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Check if a number has a decimal place/is a whole number
I am looking for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance,
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What is the difference between == and Equals() for primitives in C#?
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Primitives types override the base object.Equals(object) and return true if the boxed object is of the same type and value. (Note that it will also work for nullable types; non-null nullable types always box to an instance of the underlying type.)
Since newAge is a short, its Equals(object) method...
HTTP response code for POST when resource already exists
...at client side, complete with object IDs that are permanent for the whole lifetime of the object.
16 Answers
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How do you post to an iframe?
How do you post data to an iframe?
4 Answers
4
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Check if character is number?
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You could use comparison operators to see if it is in the range of digit characters:
var c = justPrices[i].substr(commapos+2,1);
if (c >= '0' && c <= '9') {
// it is a number
} else {
// it isn't
}
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When to use ko.utils.unwrapObservable?
...apObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, they have the following syntax:
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How to Sort Multi-dimensional Array by Value?
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Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
function sortByOrder($a, $b) {
return $a['order'] - $b['order'];
}
usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can u...
Determine Whether Integer Is Between Two Other Integers?
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if 10000 <= number <= 30000:
pass
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Twig ternary operator, Shorthand if-then-else
Does Twig support ternary (shorthand if-else) operator?
3 Answers
3
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What is a StackOverflowError?
...has done it for you.
To deal with them, you'll need to examine your code. If you've got functions that call themselves then check that you've got a terminating condition. If you have, then check that when calling the function you have at least modified one of the arguments, otherwise there'll be no...