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Server is already running in Rails

When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids ...
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Python - Get path of root project structure

...to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path. In the simplest case, __init__.py can just be an empty file, but it can also execute initialization code for the package or set the __all__ variable, descr...
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If I revoke an existing distribution certificate, will it mess up anything with existing apps?

...er weeks of trying to get the guy who has the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certificate, and then re-assign one, will I then be able to sign the app and upload it ...
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String comparison using '==' vs. 'strcmp()'

... @onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
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How to serialize SqlAlchemy result to JSON?

...ps(e, cls=new_alchemy_encoder(), check_circular=False) This would encode all children, and all their children, and all their children... Potentially encode your entire database, basically. When it reaches something its encoded before, it will encode it as 'None'. A recursive, possibly-circular, s...
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onConfigurationChanged not getting called

... event. The problem is that the method, which I override, is not getting called when I change the orientation of the phone. Not getting called at all. ...
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What's the opposite of head? I want all but the first N lines of a file

Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time. ...
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ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file

...Oracle\Java\javapath;C:\Program Files (x86)\Java\jre6\bin;C:\WINDOWS\System32\WindowsPowerShell\v1.0\ (and many other entries) share | improve this answer | follow ...
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Difference between DirectCast() and CType() in VB.NET

... HemanthaHemantha 33322 silver badges77 bronze badges add a comment ...
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Otherwise on StateProvider

...an I use the otherwise method on $stateProvider or how can I use it at all ? 6 Answers ...