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kandi X-RAY | playground Summary
kandi X-RAY | playground Summary
The playground is a place that can be used to show your wonderful cases, and can also be used to visually debug the code, online website is here.
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QUESTION
I have the following two interfaces, one which allows a nullable vin
, the other that doesn't:
ANSWER
Answered 2021-Jun-15 at 18:49You can use a type predicate to define a user-defined type guard like this:
QUESTION
Consider the following code:
...ANSWER
Answered 2021-Jun-15 at 18:22i think you are looking for this:
QUESTION
WWDC21 introduces Swift 5.5, with async/await. Following the Explore structured concurrency in Swift and Meet async/await in Swift WWDC21 sessions, I'm trying to use the async let function.
Here's my Playground code:
...ANSWER
Answered 2021-Jun-11 at 00:14My advice would be: don't try this in a playground. Playgrounds aren't ready for this stuff yet. Your code compiles and runs fine in a real project. Here's an example:
QUESTION
I want a function that takes two arguments, both of which can be turned into an iterator of Foo
. The snag is that I'd like to accept things which are both IntoIterator
and also IntoIterator<&Foo>
. Importantly Foo
is Copy
so I can cheaply create an owned copy from it's reference.
The solution I currently have is:
...ANSWER
Answered 2021-Jun-15 at 12:22First of all, you don't need exactly IntoIterator
bound here. It's just enough for Iterator
.
QUESTION
I'm developing a simple navigator with mapbox API for Android.
I'm creating some routes using https://docs.mapbox.com/playground/directions/ playground and i would like to use the generated JSON to generate a DirectionsRoute
object.
So i call DirectionsRoute.fromJson()
but when i do it, the application crashes with this error:
ANSWER
Answered 2021-Jun-15 at 08:12The response from the mapbox API is not DirectionsRoute
. It is DirectionsResponse
, a structure that looks like this:
QUESTION
I'm confused why a type that implements comparable
isn't "implicitly comparable", and also why certain syntaxes of sortWith
won't compile at all:
ANSWER
Answered 2021-Jun-11 at 10:35// Works but won't sort eq millis
val records = iter.toArray.sortWith(_.event_time.getTime < _.event_time.getTime)
QUESTION
I have a recursive structure, where field of a structure is a reference to other struct of same type:
...ANSWER
Answered 2021-Jun-14 at 12:14You are using a &, but want a &mut, rust references are immutable by default: Playground: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=be82b8ba01dff60e106af9e59df8228e
QUESTION
I am trying to use multiple files in SwiftUI playground. I added some code in a separate file in sources. I just want the sheet view to appear when the button is tapped. Even though I have made the struct public but I still get the error as " SecondView initializer is inaccessible due to internal protection level "
Here's the code:
...ANSWER
Answered 2021-Jun-14 at 10:13The default initialiser (the one generated by the compiler, since you didn't declare one explicitly) is actually internal
.
This is documented here:
A default initializer has the same access level as the type it initializes, unless that type is defined as public. For a type that’s defined as public, the default initializer is considered internal. If you want a public type to be initializable with a no-argument initializer when used in another module, you must explicitly provide a public no-argument initializer yourself as part of the type’s definition.
So you should do:
QUESTION
I am using google analytics api to fetch analytics data. I tried to authenticate it using following steps : -> created OAuth client id in https://console.developers.google.com/ credentials section. -> In consent screen I had set publishing status as testing -> In OAuth 2.0 Playground I got the refresh token using above generated client id and client secret -> Then I am using it to generate access token through it.
But After few days refresh token seem to expire again and again although it is mentioned that refresh token validity is life long.
...ANSWER
Answered 2021-Feb-20 at 14:17I needed to send mails from a gmail account that I have access to, using nodemailer. It works for a couple of days before my refresh token is mysteriously revoked, even though the account belongs to me. A google search brought me here and I had been watching for a while hoping someone would help with a solution.
As you mentioned, this seems to happen with only test/unverified apps and I'm guessing google revokes tokens for such applications in your account after a few days. After much trials and errors, here is what I did.
NOTE: This is solution is only applicable to accounts you own, otherwise you must verify your app to access other people's accounts
- Generate a new refresh token (existing one is most likely revoked) as described in this SO post
- Go to the security tab of your google account dashboard
- Under the Recent security activity section, you should see a security alert for your app.
- Click on the context menu next to the notification and click DISMISS
- At this point you'll be presented with a dialog of options where you indicate the level of trust you have for the app. I just went ahead and said I trusted the developer/app, obviously. And that's it! The refresh token should persist after this.
I could not find anything related anywhere else. So, please, accept this answer if it works for you. It might help someone else
QUESTION
I am currently listing some files with the Google Drive API. However, the default list only lists id
, name
, and mimeType
. I know that the fields
parameter can list more than just the default, but when I put parents
as a field in the Google API Playground, I get the error of Invalid field selection parents
. However, when I use *
in the fields
parameter, it returns all the fields. Am I doing anything wrong by putting parents
in the fields parameter? If so, does anyone have any idea how to include the parents
field as a field in the list results?
Here is my current endpoint, which causes the error:
...ANSWER
Answered 2021-Jun-14 at 02:05From https://www.googleapis.com/drive/v3/files?fields=parents&key=[YOUR_API_KEY]
, in your situation, when parents
is directly put to fields
as follows,
such error of Invalid field selection parents
occurs. Because the method of "Files: list" returns the file list which is an array including each file metadata. Ref I think that this is the reason of your issue.
So in this case, please set files(parents)
instead of parents
.
- In the case of
files(parents)
, onlyparents
is returned. When you want to retrieveid
,name
,mimeType
andparents
, please usefiles(id,name,mimeType,parents)
tofields
.
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