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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
... new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we c...
How do I update/upsert a document in Mongoose?
...
Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify).
The upsert = true option creates the object if it doesn't exist. defaults to false.
var query = {'username': req.user.username};
req.newData.username = req.user.username;
MyModel.findOneAndUpd...
AtomicInteger lazySet vs. set
...l values for a while, but you'd
like to ensure that structures are eventually GCable. In such
cases, you can get better performance by avoiding
the costs of the null volatile-write. There are a few
other use cases along these lines for non-reference-based
atomics as well, so the method is ...
Entity Framework Code First - two Foreign Keys from same table
...
What if two teams are allowed to play only once?
– ca9163d9
Jun 8 '13 at 18:53
4
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How to check whether a file or directory exists?
...iven file or directory exists
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil { return true, nil }
if os.IsNotExist(err) { return false, nil }
return false, err
}
Edited to add error handling.
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Can't start Eclipse - Java was started but returned exit code=13
...ng Eclipse. I ran into this problem when trying to run Eclipse, having installed version 4.2 only minutes ago.
44 Answers
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jQuery OR Selector?
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It should be noted this isn't really an 'or' selector, more like multiple selectors in one.
– alex
Feb 15 '10 at 3:57
50
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How to disable back swipe gesture in UINavigationController on iOS 7
...ewDidDisappear, but works in method viewWillDisappear. On iOS7 it works in all of above mentioned methods. So try to use it in any other methods while working on the viewController, I confirm it works for me on iOS8 when I click on some button inside of the view.
– Sihad Begovi...
How do I determine if my python shell is executing in 32bit or 64bit?
...test for older systems, this slightly more complicated test should work on all Python 2 and 3 releases:
$ python-32 -c 'import struct;print( 8 * struct.calcsize("P"))'
32
$ python-64 -c 'import struct;print( 8 * struct.calcsize("P"))'
64
BTW, you might be tempted to use platform.architecture() fo...
Ruby on Rails: Delete multiple hash keys
...re unaware of the Hash#except method ActiveSupport adds to Hash.
It would allow your code to be simplified to:
redirect_to my_path(params.except(:controller, :action, :other_key))
Also, you wouldn't have to monkey patch, since the Rails team did it for you!
...