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  1. Asked: August 19, 2022In: Error

    Way to fix error: the following sections have been defined but have not been rendered for the layout page.

    Best Answer
    dttutoria Expert
    Added an answer on August 19, 2022 at 1:51 pm

    The cause: Although it appears from the code that they do, the error typically indicates that the layout lacks defined sections for those areas. Solution:  Answers to solve "the following sections have been defined but have not been rendered for the layout page" error: Add the "Scripts" section to tRead more

    The cause: Although it appears from the code that they do, the error typically indicates that the layout lacks defined sections for those areas.

    Solution: 

    Answers to solve “the following sections have been defined but have not been rendered for the layout page” error:

    Add the “Scripts” section to the layout body of _Layout.cshtml.

    Sample code for the render and rendersection tags is as follows:

    <body class="bodyBg font_fm">
    <section>
    @RenderBody()
    </section>
    @Scripts.Render("~/bundles/jquery")
    @RenderSection("scripts", required: false)
    </body>
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  2. Asked: August 19, 2022In: Error

    How to fix: the entity type is not part of the model for the current context?

    Best Answer
    dttutoria Expert
    Added an answer on August 19, 2022 at 1:12 pm

    The cause: The MVC entity framework connection string contains incorrect meta data. Several entity models for several databases were used in the project. The connection strings, however, had been replicated to the other databases, and the database settings and credentials had been modified. But neglRead more

    The cause: The MVC entity framework connection string contains incorrect meta data. Several entity models for several databases were used in the project. The connection strings, however, had been replicated to the other databases, and the database settings and credentials had been modified. But neglected to change the names of the entity models in the connectionstring’s meta data part.

    Solution: 

    Names of database models in connection strings should be updated to fix the error the entity type is not part of the model for the current context.

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  3. Asked: August 16, 2022In: c

    How to fix the entity type applicationuser is not part of the model for the current context.?

    Best Answer
    dttutoria Expert
    Added an answer on August 16, 2022 at 10:46 am

    The cause: You'll probably run into this issue if you're utilizing the connection string created while importing the EDMX file using in:base("EDMXConnString"). Solution: By establishing a common connection string that referred to the database containing the ASP.NET Identity tables, you were able toRead more

    The cause:

    You’ll probably run into this issue if you’re utilizing the connection string created while importing the EDMX file using in:base(“EDMXConnString”).

    Solution: By establishing a common connection string that referred to the database containing the ASP.NET Identity tables, you were able to resolve the error: the entity type applicationuser is not part of the model for the current context.

    <add name=MyConnString connectionString=Data Source=server; Initial Catalog=db_name; User ID=user_id; Password=password; Connect Timeout=60; providerName=System.Data.SqlClient />

    It then will work when you use the connection string in :base.

    public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
    {
    public ApplicationDbContext()
    : base(MyConnString)
    {
    }
    }

    To ensure that a context instanciation is not missed, the code should be as follows:

    UserManagerFactory = () => new UserManager<ApplicationUser>(new UserStore<ApplicationUser>(new ApplicationDbContext()));
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  4. Asked: August 12, 2022In: Error

    Solve the ‘runtimewarning: overflow encountered in double_scalars’ error?

    Best Answer
    hdtutoria Expert
    Added an answer on August 12, 2022 at 5:41 am

    The cause: This error usually comes up because the data type you're using can't handle the size of number you're trying to manipulate. For example, the largest number you can manipulate with int32 is 2147483647. Solution: Depending on the size of numbers you're dealing with, setting the data type toRead more

    The cause: This error usually comes up because the data type you’re using can’t handle the size of number you’re trying to manipulate. For example, the largest number you can manipulate with int32 is 2147483647.

    Solution: Depending on the size of numbers you’re dealing with, setting the data type to int64 or float64 might solve the problem.
    E.g.:

    numpy_array = np.array(my_list, dtype=numpy.float64)
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  5. Asked: August 12, 2022In: Error

    Why I get the ‘error: command ‘arm-linux-gnueabihf-gcc’ failed with exit status 1′ error?

    hdtutoria Expert
    Added an answer on August 12, 2022 at 5:31 am

    Solution: You can fix it by installing: sudo apt install python-dev

    Solution: You can fix it by installing:

    sudo apt install python-dev
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  6. Asked: August 12, 2022In: Error

    How to fix the ”manifest merger failed with multiple errors, see logs” error?

    Best Answer
    hdtutoria Expert
    Added an answer on August 12, 2022 at 5:20 am

    The cause: This occurs if you added a service Android Studio automatically adds and there is a conflict if you add a second service line of the type you wanted to create. Solution: The solution for this error is: To check : Android manifest file. duplicate or wrong file to add. Gradle file to checkRead more

    The cause: This occurs if you added a service Android Studio automatically adds and there is a conflict if you add a second service line of the type you wanted to create.

    Solution: The solution for this error is: To check :

    • Android manifest file. duplicate or wrong file to add.
    • Gradle file to check the latest version is compatible or other version is available so install Build Sdk. Next ->install and finish To complete run your program.

    To check Layout file is Recources not available.

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  7. Asked: August 12, 2022In: Error

    How to deal with ”getbluetoothservice() called with no bluetoothmanagercallback” error?

    Best Answer
    hdtutoria Expert
    Added an answer on August 12, 2022 at 4:14 am

    The cause: This error occurs whenever several Bluetooth sockets are opened simultaneously. Solution: Opening 1 socket at a time is the best solution for this error. 

    The cause: This error occurs whenever several Bluetooth sockets are opened simultaneously.

    Solution: Opening 1 socket at a time is the best solution for this error. 

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