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How do I use the nohup command without getting nohup.out?
...to close input manually. While closing input has no effect on the creation or not of nohup.out, it avoids another problem: if a background process tries to read anything from standard input, it will pause, waiting for you to bring it back to the foreground and type something. So the extra-safe versi...
insert vs emplace vs operator[] in c++ map
I'm using maps for the first time and I realized that there are many ways to insert an element. You can use emplace() , operator[] or insert() , plus variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I sti...
XSD: What is the difference between xs:integer and xs:int?
I have started to create XSD and found in couple of examples for xs:integer and xs:int .
3 Answers
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Creating an empty file in C#
...ind you. You could use braces instead:
using (File.Create(filename)) {}
Or just call Dispose directly:
File.Create(filename).Dispose();
Either way, if you're going to use this in more than one place you should probably consider wrapping it in a helper method, e.g.
public static void CreateEmp...
What is the use of the @ symbol in PHP?
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It suppresses error messages — see Error Control Operators in the PHP manual.
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NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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How to build Qt for Visual Studio 2010
I struggled finding a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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Difference between initLoader and restartLoader in LoaderManager
...tion you need to dig into the LoaderManager code.
While the documentation for LoaderManager itself isn't clear enough (or there wouldn't be this question), the documentation for LoaderManagerImpl, a subclass of the abstract LoaderManager, is much more enlightening.
initLoader
Call to initializ...
No route matches [GET] /assets
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In production mode, Rails will not be responsible for serving static assets. Therefore, you are getting this error. Thin won't do it either, since it's just a wrapper around Rails.
This is controlled by this setting in config/environments/production.rb in your application:
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...ecked at compile-time.
It is the out-of-bounds literal that causes the error, not the assignment:
System.out.println(2147483648); // error
System.out.println(2147483647 + 1); // no error
By contrast a long literal would compile fine:
System.out.println(2147483648L); // no error
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