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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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Meaning of 'const' last in a function declaration of a class?
...method the this pointer will essentially become a pointer to const object, and you cannot therefore change any member data. (Unless you use mutable, more on that later).
The const keyword is part of the functions signature which means that you can implement two similar methods, one which is called ...
ngClass style with dash in key
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This is the best answer as it is the most future-friendly and backwards compatible
– Eric Steinborn
Mar 24 '14 at 17:35
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Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
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You could convert it to an array and then print that out with Arrays.toString(Object[]):
System.out.println(Arrays.toString(stack.toArray()));
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How can I detect whether an iframe is loaded?
...never seen that method for creating an appended element before. IS LOVELY, and totally solved it for me. Nice work!
– indextwo
Nov 16 '18 at 15:37
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Getting ssh to execute a command in the background on target machine
...w do you use ssh in a shell script? question. If I want to execute a command on the remote machine that runs in the background on that machine, how do I get the ssh command to return? When I try to just include the ampersand (&) at the end of the command it just hangs. The exact form of the comm...
Calculate a percent with SCSS/SASS
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is there a similar function for px and em?
– Nick Ginanto
Nov 13 '12 at 11:22
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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I did some benchmarks to see what's the fastest way and these are my results and conclusions. I ran each method 10M times and added a comment with the average time per run.
If your input milliseconds are not limited to one day (your result may be 143:59:59.999), these are the...
Underscore vs Double underscore with variables and methods [duplicate]
...e class FooBar, __boo becomes _FooBar__boo; see below).
__double_leading_and_trailing_underscore__: "magic" objects or
attributes that live in user-controlled namespaces. E.g. __init__,
__import__ or __file__. Never invent such names; only use them
as documented.
Also, from Davi...
How to pass variable number of arguments to a PHP function
...unction that takes a variable number of arguments (using func_num_args() and func_get_args() ), but the number of arguments I want to pass the function depends on the length of an array. Is there a way to call a PHP function with a variable number of arguments?
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