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Check if the number is integer
I was surprised to learn that R doesn't come with a handy function to check if the number is integer.
12 Answers
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Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
What is the easiest way to encode a PHP string for output to a JavaScript variable?
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Getting the difference between two sets
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How do you remove an array element in a foreach loop?
I want to loop through an array with foreach to check if a value exists. If the value does exist, I want to delete the element which contains it.
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Syntax for creating a two-dimensional array
Consider:
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How can I list all tags in my Git repository by the date they were created?
I need some way to list all tags in my system by the date they were created but am not sure if I can get that data via git-log. Ideas?
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How to randomly select an item from a list?
Assume I have the following list:
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How to get the command line args passed to a running process on unix/linux systems?
On SunOS there is pargs command that prints the command line arguments passed to the running process.
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Counting the number of elements with the values of x in a vector
I have a vector of numbers:
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Validating email addresses using jQuery and regex
I'm not too sure how to do this. I need to validate email addresses using regex with something like this:
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