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Is there an R function for finding the index of an element in a vector?
... that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
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Python's os.makedirs doesn't understand “~” in my path
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281
You need to expand the tilde manually:
my_dir = os.path.expanduser('~/some_dir')
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What is the role of src and dist folders?
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Difference between objectForKey and valueForKey?
...can do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber...
How to count items in JSON object using command line?
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edited Sep 25 '18 at 19:59
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How to add an extra source directory for maven to compile and include in the build jar?
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145
You can use the Build Helper Plugin, e.g:
<project>
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<build>
<plugi...
The Ruby %r{ } expression
...t
\s # white space char
(group) # first group
(?:alt1|alt2) # some alternation
end
}x
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How can I make a JUnit Test wait?
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118
How about Thread.sleep(2000); ? :)
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Android icon vs logo
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119
The ActionBar will use the android:logo attribute of your manifest, if
one is provided. T...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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148
Yes, Google is notoriously difficult for looking up punctuation and, unfortunately, Perl does ...