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You need to use a Theme.AppCompat theme (or descendant) with this activity

...a subclass, ActionBarActivity), to Activity, must also change the various calls with "support" to the corresponding call without "support". So, instead of getSupportFragmentManager, call getFragmentManager. share |...
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MySQL DISTINCT on a GROUP_CONCAT()

...swers to this question do not return what the OP needs, they will return a string like: test1 test2 test3 test1 test3 test4 (notice that test1 and test3 are duplicated) while the OP wants to return this string: test1 test2 test3 test4 the problem here is that the string "test1 test3" is duplic...
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How to find index of list item in Swift?

...B = arr.indexOf("b") // 1 let indexOfD = arr.indexOf("d") // nil Additionally, finding the first element in an array fulfilling a predicate is supported by another extension of CollectionType: let arr2 = [1,2,3,4,5,6,7,8,9,10] let indexOfFirstGreaterThanFive = arr2.indexOf({$0 > 5}) // 5 let i...
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Extract directory from path

...For example, the file = "stuff/backup/file.zip" . I need a way to get the string " stuff/backup/ " from the variable $file . ...
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Find Java classes implementing an interface [duplicate]

...ncludeFilter(tf); s.scan("package.you.want1", "package.you.want2"); String[] beans = bdr.getBeanDefinitionNames(); N.B. The TypeFilter is important if you want the correct results! You can also use exclusion filters here instead. The Scanner can be found in the spring-context jar, the regi...
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How to read data when some numbers contain commas as thousand separator?

I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R? ...
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How do you unit test a Celery task?

... tasks. The first one (as I'm suggesting bellow) is completely synchronous and should be the one that makes sure the algorithm does what it should do. The second session uses the whole system (including the broker) and makes sure I'm not having serialization issues or any other distribution, comunic...
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Why seal a class?

... Performance is an important factor for example, the string class in java is final(<- sealed) and reason for this is performance only. I think another important point is to avoid the brittle base class problem described in detail here: http://blogs.msdn.com/ericlippert/archi...
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How to overcome “datetime.datetime not JSON serializable”?

...ult=json_util.default) Example usage (deserialization): json.loads(aJsonString, object_hook=json_util.object_hook) Django Django provides a native DjangoJSONEncoder serializer that deals with this kind of properly. See https://docs.djangoproject.com/en/dev/topics/serialization/#djangojsonen...
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Replace a character at a specific index in a string?

I'm trying to replace a character at a specific index in a string. 8 Answers 8 ...