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CALayers didn't get resized on its UIView's bounds change. Why?
...t work very well for me with a self-sizing UITextView (scrollEnabled = NO) and auto layout. I had a text view pinned to its superview, which in turn had a CALayer at the bottom of itself (a border), and I wanted it to update border position when the text view's height changed. For some reason layout...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...n the original master branch. While ergosys' solution does a proper merge and so retains all history in master.
– florisla
Aug 28 '15 at 8:05
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How to set a default entity property value with Hibernate
... edited Oct 10 '18 at 14:26
Andrew Tobilko
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answered Jun 24 '10 at 13:24
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- how to allow only one item selected?
I have a <SELECT multiple> field with multiple options and I want to allow it to have only one option selected at the same time but user can hold CTRL key and select more items at once.
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How to parse float with two decimal places in javascript?
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glad to help and keep up the good work on -- "learning a new thing every day"
– Mahesh Velaga
Dec 14 '10 at 1:55
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How to get a random value from dictionary in python
How can I get a random pair from a dict ? I'm making a game where you need to guess a capital of a country and I need questions to appear randomly.
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How to get Android crash logs?
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If your app is being downloaded by other people and crashing on remote devices, you may want to look into an Android error reporting library (referenced in this SO post). If it's just on your own local device, you can use LogCat. Even if the device wasn't connected to a ...
Python OpenCV2 (cv2) wrapper to get image size?
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cv2 uses numpy for manipulating images, so the proper and best way to get the size of an image is using numpy.shape. Assuming you are working with BGR images, here is an example:
>>> import numpy as np
>>> import cv2
>>> img = cv2.imread('foo.jpg')
&g...
Detect network connection type on Android
How do you detect the network connection type on Android?
13 Answers
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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...