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Write to .txt file?
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`if __name__ == '__main__'` equivalent in Ruby
I am new to Ruby. I'm looking to import functions from a module that contains a tool I want to continue using separately. In Python I would simply do this:
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LINQ Using Max() to select a single row
...that would iterate table only once would be this:
var result = table.OrderByDescending(x => x.Status).First();
This is helpful if table is an IEnumerable<T> that is not present in memory or that is calculated on the fly.
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How can I ignore everything under a folder in Mercurial
...he folder "foo" somewhere in the path
^foo matches file or folder starting by foo at the root of the repository
foo$ matches file ending with foo
I hope this will help, I found the HGIGNORE(5) page a bit succinct.
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Checking if output of a command contains a certain string in a shell script
...d keeps running even after emitting string, in which case using grep -q -- by closing its stdin and exiting after the first instance of string is seen -- can be counterproductive]. (Re: "non-POSIX-compliant", &> is an extension -- see pubs.opengroup.org/onlinepubs/009695399/utilities/… desc...
What's Go's equivalent of argv[0]?
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How to get hex color value rather than RGB value?
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-1. As mentioned by orip, you could use toString(16). Downvoted for other inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3...
jQuery see if any or no checkboxes are selected
...now you can check if any of the checkbox is checked belonging to the group by:
$("#formID .test_check:checked").length > 0
If it returns true, assume that one or more checkboxes are checked having the classname test_check and none checked if returns false.
Hope it helps someone. Thanks :)-
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Python integer division yields float
...wered Aug 15 '09 at 21:50
Jonas ByströmJonas Byström
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Get the value of an instance variable given its name
...instance_variable_get("@#{name}")
There is no need to use + or intern; Ruby will handle this just fine. However, if you find yourself reaching into another object and pulling out its ivar, there's a reasonably good chance that you have broken encapsulation.
If you explicitly want to access an iva...