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How can I sort a List alphabetically?

...ator.getInstance()); Solution with a TreeSet If you are free to decide, and if your application might get more complex, then you might change your code to use a TreeSet instead. This kind of collection sorts your entries just when they are inserted. No need to call sort(). Collection<String&g...
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Inputting a default image in case the src attribute of an html is not valid?

...tatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such"> </object> </p> </body> </html> Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a re...
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How to add a border just on the top side of a UIView

... I consider subclassing UIView and overriding drawRect overkill here. Why not add an extension on UIView and add border subviews? @discardableResult func addBorders(edges: UIRectEdge, color: UIColor, inset: CGFloat = 0.0, ...
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Should I pass a shared_ptr by reference? [duplicate]

...are minefield. So std::vector<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it is never clear who owns the objects whose pointers the container stores. The pointers could even be a mix of pointers to dyn...
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Do you leave parentheses in or out in Ruby? [closed]

...ve out empty parentheses The parentheses can be left out of a single command that is surrounded by ERb delimiters -- the ERb markers make sure the code is still readable A line that is a single command and a single simple argument can be written without the parenthesis. Personally, I fin...
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How to remove the underline for anchors(links)?

Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ? 15 Answers ...
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How to sort findAll Doctrine's method?

...own, yes it's possible, although it adds significant fat to the controller and isn't DRY. You should really define your own query in the entity repository, it's simple and best practice. use Doctrine\ORM\EntityRepository; class UserRepository extends EntityRepository { public function findAll...
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Pointer vs. Reference

... Explain what you mean by arithmetic. A new user may not understand that you want to adjust what the pointer is pointing at. – Martin York Sep 22 '08 at 16:30 7 ...
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When do you use varargs in Java?

...at("This is an integer: %d", myInt); String.format("This is an integer: %d and a string: %s", myInt, myString); share | improve this answer | follow | ...
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When is finally run if you throw an exception from the catch block?

...is the finally block called? Before the throwing of e or is finally called and then catch? 7 Answers ...