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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.
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How to use ADB to send touch events to device using sendevent command?
I am trying to send touch events to a device using AndroidDebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
... I wish I could give you ten upvotes! Thank you for your understandable and very helpful answer!
– Constantino Tsarouhas
Jan 2 '12 at 20:17
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What is the maximum length of a table name in Oracle?
What are the maximum length of a table name and column name in Oracle?
12 Answers
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Why can't R's ifelse statements return vectors?
I've found R's ifelse statements to be pretty handy from time to time. For example:
9 Answers
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How to assign text size in sp value using java code
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http://developer.android.com/reference/android/widget/TextView.html#setTextSize%28int,%20float%29
Example:
textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 65);
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How can I have lowercase routes in ASP.NET MVC?
...that I would have /dinners/details/2 call DinnersController.Details(2) and, if possible, /dinners/more_details/2 call DinnersController.MoreDetails(2) ?
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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
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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...