"$__" is not allowed [closed] - json

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I use Joi for validation.
I send a POST request with Postman and get this response "$__" is not allowed.
Can't find any reference related to that.

Don't use Joi, mongoose has its own validator.
Write your own validation on the Model declaration.

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Cannot GET /Forms%20%5E&%20Input.html [closed]

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Cannot GET /Forms%20%5E&%20Input.html
this is the error i am getting while learning html
I am expecting an accurate answer from anyone but be quick.

resetAuth() not called for connectors with AuthType.NONE [closed]

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Why is resetAuth function not called when revoking credentials for Google Data Studio Community Connectors with AuthType.NONE? I store some values in PropertiesService for every user and would like to erase them once they revoke the access to the connector. I don't get it why for example for AuthType.OAUTH2connectors resetAuth is called but for AuthType.NONE it is not?
It is a valid use case that is currently not supported. resetAuth() won't get called for AuthType.NONE. You can make a feature request for this.
In the meantime, I suggest using AuthType.KEY, instructing your users to put in any value for KEY, returning true for isAuthValid, and then using resetAuth() to remove the values from PropertiesService. Not the cleanest solution but a potential workaround.

Cannot find UploadedFiles class for import in PrimeFaces [closed]

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In my jsf managed bean file I am not able to import the UploadedFiles class of PrimeFaces; No dependency seems to contain it.
I tried upgrading PrimeFaces jar version to 7 but didn't find in it also.
I want multiple file upload feature.
Any help will be appreciated.
UploadedFiles was introduced in PrimeFaces 8

I dont't know error phpmyadmin "undefined" [closed]

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I will make a table, as many as 62 fields. when it will be saved there appears an error like the following:
Go to image
Please help.
try clearing your browser cache and restarting your browser. Also, have a look at a similar problem here on SO:
PHPMyAdmin Undefined Index: Rows

How to fix this Optional String error [closed]

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How to fix this error in swift-
unexpectedly found nil while unwrapping an optional value
I would recommend you to use this form while you are using SwiftyJSON.
result["RewardName"].stringValue
But before that I would check it if the "RewardName" actually exists by ;
if result["RewardName"] != JSON.null {
// Your code with parsing
}
Hop it helps!