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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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How can I create tests in Android Studio?

... 10 minutes, you will be all set up to start adding your tests to your own app. I think you'll be surprised how easy it is. I certainly was. Intro to Android Testing There are two different types of tests that you will do. Local unit tests. These are run locally on the JVM (Java Virtual Machine). S...
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NodeJS: Saving a base64-encoded image to disk

My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data". ...
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How to get the Android device's primary e-mail address

...suse a user's email address or other personal information, bad things can happen. Method A: Use AccountManager (API level 5+) You can use AccountManager.getAccounts or AccountManager.getAccountsByType to get a list of all account names on the device. Fortunately, for certain account types (includi...
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How do I pass an object from one activity to another on Android? [duplicate]

I need to be able to use one object in multiple activities within my app, and it needs to be the same object. What is the best way to do this? ...
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]

...Corona? ecc. Sometimes I hear it said that there are essentially two approaches to cross-platform mobile apps. You can either use an embedded browser control and write a web app wrapped as a native app, as in Adobe PhoneGap/Cordova or the similar approach taken by Sencha, or you can us...
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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? ...
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

I have my first node.js app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue. ...
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Auto start node.js server on boot

... p.s. I found the thing so useful that I built an even easier to use wrapper around it (npm, github). Installing it: npm install -g qckwinsvc Installing your service: > qckwinsvc prompt: Service name: [name for your service] prompt: Service description: [description for it] prompt: Node ...
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Developing GUIs in Python: Tkinter vs PyQt [closed]

...he ones used by your operating system. I tweaked my XP theme and now my apps skin accordingly. This creates a very professional look, not comparable with a toolkit like Swing. The API is extensive and goes beyond the pure GUI things like widgets. It has support for database connectivity, printing...