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What does the unary plus operator do?
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It's there to be overloaded if you feel the need; for all predefined types it's essentially a no-op.
The practical uses of a no-op unary arithmetic operator are pretty limited, and tend to relate to the consequences of using a value in an arithmetic expression, rather than the ...
Use a normal link to submit a form
...ipt fails, it can break the whole website (e.g. using a CDN without local fallback and the third-party domain is blocked). If there is an HTML error, you can still use the website. Developers should follow progressive enhancement principle instead.
– baptx
Oct ...
“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
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@krozero try installing all packages again that might help you
– Hanzla Habib
Jul 10 at 5:03
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Why is Github asking for username/password when following the instructions on screen and pushing a n
...after reading stackoverflow.com/a/10126412/29347, I don't think github normally gives me a repo remote as HTTPS which caused some confusion.
– Kit Sunde
Jun 6 '12 at 6:41
2
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Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...c final class FilePathHelper {
private FilePathHelper() {
//not called
}
}
This prevents the default parameter-less constructor from being used elsewhere in your code. Additionally, you can make the class final, so that it can't be extended in subclasses, which is a best practice for ...
Is there a label/goto in Python?
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Just a notice: loopfunc will generally require inputs and some more effort to implement, but it is the best way in most cases I think.
– kon psych
May 20 '16 at 18:43
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How does this program work?
...g arguments.
and from 6.5.2.2/6,
If the expression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on each argument, and arguments that have type float are promoted to double. These are called the default argument promotions.
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No Persistence provider for EntityManager named
...name using TopLink under the META-INF directory.
Then, I have my code calling it with:
30 Answers
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Lists: Count vs Count() [duplicate]
...ount property is part of the List itself (derived from ICollection). Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List.
To prove my point further, here's t...
How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
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