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How to detect orientation change in layout in Android?

...droid:configChanges="orientation|keyboardHidden" android:label="@string/app_name"> NOTE: with Android 3.2 (API level 13) or higher, the "screen size" also changes when the device switches between portrait and landscape orientation. Thus, if you want to prevent runtime restarts due to ...
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Sum a list of numbers in Python

...# or you can do: sum(i for i in a) # 18 If the list contains integers as strings: a = ['5', '6'] # import Decimal: from decimal import Decimal sum(Decimal(i) for i in a) share | improve this ans...
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Fatal error: Class 'SoapClient' not found

I'm trying a simple web service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file: ...
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Can overridden methods differ in return type?

...erriding method should be the same. e.g. if the return type is int, float, string then it should be same Case 2: If the return type is derived data type: Output: If the return type of the parent class method is derived type then the return type of the overriding method is the same derived data typ...
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How can you represent inheritance in a database?

...t a table with only the common field and add a single column with the JSON string that contains all the subtype specific fields. I have tested this design for manage inheritance and I am very happy for the flexibility that I can use in the relative application. ...
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Regular Expressions: Is there an AND operator?

... Doesn't ^ mean "beginning of string" in regex syntax? – Lambda Fairy Dec 30 '13 at 1:57 3 ...
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How to wait in a batch script? [duplicate]

I am trying to write a batch script and trying to wait 10 seconds between 2 function calls. The command: 6 Answers ...
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What's the best practice using a settings file in Python? [closed]

...l is a superset of Json. Json will solve most uses cases except multi line strings where escaping is required. Yaml takes care of these cases too. >>> import json >>> config = {'handler' : 'adminhandler.py', 'timeoutsec' : 5 } >>> json.dump(config, open('/tmp/config.json'...
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TypeError: unhashable type: 'dict'

...e the keys have to be hashable. As a general rule, only immutable objects (strings, integers, floats, frozensets, tuples of immutables) are hashable (though exceptions are possible). So this does not work: >>> dict_key = {"a": "b"} >>> some_dict[dict_key] = True Traceback (most re...
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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?

... Content = stackLayout, }); } static void AddButton(string text, LayoutOptions verticalOptions) { stackLayout.Children.Add(new Button { Text = text, BackgroundColor = Color.White, VerticalOptions = verticalOptions, He...