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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
..... which in the majority case is going to be a a runtime array. You can avoid the overhead of looking for the global constructor by just using []. It may seem small, but when you're shooting for near real-time performance in your app, it can make a difference.
– coderjoe
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How do I make JavaScript beep?
...ript>
function PlaySound(soundObj) {
var sound = document.getElementById(soundObj);
sound.Play();
}
</script>
<embed src="success.wav" autostart="false" width="0" height="0" id="sound1"
enablejavascript="true">
You would then call it from JavaScript code as such:
PlaySound("so...
How do I decode a string with escaped unicode?
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Interesting. I did had to add quotes around it unescape(JSON.parse('"' + s + '"')); What is the reason for the extra quotes? Does that make it valid JSON?
– styfle
Nov 7 '12 at 1:46
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When should Flask.g be used?
... which setup the environment for the request, and should not be handled inside before_request and after_request)
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How can I get a view's current width and height when using autolayout constraints?
... rotation, or in response to an event). Is there a way to get its current width and height?
5 Answers
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Proper practice for subclassing UIView?
...er, it's fairly simple to use the loadView and related viewWill , viewDid methods, but when subclassing a UIView, the closest methosds I have are `awakeFromNib , drawRect , and layoutSubviews . (I'm thinking in terms of setup and teardown callbacks.) In my case, I'm setting up my frame and i...
Why are functions in Ocaml/F# not recursive by default?
... decades to the modern variants. So this is just legacy but it does affect idioms in these languages.
Functions are not recursive by default in the French CAML family of languages (including OCaml). This choice makes it easy to supercede function (and variable) definitions using let in those langua...
How to style icon color, size, and shadow of Font Awesome Icons
...'re simply fonts, then you should be able to style them as fonts:
#elementID {
color: #fff;
text-shadow: 1px 1px 1px #ccc;
font-size: 1.5em;
}
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
...t's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any Func passed in as a selector / mutator / etc. is a cheap O(1) operation.
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How to configure MongoDB Java driver MongoOptions for production use?
...ncern.NORMAL for this mode.
If you set w to 1 or higher the write is considered safe. Safe writes perform the write and follow it up by a request to the server to make sure the write succeeded or retrieve an error value if it did not (in other words, it sends a getLastError() command after you wri...