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Linux delete file with size 0 [duplicate]
How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script.
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Ternary Operator Similar To ?:
...Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res0: String = String
scala> List.getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res1: String = List
Is this adequate for your needs?
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The maximum recursion 100 has been exhausted before statement completion
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250
Specify the maxrecursion option at the end of the query:
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from EmployeeTree
option (maxrecur...
“Too many values to unpack” Exception
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answered Sep 25 '09 at 22:13
Stefano BoriniStefano Borini
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function declaration isn't a prototype
...oo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be presen...
Best way to check if a URL is valid
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305
You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates va...
Difference between Django's annotate and aggregate methods?
...gt; q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_authors
1
q is the queryset of books, but each book has been annotated with the number of authors.
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Why can't I have “public static const string S = ”stuff"; in my Class?
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607
A const object is always static.
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Why are Where and Select outperforming just Select?
...an be different from cost(+), they don't necessarily intersect at p(valid)=0.5.
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Symbol for any number of any characters in regex?
...ace or any non-whitespace) as many times as possible down to and including 0.
[\s\S]*
This expression will match as few as possible, but as many as necessary for the rest of the expression.
[\s\S]*?
For example, in this regex [\s\S]*?B will match aB in aBaaaaB. But in this regex [\s\S]*B will...