kandi X-RAY | Collection Summary
kandi X-RAY | Collection Summary
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Top functions reviewed by kandi - BETA
- Replaces an item in the list .
- Sorts the collection with a given comparison function
- Select collection after item .
- Clear all items .
- Returns a comparison callback for the given property .
- Sorts by a specific property
- Removes an item from the collection by its key .
- Check item type
- Update data .
- Set multiple values .
Collection Key Features
Collection Examples and Code Snippets
Community Discussions
Trending Discussions on Collection
QUESTION
const set = firebase.firestore().collection("workoutExercises").doc(firebase.auth().currentUser.uid).get()
console.log(set)
...ANSWER
Answered 2021-Jun-15 at 23:56Firebase calls like this are asynchronous, meaning they don't return immediately. In Javascript, you can deal with this in a couple of different ways, using async/await
or Promises
.
Here's an example using a Promise
:
QUESTION
I am trying to generate a table to record articles published each month. However, the months I work with different clients vary based on the campaign length. For example, Client A is on a six month contract from March to September. Client B is on a 12 month contract starting from February.
Rather than creating a bespoke list of the relevant months each time, I want to automatically generate the list based on campaign start and finish.
Here's a screenshot to illustrate how this might look:
Below is an example of expected output from the above, what I would like to achieve:
Currently, the only month that's generated is the last one. And it goes into A6 (I would have hoped A5, but I feel like I'm trying to speak a language using Google Translate, so...).
Here's the code I'm using:
...ANSWER
Answered 2021-Jun-15 at 11:11Make an Array with the month names and then loop trough it accordting to initial month and end month:
QUESTION
In a python3 command line session, once I start plt.show()
. I can not type any further python3 commands. Is there a way to make plt.show()
nonblocking?
ANSWER
Answered 2021-Jun-15 at 22:11use plt.ion() before plt.show()
QUESTION
My app consists in letting you add lists in which you can keep your notes. Therefore, I have this NotesListActivity where I can add and keep my Lists. I wanted to filter this lists following the https://www.youtube.com/watch?v=CTvzoVtKoJ8 tutorial and then I tried to adapt it to my code like below. Could you please tell me what is the problem here, cause I don't even get an error, I just not get any title of list as result. So, this is what I have in my RecyclerAdapter:
...ANSWER
Answered 2021-Jun-13 at 20:18The problem is that you are using an empty notesListAll
list for filtering results; you need to populate it with the list of notes in the constructor
QUESTION
I sort of need help here, honestly not sure where I went wrong, here is the full code. I am sort of new, just trying to bring back the mention user and the reason back in a message instead of doing anything with this information.
...ANSWER
Answered 2021-Jun-15 at 17:58Why are you calling client in a command file if you already started a new instance of a client in your root file? try removing client from the top of the code. Hope that works
QUESTION
I need a cloud function that triggers automatically once per day and query in my "users" collection where "watched" field is true and update all of them as false. I get "13:26 error Parsing error: Unexpected token MyFirstRef" this error in my terminal while deploying my function. I am not familiar with js so can anyone please correct function. Thanks.
...ANSWER
Answered 2021-Jun-15 at 16:13There are several points to correct in your code:
- You need to return a Promise when all the asynchronous job is completed. See this doc for more details.
- If you use the
await
keyword, you need to declare the functionasync
, see here. - A
QuerySnapshot
has aforEach()
method - You can get the
DocumentReference
of a doc from theQuerySnapshot
just by using theref
property.
The following should therefore do the trick:
QUESTION
I have been trying to make a simple API, I need to send a request that will return a list of all individuals if they meet my criteria.
results = collection.find({'sex':'male', 'country':'usa', 'age':30})
This would give me all males in usa who are 30.
What I am looking for is something like
results = collection.find({'sex':'male', 'country':'usa', 'age':ANY})
Which should give me ALL males in usa regardless of age.
Is this possible?
...ANSWER
Answered 2021-Jun-15 at 19:29You could find all ages greater than zero:
QUESTION
I want to collect the names (Jenny, Tiffany, etc.) that are stored in every object. and these objects live in an array. I've used Array.prototype.every()
and Array.prototype.forEach()
, but I don't think they are the right methods.
I also want to note that majority of these codes are from Codaffection. I am practicing on developing in React.
If you would like to experiment with the code, click here.
In every object, there is an id, fullname, email and etc.
This is the code that adds, edits, generates unique ids for each employee, and gets all storage data.
...ANSWER
Answered 2021-Jun-15 at 19:27You mean to use map instead of forEach
.
QUESTION
How can we pass additional data to Client application from Identity Server 4 in response after successful authentication?
We are using Identity Server 4 as an Auth server for our application to have user authentication and SSO feature. User information is stored and is getting authenticated by an external service. IDS calls the external service for user authentication. On successful authentication, the service returns the response back to IDS with 2 parameters:
- Authorization code
- Additional information (a collection of attributes) for the user.
IDS further generates Id token and returns response back to MVC client with standard user claims. I want to pass the additional user information(attributes) to client application to display it on page. We tried adding the attributes as claims collection through context.IssuedClaims option but still I am not getting those attributes added and accessible to User.Claims collection in MVC client app.
Can anyone suggest an alternative way by which we can pass those custom attributes to client app. either through claims or any other mode (httpcontext.Items collection etc)
...ANSWER
Answered 2021-Jun-15 at 19:18Only some user claims provided by the IDS will be passed into the User.claims collection. You need to explicitly map those additional claims in the client application, using code like:
QUESTION
So... I can sympy.integrate
a normal distribution with mean and standard deviation:
ANSWER
Answered 2021-Jun-15 at 01:38Here's a close case that works:
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