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How do I check if file exists in jQuery or pure JavaScript?
...tus!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, callback) {
var xhr = new XMLHttpRequest()
xhr.onready...
How do I view 'git diff' output with my preferred diff tool/ viewer?
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26 Answers
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How to turn a String into a JavaScript function call? [duplicate]
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edited Feb 21 at 22:19
Callum Watkins
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How to define optional methods in Swift protocol?
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523
1. Using default implementations (preferred).
protocol MyProtocol {
func doSomething()
}
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PostgreSQL - Rename database
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answered Sep 27 '08 at 15:03
bmdhacksbmdhacks
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Maven: how to override the dependency added by a library
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answered Oct 14 '10 at 20:26
Colin HebertColin Hebert
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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Nginx not picking up site in sites-enabled?
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200
I had the same problem. It was because I had accidentally used a relative path with the symbol...
How to check visibility of software keyboard in Android?
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42 Answers
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Using bitwise OR 0 to floor a number
...wise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it's a bit
faster? (pun not intended)
http://jsperf.com/or-vs-floor/2 seems slig...