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Why doesn't 'ref' and 'out' support polymorphism?
...nks for the great question.
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Let's suppose you have classes Animal, Mammal, Reptile, Giraffe, Turtle and Tiger, with the obvious subclassing relationships.
Now suppose you have a method void M(ref Mammal m). M can both read and write m.
Can you pass a variable of type Animal ...
SQLiteDatabase.query method
I am using the query method of SQLiteDatabase. How do I use the query method?
5 Answers
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Embedding JavaScript engine into .NET [closed]
just wondering if anyone has ever tried embedding and actually integrating any js engine into the .net environment. I could find and actually use (after a LOT of pain and effort, since it's pretty outdated and not quite finished) spidermonkey-dotnet project. Anyone with experience in this area? En...
Stretch and scale a CSS image in the background - with CSS only
I want that my background image stretch and scale depending on the browser viewport size.
22 Answers
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How to programmatically set style attribute in a view
I'm getting a view from the XML with the code below:
11 Answers
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How does MySQL process ORDER BY and LIMIT in a query?
I have a query that looks like this:
7 Answers
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NodeJS / Express: what is “app.use”?
...ware 'layers' to the middleware stack. Notice that the routes are blank, meaning that when I added those middleware layers I specified that they be triggered on any route. If I added a custom middleware layer that only triggered on the path /user/:id that would be reflected as a string in the route ...
How to find foreign key dependencies in SQL Server?
How can I find all of the foreign key dependencies on a particular column?
13 Answers
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Python: try statement in a single line
Is there a way in python to turn a try/except into a single line?
12 Answers
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Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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