mynews | Personalized news feed parser & broadcast

I have a problem with CreateAsync, it wants IOrderedQueryable. I need to read just two records (Id,Title) from my News table and pass them to my ViewModel but it doesn't let me pass RetValue (list type) in CreateAsync.

I use this library https://github.com/step-up-labs/firebase-database-dotnet to retrieve items from firebase, then display it to datagrid in realtime.

But I got stuck when displaying it, based on the link above to get realtime streaming, I need to use this code:

I am learning Xamarin, I would like to get the idex of the tapped element in my CarouselView

Here is the Xaml code:

I've an android app, who send notifications every day once via NotificationActivity if User check a slider to enable notifications My problem is simple: when I launch NotificationActivity from MainActivity, app crashes

I've an android app, who send notifications every day once via NotificationActivity if User check a slider to enable notifications My problem is simple: when I launch NotificationActivity from MainActivity, app crashes Logs tells me that come from views that provides nullPointerException :

I think my views (editText, slider, checkboxes) that are in NotificationActivity are not correctly binded

error :

I'm playing with Swift and JSONPlaceholder. I want to retrieve all the data contained in: https://jsonplaceholder.typicode.com/photos

I created a function that is acceding to the url, downloading the JSON but then I don't know how can I obtain the title and the thumbnailUrl to pass then for populate the tableView. In the past I used this code but now it's not working because on the JSONPlaceholder there are no array.

Any help for re-arrange the code for read and obtain the jsonplaceholder elements?

It is known that URL with querystring parameter can be rewritten with .htaccess. For example

How to redirect and change last one in subfolder if querystring has multiple parameters. If in case of only one parameter removing subfolder ? I can redirect only one, but when I tried for two parameters, it become messed.

I'm trying to upload a file through FileUploadUI::widget in yii2 advanced. But I can't achieve my goal. I don't know what the problem is, but the file doesn't appear in the folder I wish to upload to.

this is my view

I would like to use the "element xml {" syntax. However, I have been received error:

XDMP-UNEXPECTED: (err:XPST0003) Unexpected token syntax error, unexpected Rbrace_, expecting Function30_ or Percent

and the last right brace is highlighted. I have tried unquote, but this does not give the correct effect.

I have attached the code below.