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Is there a way to detect if an image is blurry?
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Yes, it is. Compute the Fast Fourier Transform and analyse the result. The Fourier transform tells you which frequencies are present in the image. If there is a low amount of high frequencies, then the image is blurry.
Defining the terms 'low' and 'high' is up to you.
E...
Get protocol + host name from URL
... is not domain: try urlparse.urlparse('http://user:pass@example.com:8080') and find it gives parts like 'user:pass@' and ':8080'
– starrify
Oct 21 '14 at 8:02
23
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Why does Eclipse Java Package Explorer show question mark on some classes?
...repository.
If your project was checked-out (most probably a CVS project) and you added a new class file, it will have the ? icon.
For other CVS Label Decorations, check http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse.platform.doc.user/reference/ref-cvs-decorations.htm
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How to cast an Object to an int
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Beware, it can throw a ClassCastException if your object isn't an Integer and a NullPointerException if your object is null.
This way you assume that your Object is an Integer (the wrapped int) and you unbox it into an int.
int is a primitive so it can't be stored as an Object, the only way is to...
How to remove “onclick” with JQuery?
...stackoverflow.com/questions/209029/…
– Lance Cleveland
Jan 6 '12 at 18:04
6
See first comment o...
Bootstrap Alert Auto Close
My need is to call alert when I click on Add to Wishlist button and should disappear the alert in 2 secs. This is how I tried, but the alert is disappearing instantly as soon as it is appearing. Not sure, where the bug is.. Can anyone help me out?
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Initializing a static std::map in C++
... implements these utilities is that it is neatly encapsulated in a library and the end user rarely needs to deal with the complexity.
– Steve Guidi
Nov 13 '09 at 18:09
45
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Measuring code execution time
...ferences.
Stopwatch Class - Microsoft Docs
Provides a set of methods and properties that you can use to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance of Stopwatch
//your sample code
System.Threading.Thread.Sleep(500);
stopwatc...
Access index of the parent ng-repeat from child ng-repeat
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My example code was correct and the issue was something else in my actual code. Still, I know it was difficult to find examples of this so I'm answering it in case someone else is looking.
<div ng-repeat="f in foos">
<div>
<div ng-...
What is the best way to remove a table row with jQuery?
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Yeah, I was assuming the row has an ID and you have the ID :)
– Darryl Hein
Oct 4 '08 at 21:14
2
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