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Overriding superclass property with different type in Swift

...properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { var chassis = Chassis() } class RaceCar: Car { var racingChassis = RacingChassis() override var chassis: Chassis { ...
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Ways to eliminate switch in code [closed]

... -1: I've never used a switch statement with typeof, and this answer doesn't suggest ways or reasons to work around switch statements in other situations. – Kevin Jun 18 '13 at 21:00 ...
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How to declare a structure in a header that is to be used by multiple files in c?

...each source file needed it. The right way is putting it in an header file, and include this header file whenever needed. shall we open a new header file and declare the structure there and include that header in the func.c? This is the solution I like more, because it makes the code highly modular. ...
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Is there an alternative to string.Replace that is case-insensitive?

I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest ...
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?

I want to be able to connect to a PostgreSQL database and find all of the functions for a particular schema. 9 Answers ...
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How do I use method overloading in Python?

... It's method overloading not method overriding. And in Python, you do it all in one function: class A: def stackoverflow(self, i='some_default_value'): print 'only method' ob=A() ob.stackoverflow(2) ob.stackoverflow() You can't have two methods with th...
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Showing Difference between two datetime values in hours

...her example of subtracting two dates in C# ... if ( DateTime.Now.Subtract(Convert.ToDateTime(objDateValueFromDatabase.CreatedOn)).TotalHours > 24 ) { ... } share | improve this answer ...
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How to find all occurrences of an element in a list?

...an the numpy solution if you already have the array, otherwise the cost of converting outweighs the speed gain (tested on integer lists with 100, 1000 and 10000 elements). NOTE: A note of caution based on Chris_Rands' comment: this solution is faster than the list comprehension if the results are s...
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Echo equivalent in PowerShell for script testing

...ut-String, because with any non-trivial object, you'll need to use that to convert the object to a display-able string before using any of those three Write-* cmdlets. – Jaykul Nov 2 '09 at 7:11 ...
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How to quit android application programmatically

I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely? ...