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How to check whether a file or directory exists?

I want to check the existence of file ./conf/app.ini in my Go code, but I can't find a good way to do that. 5 Answers ...
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Which websocket library to use with Node.js? [closed]

...you have no idea about what to use, are not in the mood for rewriting your application when you need to switch frameworks because of changing project requirements or need additional connection stability. Where to test: Firecamp is a GUI testing environment for SocketIO, WS and all major real-time...
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node.js global variables?

... bigger this will become a nightmare to maintain. Please take a look at my approach. – Oliver Dixon Feb 29 '16 at 17:54  |  show 2 more commen...
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Should everything really be a bundle in Symfony 2.x?

... for services, src/Vendor/Bundle — for bundles, like src/Vendor/Bundle/AppBundle, etc. This way, you would put in the AppBundle only that stuff that is really Symfony2 specific. If you decide to switch to another framework later, you would get rid of the Bundle namespace and replace it with the c...
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How to open standard Google Map application from my application?

Once user presses button in my application, I would like to open standard Google Map application and to show particular location. How can I do it? (without using com.google.android.maps.MapView ) ...
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include external .js file in node.js app

I have an app.js node application. As this file is starting to grow, I would like to move some part of the code in some other files that I would "require" or "include" in the app.js file. ...
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No route matches [GET] /assets

I have a Rails app that I'm trying to test in the production environment. I ran RAILS_ENV=production rake assets:precompile which generated all of my assets in /public/assets. The problem is that when I start my app w/ RAILS_ENV=production rails s thin I get: ...
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Request is not available in this context

...IS7 Integrated mode: Request is not available in this context exception in Application_Start: The “Request is not available in this context” exception is one of the more common errors you may receive on when moving ASP.NET applications to Integrated mode on IIS 7.0. This exception...
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TemplateDoesNotExist - Django Error

... Make sure you have rest_framework listed in your settings.py INSTALLED_APPS. share | improve this answer | follow | ...
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How do I hide the status bar in a Swift iOS app?

... I think Jay's intention is to hide the status bar for complete app. That's why he would have written hide functionality in application's didFinishLaunchingWithOptions. How to hide status bar for complete app? – Satyam Dec 13 '14 at 6:34 ...