Posts by Gean Miguel • 362 points
12 posts
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3
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answer72
viewsA: Error in left Join Linq - Dbcomparisonexpression requires Arguments with comparable types
I believe the cause of your problem query is in the properties that are Nullable types. A int nullable may receive a int, but in the passage from its select new {} you’re doing the reverse, passing…
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answer146
viewsQ: LINQ Lambda | Query Syntax VS Method Syntax Performance
Doubt regarding the construction and performance of querys using Query Syntax and Method Syntax / LINQ Query Syntax: var VendorQuery = from v in vendors where v.CompanyName.Contains("Toy") orderby…
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answer160
viewsA: Error stating that Activity was not declared on Androidmanifest.xlm?
What can happen is that you have one more file loginActivity or it does not exist in this directory. To make sure that there is or which one you are pointing to, specify the full path of Activity to…
androidanswered Gean Miguel 362 -
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answer39
viewsA: java.net.Proxy problem with Marshmallow and versions below
In principle the versions below API 24 is not to influence this type of connection. However, if you are using exactly API 24 or above, you may be experiencing security issues such as certificates,…
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2
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answer45
viewsA: Android Htppget URL Connection
I believe the problem lies in this excerpt of the code: url = new URL("https://splitfz.000webhostapp.com/login.php?username="+ username +"&password="+ password +""); Note that you are passing…
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answer718
viewsA: Delete a log from firebase auth
Very likely the user is returning null. The cause of him returning null may be connected to Authentication. You are authenticating the user? Perform a validation on your Activity as an example…
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4
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answers601
viewsA: Posts Firebase in English
You can customize messages through the Firebase. Such changes can be made in the options below: E-mail check Password reset E-mail change SMS verification To configure your project Firebase so that…
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answer188
viewsA: Can’t Convert error Object of type
I believe the problem with your code is the method listarFeed() on the stretch below: for (DataSnapshot ds : dataSnapshot.getChildren()) { listaFeed.add(ds.getValue(Feed.class)); } Do a test without…
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answer181
viewsQ: What is the difference between using "equals" vs == in LINQ to Entities?
As quoted above, when I say equals from LINQ to Entities I am referring specifically to the reserved word of C# and not to the Equals() of System.Object. Source: equals (Reference of C#) The…
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answer40
viewsQ: Use of Syntaxtree
I’m studying C# and came across the SyntaxTree while reading about Roslyn. I also read the documentation of Microsoft itself on the link: Introduction to syntax analysis However I still have two…
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2
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answer211
viewsA: Move an image of an Activity to the main screen
I recommend that you pass your image through Intent, However, before you should convert the image to Bitmap and only then pass it via extra Intent To move your image from the first Activity to the…
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answers40
viewsA: Error trying to run firebase forgot-password
Luis, Apparently it is sending an object with null reference. You did not prompt your variable "auth". All you have to do is instantiate it like this in your onCreate(): auth =…