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Bash: If/Else statement in one line

... Is it necessary to re-direct the output of the ps command to a file ? Would this not work ? if ps aux | grep some_proces[s]; then echo 1; else echo 0; fi. Locally it seems to work for me. Is it because OP had the redirection in the command he tried? – user...
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Override ActiveRecord attribute methods

...that the original poster specified (feeding the name to super) works fine, and IMHO is cleaner than manually writing the attribute as Aaron suggests. – Batkins Nov 23 '11 at 20:46 ...
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Difference between Label and TextBlock

... control. It derives directly from FrameworkElement. Label, on the other hand, derives from ContentControl. This means that Label can: Be given a custom control template (via the Template property). Display data other than just a string (via the Content property). Apply a DataTemplate to its cont...
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Importing a Swift protocol in Objective-C class

...however, you can add the protocol to the private @interface in the .m file and it fixes things (at least it has for me on occasion). So above your @implementation have @interface MyController() <AnalyticProtocol>. – Adam Oct 5 '15 at 19:36 ...
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events

...is you can either use a data migration or manually (manage.py shell) go in and update non-compliant values – mgojohn Oct 26 '14 at 23:13 ...
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jQuery posting valid json in request body

...fortunately I'm having a hard time determining first, if this is happening and 2nd what the object looks like that is being sent to the server. All I know is that the server is not parsing what I'm sending. ...
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How to detect modifier key states in WPF?

...lution. It also allows you to check all modifiers at once. If you want to handle Ctrl+F, you won't want to handle Ctrl+Shift+F, so you could just check for (e.Key == Key.F && e.KeyboardDevice.Modifiers == ModifierKeys.Control) instead of all the other stuff... – ygoe ...
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How do you tell a specific Delayed::Job to run in console?

...te anything even though I've restarted it several times, even kill -9'd it and restarted it. It won't run any jobs. 3 Answe...
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How do I pass parameters to a jar file at the time of execution?

...ocumentation says: java [ options ] -jar file.jar [ argument ... ] and ... Non-option arguments after the class name or JAR file name are passed to the main function... Maybe you have to put the arguments in single quotes. ...
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How to get the currently logged in user's user id in Django?

... First make sure you have SessionMiddleware and AuthenticationMiddleware middlewares added to your MIDDLEWARE_CLASSES setting. The current user is in request object, you can get it by: def sample_view(request): current_user = request.user print current_user....