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What is the difference between sigaction and signal?

I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose? ...
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Is volatile expensive?

...rites can in fact be faster then with multiple processors. There are some applications that would in fact run faster concurrently with a single CPU then multiple. share | improve this answer ...
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C++ equivalent of java's instanceof

... call. It also works regardless of RTTI is enabled or not. Note that this approach doesn't support multiple levels of inheritance so if you're not careful you might end with code looking like this: // Here we have a SpecialBox class that inherits Box, since it has its own type // we must check for...
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Unit testing code with a file system dependency

...reated -- and that you don't accidentally overwrite an existing file that happened to have the same filename as a temporary file you were using. Always use relative paths and not absolute paths. It would also be a good idea to chdir() into a temporary directory before running your test, and chdir(...
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ASP.NET WebApi vs MVC ? [closed]

...i are obvious and it would be worthy to add another complexity layer to my applications. 10 Answers ...
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP

...o your SQL Server with user "xyz/ASPNET" - that's the account your ASP.NET app is running under. This account is not allowed to connect to SQL Server - either create a login on SQL Server for that account, or then specify another valid SQL Server account in your connection string. Can you show us ...
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Why is @font-face throwing a 404 error on woff files?

...ncing this same symptom - 404 on woff files in Chrome - and was running an application on a Windows Server with IIS 6. If you are in the same situation you can fix it by doing the following: Solution 1 "Simply add the following MIME type declarations via IIS Manager (HTTP Headers tab of website p...
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Handling click events on a drawable within an EditText

... It looks like fuzz effectively makes the tappable area a bit larger, making it easier to tap the small drawable. – ban-geoengineering Jan 18 '17 at 9:07 ...
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“unrecognized selector sent to instance” error in Objective-C

... exactly right. Was following the Stanford iOS class on iTunesU when this happened. Thanks again for your answer! – Marshall Alsup Jul 10 '12 at 7:11 1 ...
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Why is it not possible to extend annotations in Java?

...m. And this would be a fairly unique type system, so you could not simply apply an OO type paradigm. Think through all the issues when you introduce polymorphism and inheritance to an annotation (e.g. what happens when sub-annotation changes meta-annotation specs such as retention?) And all thi...