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What is a Manifest in Scala and when do you need it?

Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it? ...
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Sort NSArray of date strings or objects

...escriptor as below: NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"beginDate" ascending:TRUE]; [myMutableArray sortUsingDescriptors:[NSArray arrayWithObject:sortDescriptor]]; [sortDescriptor release]; ...
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When 1 px border is added to div, Div size increases, Don't want to do that

... The border css property will increase all elements "outer" size, excepts tds in tables. You can get a visual idea of how this works in Firebug (discontinued), under the html->layout tab. Just as an example, a div with a width and height of 10px and a border o...
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Make $JAVA_HOME easily changable in Ubuntu [closed]

In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6. 8 Answers ...
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Scala: join an iterable of strings

...,"): String = list match { case head :: tail => tail.foldLeft(head)(_ + delim + _) case Nil => "" } – Davos Jul 11 '17 at 14:37 2 ...
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Accessing localhost (xampp) from another computer over LAN network - how to?

I have just set up a wi-fi network at home. I have all my files on my desktop computer (192.168.1.56) and want to access localhost over there from another computer (192.168.1.2). ...
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How to make an introduction page with Doxygen

...tation - very useful for documentation that is necessary but that is not really appropriate to include with your source code (for example, an FAQ) So I would recommend having a mainpage.dox (or similarly named) file in your project directory to introduce you SDK. Note that inside this file you need...
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Internal vs. Private Access Modifiers

... Incidentally, C# 7.2 just added a "protected AND internal" modifier, though the actual keywords chosen, private protected, aren't very intuitive. For details: docs.microsoft.com/en-us/dotnet/csharp/language-reference/… ...
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?

...n I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands: ...
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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. ...