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The identity used to sign the executable is no longer valid

I have an application that I am debugging on iPad. 2 days ago I wanted to debug a same updated application but I am having this error. ...
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Android - Launcher Icon Size

...are also required to give a large version of your icon when uploading your app onto the Google Play Store and this should be WEB 512 x 512. This is so large so that Google can rescale it to any size in order to advertise your app throughout the Google Play Store and not add pixelation to your logo. ...
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Easiest way to pass an AngularJS scope variable from directive to controller?

...inds to a DOM attribute which is always a string. That is why we are wrapping it in curly braces so that it can be interpolated. --> <my-component attribute-foo="{{foo}}" binding-foo="foo" isolated-expression-foo="updateFoo(newFoo)" > <h2>Attribute</h2&g...
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How do I setup a SSL certificate for an express.js server?

...em' ); https.createServer({ key: privateKey, cert: certificate }, app).listen(port); Other options for createServer are at: http://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener shar...
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How can I convert a stack trace to a string?

...se Throwable.printStackTrace(PrintWriter pw) to send the stack trace to an appropriate writer. import java.io.StringWriter; import java.io.PrintWriter; // ... StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); e.printStackTrace(pw); String sStackTrace = sw.toString(); // ...
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What does @hide mean in the Android source code?

...aces, whether directly, via reflection, or via JNI. These restrictions are applied whenever an app references a non-SDK interface or attempts to obtain its handle using reflection or JNI. But before API level 28, the hidden methods could still be accessed via Java reflection. The @hide attribute i...
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode

Say I set base SDK to 7, what does it mean? It could mean that the app would run on iOS 7. But that's what iOS deployment target is for. ...
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How can I install MacVim on OS X?

... upgrade them. This includes the installation of the CLI mvim and the mac application (which both point to the same thing). I use this setup and it works like a charm. Brew even takes care of installing vim with the preferable options. ...
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This IP, site or mobile application is not authorized to use this API key

...the url, it requires the server key in the end and not the api key for the app. So Basically, you just add the server key in the end of the URL like this: https://maps.googleapis.com/maps/api/place/nearbysearch/json?location=yourlatitude,yourlongitude&radius=5000&sensor=true&key=SERVER...
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JSON serialization of Google App Engine models

...success. My project isn't using Django, is there a simple way to serialize App Engine models (google.appengine.ext.db.Model) into JSON or do I need to write my own serializer? ...