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Getting activity from context in android

...ranteed that the context you are working with is an Activity Context or an Application Context. Try passing an Application Context to a DialogView, watch it crash, and you will see the difference. – Sky Kelsey Aug 1 '12 at 23:10 ...
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Android Studio doesn't see device

... To change what your application defaults to when you click run or debug in Android Studio, follow these steps: 1. go to Run 2. Click on Edit Configurations 3. Select the project 4. find the Target Device section under the General tab on th...
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Is there any Rails function to check if a partial exists?

...ender :partial => "#{dynamic_partial}" if File.exists?(Rails.root.join("app", "views", params[:controller], "_#{dynamic_partial}.html.erb")) %> share | improve this answer | ...
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HttpListener Access Denied

...a non-administrative user, even for http://localhost:80/? I have a desktop application that needs to receive one request on such a URL, and it seems a shame to require that an administrator install it on 50 desktops, just for this one purpose. – John Saunders J...
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Purge or recreate a Ruby on Rails database

...ren't run per se (so if you have migrations which insert data, that won't happen; for this, you should really use a db/seeds.rb file). – plindberg Mar 22 '11 at 14:24 1 ...
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How do I verify jQuery AJAX events with Jasmine?

... type: "GET", url: "/products/" + id, contentType: "application/json; charset=utf-8", dataType: "json" }); } For Jasmine 2.0 use instead: expect($.ajax.calls.mostRecent().args[0]["url"]).toEqual("/products/123"); as noted in this answer Here is a similar unit...
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Android SQLite DB When to Close

...t. this will prevent multiple manipulations to the database and save your application from a potential crash so in your singleton, you might have a method like this to get your single SQLiteOpenHelper object: private SQLiteDatabase db; private MyDBOpenHelper mySingletonHelperField; public MyDBOpe...
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Get environment variable value in Dockerfile

I'm building a container for a ruby app. My app's configuration is contained within environment variables (loaded inside the app with dotenv ). ...
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How to make the corners of a button round?

...#ABABAB"/> <corners android:radius="10dp"/> </shape> Apply this as background to button you want make corners round. Or you can use separate radius for every corner like below android:bottomRightRadius="10dp" android:bottomLeftRadius="10dp" android:topLeftRadius="10dp" androi...
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Can you change a path without reloading the controller in AngularJS?

...parameter, update $scope.view.template. And then those template could be wrapped with something like <div ng-controller="itemFooCtrl">... your template content...</div>. EDIT: Nice to see you solved, it would be great if you updated your question with how you solved, perhaps with a jsFid...