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By bashar
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Spring 4 + Hibernate 4 / Java configuration / rest service example with gradle

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In this post I'll explain the required work to create a rest API utilizing both spring and hibernate version 4, and the configuration will be using java configuration classes not XML. I'll use gradle to build and for dependency management, it's way easier than maven and keeps you focused on the application, if you are not familiar with gradle and interested in it see my previous post about it. The first part which is dependency management is covered in gradle post mentioned above. I'll skip to explain each tier of the project and its configurations: As you can see we have 4 tiers: 1) DAO tier / data tier In this tier we configure the datasource and hibernate, I used HSQL in memory db it can be easily substituted with other db engine providing the right dependencies The DaoConfig defines the data source, transaction manager, session factory and  hibernate properties The most important part is the annotations : 1)  @Configuration  : to tell spring th
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Android RecyclerView - Adding Empty View

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So RecyclerView was introduced to replace List view and it's optimized to reuse existing views and so it's faster and more efficient as stated in the documentation: https://developer.android.com/training/material/lists-cards.html While using it, I faced the issue of missing a useful functionality that is implemented in ListView. that feature is setting an empty view in case there was no records. In ListView it was as simple as this View emptyView = findViewById(R.id.mylist_empty_view); ListView  myList = .... myList.setEmptyView(emptyView); but this method doesn't exist for recycler view so we need a work around until android team fixes this. and here are the screen shots of both list view and recycler view fix List view : Recycler view : here is how I fixed it: here is the content of empty_view, it can be anything. Enjoy.
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[PART 5] NuTracker ReactJS app - Add Login & Profile using Router

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