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C# equivalent of the IsNull() function in SQL Server

... function to check if a value is null, and if it is, return another value. Now I am wondering if there is anything similar in C#. ...
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Detecting if an NSString contains…?

... In iOS8 you can now use: BOOL containsString = [@"Here is my string." containsString:@"is"]; There's an interesting post on how to "retrofit" it to iOS7 here: http://petersteinberger.com/blog/2014/retrofitting-containsstring-on-ios-7/ ...
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Regular expression to match URLs in Java

... The best way to do it now is: android.util.Patterns.WEB_URL.matcher(linkUrl).matches(); EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java : /* * Copyright (C) 2007...
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Store boolean value in SQLite

...ximum of 127. One character really. A C example from what I'm working on now. has() is a function that returns 1 if the 2nd string is in the first one. inp is the input string to this function. misc is an unsigned char initialized to 0. if (has(inp,"sap='Spanish'") > 0) misc += 1; if (has...
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Determine .NET Framework version for dll

... My idea too, but knowing reflector, it will probably complain, and give it a nice non-descript error icon. – leppie Aug 11 '10 at 17:15 ...
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How to activate “Share” button in android app?

...llo, In above method it seems to display multiple applications. I want to know which application used for sharing and after sharing complete i have to call one API. Is to possible to check which application used and also how to call API after sharing? Thank you... – patel135 ...
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What is the purpose of Looper and how to use it?

I am new to Android. I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it. I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpos...
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How to convert linq results to HashSet or HashedSet

...tor. We're relying on type inference for generic methods to do it for us. Now you could choose to name it ToSet and return ISet<T> - but I'd stick with ToHashSet and the concrete type. This is consistent with the standard LINQ operators (ToDictionary, ToList) and allows for future expansion (...
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How to convert TimeStamp to Date in Java?

... I hate when ppl use libraries in their answers and expect everyone to know how to import them :/ – Sodj Nov 28 '18 at 10:04 ...
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Proper Repository Pattern Design in PHP?

...ow in order to be used by my controller. Remember, my controller will not know where the data is actually stored. Note that my repositories will only every contain these three methods. The save() method is responsible for both creating and updating users, simply depending on whether or not the user...