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Why is using a wild card with a Java import statement bad?
...ported. It's not just a problem when upgrading Java versions. Also - if an API is designed well, it should never break existing code on upgrade. The only time I needed to change code when upgrading java versions was because of import-on-demand and when Sun pulled the XML APIs into the java runtime.
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Best way to convert strings to symbols in hash
...ring and as Symbols:
my_hash.with_indifferent_access
see also:
http://api.rubyonrails.org/classes/ActiveSupport/HashWithIndifferentAccess.html
Or you can use the awesome "Facets of Ruby" Gem, which contains a lot of extensions to Ruby Core and Standard Library classes.
require 'facets'
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How to show a dialog to confirm that the user wishes to exit an Android Activity?
... only call finish(). Even if that's true now, it may not be true in future APIs CustomTabActivity.super.onBackPressed
– mplungjan
Dec 9 '12 at 7:23
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Find column whose name contains a specific string
...ific-string
# from: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.str.contains.html
# from: https://cmdlinetips.com/2019/04/how-to-select-columns-using-prefix-suffix-of-column-names-in-pandas/
# from: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFr...
Cache an HTTP 'Get' service response in AngularJS?
...s multiple controllers and angular components. It can be used as a generic api service to cache all your $http's into a single service obj rather than having different service objects for each one of them.
– Nirav Gandhi
Jul 9 '15 at 5:10
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Refresh Fragment at reload
...ched from its activity and then attached. All can be done using the fluent api in one line:
getFragmentManager().beginTransaction().detach(this).attach(this).commit();
Update:
This is to incorporate the changes made to API 26 and above:
FragmentTransaction transaction = mActivity.getFragmentMana...
Changing navigation bar color in Swift
...rance().backgroundColor = UIColor.yellowColor();
More about UIAppearance API in Swift you can read here: https://developer.apple.com/documentation/uikit/uiappearance
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Test if a string contains any of the strings from an array
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EDIT: Here is an update using the Java 8 Streaming API. So much cleaner. Can still be combined with regular expressions too.
public static boolean stringContainsItemFromList(String inputStr, String[] items) {
return Arrays.stream(items).anyMatch(inputStr::contains);
}
Al...
Android: ProgressDialog.show() crashes with getApplicationContext
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Which API version are you using? If I'm right about what the problem is then this was fixed in Android 1.6 (API version 4).
It looks like the object reference that getApplicationContext() is returning just points to null. I think ...
Proper way to exit iPhone application?
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Q: How do I programmatically quit my iOS application?
There is no API provided for gracefully terminating an iOS application.
In iOS, the user presses the Home button to close applications. Should your application have conditions in which it cannot provide its intended function, the re...