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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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ASP.NET MVC controller actions that return JSON or partial html
...he JsonRequestBehavior.AllowGet; without this MVC was returning a HTTP 500 error (with dataType: json specified on the client).
Add cache: false to the $.ajax call, otherwise you will ultimately get HTTP 304 responses (instead of HTTP 200 responses) and the server will not process your request.
Fina...
How to quickly check if folder is empty (.NET)?
...irst file",
Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()));
}
throw new DirectoryNotFoundException();
}
I hope it will be useful for somebody in the future.
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Reuse Cucumber steps
...has changed in recent versions of cucumber, which you'll see if you get an error like "WARNING: Using 'Given/When/Then' in step definitions is deprecated, use 'step' to call other steps instead:/path/to/step_definitions/foo_steps.rb:631:in `block in '
". See the cucumber wiki for details.
The gist ...
android TextView: setting the background color dynamically doesn't work
... The android API is really something, why couldn't it throw an error?
– Tawani
Sep 23 '09 at 17:05
54
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How does the “final” keyword in Java work? (I can still modify an object.)
... of the class. Again, if the variable is static then it is a compilation error.
18 Answers
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How is null + true a string?
...overload resolution fails to select a single best operator, a binding-time error occurs.
So, let's walk through this in turn.
X is the null type here - or not a type at all, if you want to think of it that way. It's not providing any candidates. Y is bool, which doesn't provide any user-define...
Linux, Why can't I write even though I have group permissions?
I want to create a file in a directory owned by the staff group which I am a member of. Why can I not do this?
6 Answers
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How persistent is localStorage?
I'm depending heavily on localStorage for a plugin I'm writing. All the user settings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
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Replace multiple whitespaces with single whitespace in JavaScript string
...hitespaces. Maybe you can help me to understand why. I guess it's a chrome error? Try running my code in chrome console and let me know.
– Roger Gajraj
Sep 13 '15 at 5:05
add ...