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Declaring array of objects
...terals in an array literal:
var sample = [{}, {}, {} /*, ... */];
EDIT: If your goal is an array whose undefined items are empty object literals by default, you can write a small utility function:
function getDefaultObjectAt(array, index)
{
return array[index] = array[index] || {};
}
Then ...
How to wait 5 seconds with jQuery?
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jQuery is written in javascript. If you include and use jQuery, you need javascript. If you have javascript, you have setTimeout.
– Alex Bagnolini
Dec 2 '09 at 22:08
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Collections.emptyList() vs. new instance
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The main difference is that Collections.emptyList() returns an immutable list, i.e., a list to which you cannot add elements. (Same applies to the List.of() introduced in Java 9.)
In the rare cases where you do want to modify the retu...
How to extract the first two characters of a string in shell scripting?
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Probably the most efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
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getting type T from IEnumerable
... gives you the FullName property which tells you the namespace.classname . If you are looking only for the class name use myEnumerable.GetType().GetGenericArguments()[0].Name
– user5534263
Jun 8 '16 at 14:49
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Reading in a JSON File Using Swift
I'm really struggling with trying to read a JSON file into Swift so I can play around with it. I've spent the best part of 2 days re-searching and trying different methods but no luck as of yet so I have signed up to StackOverFlow to see if anyone can point me in the right direction.....
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How to remove all event handlers from an event
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If button1 is set to null, are all event handlers attached to button1.Click correctly disposed?
– Damien
Jul 29 '09 at 4:12
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Scala Doubles, and Precision
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this is perfect if you just need to render the value and never use it in subsequent operations. thanks
– Alexander Arendar
Dec 3 '14 at 21:20
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Take a screenshot of a webpage with JavaScript?
...y gets you as far as getting the window to the clipboard.
Another option, if the window you want a screenshot of is an HTA would be to just use an XMLHTTPRequest to send the DOM nodes to the server, then create the screenshots server-side.
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package R does not exist
...ed by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
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