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How to split data into training/testing sets using sample function
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@VedaadShakib when you use "-" it omit all the index in train_ind from your data. Take a look at adv-r.had.co.nz/Subsetting.html . Hope it helps
– dickoa
Aug 1 '16 at 22:05
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Concatenating null strings in Java [duplicate]
...can do so yourself by using javap -c)
The append methods of StringBuilder all handle null just fine. In this case because null is the first argument, String.valueOf() is invoked instead since StringBuilder does not have a constructor that takes any arbitrary reference type.
If you were to have ...
Yes or No confirm box using jQuery
...false;
}
});
</script>
These codes works for me, but I'm not really sure if this is proper. What do you think?
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Show Image View from file path?
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Martin the method being called on the java.io.File getAbsolutePath() is returning the string.
– JJ_Coder4Hire
Mar 21 '14 at 20:45
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@class vs. #import
... and use the @class declaration in your header file.
@class does not (usually) remove the need to #import files, it just moves the requirement down closer to where the information is useful.
For Example
If you say @class MyCoolClass, the compiler knows that it may see something like:
MyCoolCl...
Running junit tests in parallel in a Maven build?
...>2.7.1</version>
<configuration>
<parallel>classes</parallel>
<threadCount>5</threadCount>
</configuration>
</plugin>
</plugins>
</build>
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How do I perform an IF…THEN in an SQL SELECT?
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The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
Yo...
How to get first and last day of the week in JavaScript
...tring(); just I have corrected the @RichardN's code, which is having a small mistake
– Azeez
Oct 13 '14 at 14:20
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How to quickly and conveniently create a one element arraylist [duplicate]
...t here is IDEs code analysis doesn't warn about single element asList(..) calls.
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Ignoring directories in Git repositories on Windows
...doublequotes, so for example ".gitignore" and it saves it without automatically adding an extension.
– Arrowmaster
Feb 10 '11 at 17:44
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