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Check if object is a jQuery object
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edited Apr 2 at 1:54
Popnoodles
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answered D...
Preview an image before it is uploaded
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}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type=...
Why are elementwise additions much faster in separate loops than in a combined loop?
...while. But in reality, the performance isn't completely uniform. Accessing 4-ways is still slower than say 2-ways.
EDIT: It does in fact look like you are allocating all the arrays separately.
Usually when such large allocations are requested, the allocator will request fresh pages from the OS. Ther...
Java String new line
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144
System.out.println("I\nam\na\nboy");
System.out.println("I am a boy".replaceAll("\\s+","\n"));...
Shortcuts in Objective-C to concatenate NSStrings
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Michael Fredrickson
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answered Feb 4 '09 at 6:44
Chris BlackwellCh...
Returning value from Thread
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rogerdpack
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answered Feb 5 '12 at 11:51
Adam Zalcma...
Can't compile project when I'm using Lombok under IntelliJ IDEA
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423
I have fixed it in IDEA 12 by setting check box Enable annotation processing in:
Settings...
Convert String to Calendar Object in Java
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406
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd...