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What is the equivalent of Java's final in C#?

...le difference between the two languages here is that Java by default marks all non-static methods as virtual, whereas C# marks them as sealed. Hence, you only need to use the sealed keyword in C# if you want to stop further overriding of a method that has been explicitly marked virtual in the base c...
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How to scale a UIImageView proportionally?

I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. 17 Answer...
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Spark java.lang.OutOfMemoryError: Java heap space

... longer need to play with these values, spark will determine them automatically. Similar to above but shuffle memory fraction. If your job doesn't need much shuffle memory then set it to a lower value (this might cause your shuffles to spill to disk which can have catastrophic impact on speed). So...
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How do you get the index of the current iteration of a foreach loop?

...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator. This Enumerator has a method and a property: MoveNext() Current Current returns the object that Enumerator is currently on, MoveNext updates Current t...
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How do I strip non alphanumeric characters from a string and keep spaces?

I want to create a regex that removes all non-alphanumber characters but keeps spaces. This is to clean search input before it hits the db. Here's what I have so far: ...
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Android YouTube app Play Video Intent

...ative app puts out in order to play the YouTube app. I could do this easially if I had the YouTube program on my emulator, so my 1st question is: 1. Can I download the YouTube app for my emulator, or... 2. What is the intent used when the user selects a video for playback. ...
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SQL Server 2008 can't login with newly created user

... SQL Server was not configured to allow mixed authentication. Here are steps to fix: Right-click on SQL Server instance at root of Object Explorer, click on Properties Select Security from the left pane. Select the SQL Server and Windows Authentication m...
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How to return 2 values from a Java method?

...get object 2 – Crystalonics Apr 28 '16 at 18:03 45 I feel very strongly that Java should allow yo...
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PHP Fatal error: Call to undefined function json_decode()

Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs ...
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Which Eclipse version should I use for an Android app?

... to download the Android SDK bundle: http://developer.android.com/sdk/installing/bundle.html The ADT Bundle provides everything you need to start developing apps, including a version of the Eclipse IDE with built-in ADT (Android Developer Tools) to streamline your Android app development. ...