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oscar garcia
ozkary (TM)
ozkary (TM)
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Xamarin Android WebView Authentication
The WebView browser component is commonly used to render web
content within a native application layout. It is often the case that the
content is secured, so it requires for the app to authenticate with the Web server
first.  When using the WebView componen...
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Xamarin Android Class Not Found Exception
The Class Not Found Exception is commonly raised when the class loader tries to find an activity or a
broadcast receiver class listed on the app manifest, but it fails to find it. Common
examples can be a splash activity with no layout to show an animation,...
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Xamarin Android Build Java Exited with Code 1 ProGuard
When building a Xamarin Android app and using the option to
Enable ProGuard, we may get the following error: error MSB6006: "java.exe" exited with code 1 Note : Proguard is a file shrinker/optimizer which is often used on a release version. This can
be foun...
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Xamarin Android Device Mac and IP Address on a WebView JavaScript App
When using JavaScript applications with any framework, we
cannot get access to some of the device information like the MAC and IP Address because
JavaScript runs on an Isolated Sandbox due to security concerns. When building hybrid applications using the We...
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Complex Joins .NET Core 2.0 Entity Framework and SQL Server
With this article, we take a look at building a console
application using .NET Core 2.0 and Entity Framework (EF). The goal is to show
how to start a project with .Net core, install the dependencies and run a small
test to extract data from a SQL Server dat...
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Single Model from a Multi-Join Query .Net Core Entity Framework SQL Server
When building data solutions with Entity Framework (EF), we tend
to create entity models for each table that we need.  For instances when we need to join multiple
tables, we either create a SQL Server view and bound EF Model or join the data
entities using ...
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Realtime Apps Nodejs, Angular, Socket.io, TypeScript & Redis
On this presentation, we take a look at moving away from traditional API polling integration into a real-time integration in which the client app uses a persistent connection to the server for bidirectional communication and live data streaming.  We also ta...
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Realtime Apps Nodejs, Angular, Socket.io, TypeScript & Redis
On this presentation, we take a look at moving away from traditional API polling integration into a real-time integration in which the client app uses a persistent connection to the server for bidirectional communication and live data streaming.  We also ta...
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Angular Typescript Reactive Multi-Option Filter
A common web application feature is to provide multi-option filter capabilities to data grids. With AngularJS, a common pattern is the use the built-in filter. This however is not available on new versions of Angular due to performance issues. With this art...
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