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How to configure port for a Spring Boot application

... Actually command line option is --server.port=8090 not -Dserver.port=8090. docs.spring.io/spring-boot/docs/current/reference/html/… – Opster ES Ninja - Alper Aug 19 '15 at 6:39 ...
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Why can outer Java classes access inner class private members?

...he inner class is just a way to cleanly separate some functionality that really belongs to the original outer class. They are intended to be used when you have 2 requirements: Some piece of functionality in your outer class would be most clear if it was implemented in a separate class. Even thoug...
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Difference between a Factory, Provider and a Service?

...ind of context Provider: Provider is something microsoft "invented" (basically an abstract factory pattern) that is a way of doing a factory of factories, or having a common factory interface which allows factories to be swappable. It is used all over in the MS web stack as a way to keep components...
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Scala: what is the best way to append an element to an Array?

... @Daniel Yes, I've just have a small memory hole when I wrote the comment and I didn't find the obvious word "sequence" – Nicolas Sep 21 '11 at 14:37 ...
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Checking if a string is empty or null in Java [duplicate]

... @HonzaKalfus "Calling isEmpty() returns true for string containing whitespace character" - That is not true! " ".isEmpty() returns false – MestreLion Sep 1 '17 at 1:59 ...
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What's the difference between .bashrc, .bash_profile, and .environment?

...or login at the text console of a local unix machine). these are the ones called, say, .login or .profile or .zlogin (depending on which shell you're using). Then you have config files that are read by "interactive" shells (as in, ones connected to a terminal (or pseudo-terminal in the case of, say...
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Generate fixed length Strings filled with whitespaces

... is a String and 15 represents the minimal width of the String. Putting it all together: "%1$15s". For a general method we have: public static String fixedLengthString(String string, int length) { return String.format("%1$"+length+ "s", string); } Maybe someone can suggest another format str...
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How to add a touch event to a UIView?

...ler) UITapGestureRecognizer *singleFingerTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)]; [self.view addGestureRecognizer:singleFingerTap]; //The event handling method - (void)handleSingleTap:(UITapGestureRe...
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Override intranet compatibility mode IE8

...lt;meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> Basically if you trigger conditional IE comments before the <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> statement then you will be forced into compatibility mode in an Intranet environment if you are runni...
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Aborting a shell script if any command returns a non-zero value?

...vokes a number of commands. I would like to have the shell script automatically exit with a return value of 1 if any of the commands return a non-zero value. ...