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What is a callback function?
...rvices to respond. Being aware of this, the service providers often design APIs using the callback pattern.
JavaScript supports callbacks very nicely e.g. with lambdas and closures. And there is a lot of activity in the JavaScript world, both on the browser as well as on the server. There are even ...
List or IList [closed]
...oth look pleased at yourselves for being so clever. Or for a public facing API, IList. Hopefully you get my point.
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Add Keypair to existing EC2 instance
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sudo umount /vol-a
sudo rmdir /vol-a
Now, back on your system with ec2-api-tools, continue moving the EBS volume back to it’s home on the original instance A and start the instance again:
ec2-detach-volume $volume
ec2-attach-volume --instance $instance_a --device /dev/sda1 $volume
ec2-start-i...
How to resize superview to fit all subviews with autolayout?
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The correct API to use is UIView systemLayoutSizeFittingSize:, passing either UILayoutFittingCompressedSize or UILayoutFittingExpandedSize.
For a normal UIView using autolayout this should just work as long as your constraints are corre...
What is the difference between mocking and spying when using Mockito?
...(toAccount,amount);
}
Yes, you can change to the first code but then API is changed. If this method is being used by many places, you have to change all of them.
Alternative is that you can extract the dependency out like this:
public void transfer(String fromAccount, String toAccount, d...
Android ListView with different layouts for each row
...'t have to call findViewById() every time in getView method. See List14 in API demos.
Create one generic layout that will conform all combinations of properties and hide some elements if current position doesn't have it.
I hope that will help you. If you could provide some XML stub with your data ...
Understanding Fragment's setRetainInstance(boolean)
...recated. With
the introduction of ViewModels, developers have a specific API for
retaining state that can be associated with Activities, Fragments, and
Navigation graphs. This allows developers to use a normal, not
retained Fragment and keep the specific state they want retained
separate, ...
How to get the Full file path from URI
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* Gets the file path of the given Uri.
*/
@SuppressLint("NewApi")
public static String getPath(Context context, Uri uri) throws URISyntaxException {
final boolean needToCheckUri = Build.VERSION.SDK_INT >= 19;
String selection = null;
String[] selectionAr...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...ice , I'd prefer to do it using intents and not using the Facebook/Twitter APIs.
12 Answers
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What is the best way to deal with the NSDateFormatter locale “feechur”?
...mat set and locale forced to en_US_POSIX for receiving dates (from servers/APIs).
Then you should be using a different NSDateFormatter for the UI which you will set the timeStyle/dateStyle properties - this way you're not having an explicit dateFormat set by yourself, thus falsely assuming that for...