' ? false : process(json.options);
}
});
}
});
Now you can make a unified code, placing "json-request" links in your HTML-code.
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Convert between UIImage and Base64 string
Does anyone know how to convert a UIImage to a Base64 string, and then reverse it?
24 Answers
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How To Set A JS object property name from a variable
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Also note that @ChilNut's response below now describes the easiest way of doing this using ES6
– rambossa
Jan 28 '16 at 14:34
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What represents a double in sql server?
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You say float, David says decimal, now I am even more confused :)
– Xaisoft
Jul 30 '09 at 20:36
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How to add MVC5 to Visual Studio 2013?
...ose MVC and WEB API - it didn't ask me which MVC version to use. How do I know if right now I'm working under MVC 4 or 5?
– developer82
Jan 13 '14 at 17:05
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Pandas: drop a level from a multi-level column index?
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As of Pandas 0.24.0, we can now use DataFrame.droplevel():
cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
df = pd.DataFrame([[1,2], [3,4]], columns=cols)
df.droplevel(0, axis=1)
# b c
#0 1 2
#1 3 4
This is very useful if you wan...
How can I access Google Sheet spreadsheets only with Javascript?
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Looks like google changed policy and this is broken now.
– Chirag
Jul 25 at 14:43
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