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Fragment is not being replaced but put on top of the previous one
...roblem but my issue was that I was using two different Fragment managers:
One from getSupportFragmentManager() and one from getFragmentManager(). If I added one fragment with the SupportFragmentManager and then tried replacing the fragment with the FragmentManager, the fragment would just get added...
Delete a single record from Entity Framework?
...have a list of IDs from some other query or source, and you need to delete one. Rather than loading up the objects just to delete them, this way you can delete by ID. You know, that's how the DELETE statement works in SQL normally.
– siride
Jul 11 '16 at 18:18
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How can I quantify difference between two images?
...f we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
If we blur the image and compare to the original, there is some difference:
$ python compare.py one.jpg one-blurred.jpg
Manhattan norm: 92...
Working with $scope.$emit and $scope.$on
How can I send my $scope object from one controller to another using .$emit and .$on methods?
12 Answers
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BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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How to check if one of the following items is in a list?
...es writing a function to accomplish this, is the any short way to check if one of multiple items is in a list.
14 Answers
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Set up a scheduled job?
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One solution that I have employed is to do this:
1) Create a custom management command, e.g.
python manage.py my_cool_command
2) Use cron (on Linux) or at (on Windows) to run my command at the required times.
This is a ...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...tations for signed values that may differ according to the implementation: one's complement, two's complement, sign-magnitude. For an unsigned type there is no reason for the standard to allow variation because there is only one obvious binary representation (the standard only allows binary represen...
How does StartCoroutine / yield return pattern really work in Unity?
...oft referenced Unity3D coroutines in detail link is dead. Since it is mentioned in the comments and the answers I am going to post the contents of the article here. This content comes from this mirror.
Unity3D coroutines in detail
Many processes in games take place over the course of mult...
Change the name of a key in dictionary
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Easily done in 2 steps:
dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]
Or in 1 step:
dictionary[new_key] = dictionary.pop(old_key)
which will raise KeyError if dictionary[old_key] is undefined. Note that this...