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kandi X-RAY | iOS Summary
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QUESTION
I am new to NestJS and I am trying to use the HttpModule
which incorporates axios
. The problem I have is that I don't know how to return the data from the response. I am getting some Subscription
object. For now I could only make it console.log like this:
ANSWER
Answered 2021-Jun-15 at 22:04I solve it using it like this:
QUESTION
Trying to use Impact font in my html email, which is working fine in Outlook 365 windows and web clients, as well as Gmail client in browser, but the iOS native Mail app, Gmail app and Outlook apps all default back to arial. What am I missing?
Here's the table in question. Class is leftover from a MS port, and I'm leaving it in in the hopes that it improves mso performance, but all it's really doing is setting default font-family, font-size and margin (0).
...ANSWER
Answered 2021-Jun-15 at 05:24Impact may not be 'websafe' then, as it appears to NOT be installed on Androids and iOS (mobile), otherwise it would work. Unless the class "MsoNormal" has a different font-family on it. (I would remove that, it's not necessary or related to performance.)
If that fails, you'll need you to use @font-face
to load it in from a public website. Keep in mind @font-face
is not supported on everything: https://www.caniemail.com/features/css-at-font-face/
As a fallback, you might like to use a similar font, via Google Fonts which is already setup for this: https://fonts.google.com/specimen/Anton
But to make it work on absolutely everything, you'll need to save it as an image, and load in as
QUESTION
I am building an app following the Rest Countries API challenge from frontendmentor (https://www.frontendmentor.io/challenges/rest-countries-api-with-color-theme-switcher-5cacc469fec04111f7b848ca). I have run into a problem. When clicking on the router link in countryDetail.js, the url changes but the component doesn't get re-rendered unless the page is refreshed.
CountryDetails.js
...ANSWER
Answered 2021-Jun-15 at 17:07The issue seems to be that you are already on the "/country/:name"
path and are clicking to visit another country. The router correctly updates the URL in the address bar, but because CountryDetail
is already mounted it neglects to recompute the item
and allCountries
state. This is because the useEffect
hook only runs once when the component mounts.
The name
param (match.params.name
) is actually a dependency for the GET requests, it should be added to the useEffect
hook's dependency array.
QUESTION
I want to use firebase auth for my android and ios applications with custom backend. So I need some way of authentication for api calls from mobile apps to the backend.
I was able to find following guide in firebase documentation which suggests to sent firebase id token to my backend and validate it there with firebase Admin SDK. https://firebase.google.com/docs/auth/admin/verify-id-tokens
But this approach does not seem to be a security best practice. For example here https://auth0.com/blog/why-should-use-accesstokens-to-secure-an-api/ it is said that for API access one should use access tokens rather than id tokens.
Are there any good pattern for using firebase auth with my backend?
...ANSWER
Answered 2021-Jun-15 at 15:02firebaser here
Firebase itself passes the ID token with each request, and then uses that on the server to identify the user and to determine whether they're authorized to perform the operation. This is a common (I'd even say idiomatic) approach to authentication and authorization, and if there's a security risk that you've identified in it, we'd love to hear about it on https://www.google.com/about/appsecurity/
From reading the blog post it seems the author is making a distinction between authentication (the user proving their identify) and authorization (them getting access to certain resources based on that identity), but it'd probably be best to ask the author for more information on why that would preclude passing an ID token to identify the user.
QUESTION
In my iOS app "Progression" there is rarely a crash (1 crash in ~1000+ Sessions) I am currently not able to fix. The message is
Progression: protocol witness for TrainingSetSessionManager.update(object:weight:reps:) in conformance TrainingSetSessionDataManager + 40
This crash points me to the following method:
...ANSWER
Answered 2021-Jun-15 at 13:26While editing my initial question to add more context as Jay proposed I think it found the issue.
What probably happens? The view where the crash is, contains a table view. Each cell will be configured before being presented. I use a flag which holds the information, if the amount of weight for this cell (it is a strength workout app) has been initially set or is a change. When prepareForReuse is being called, this flag has not been reset. And that now means scrolling through the table view triggers a DB write for each reused cell, that leads to unnecessary writes to the db. Unnecessary, because the exact same number is already saved in the db.
My speculation: Scrolling fast could maybe lead to a race condition (I have read something about that issue with realm) and that maybe causes this weird crash, because there are multiple single writes initiated in a short time.
Solution: I now reset the flag on prepareForReuse to its initial value to prevent this misbehaviour.
The crash only happens when the cell is set up and the described behaviour happens. Therefor I'm quite confident I fixed the issue finally. Let's see. -- I was not able to reproduce the issue, but it also only happens pretty rare.
QUESTION
I'm beginner in iOS. I want to set UITextview Attribute text whenever user typing, That's ok but the problem is the performance is lag, and too slow. I don't know what happened. I would appreciate any of your help! thanks
...ANSWER
Answered 2021-Jun-15 at 12:15Try removing the last line in which the cursor location is changed and see if this is the cause for slow performance. If so, try executing this part after a small delay:
QUESTION
I am building an app following the Rest Countries API challenge from frontendmentor. I have run into a problem. When trying to find the border countries full name using the alpha3code, I get the error :
TypeError: Cannot read property 'name' of undefined
.
ANSWER
Answered 2021-Jun-15 at 10:55This may not answering your question but have you tried console.log(response.data) before setItem(response.data) to check the data you get from axios.get? sometimes console.log can help
QUESTION
My intention is to get the weather data for the selected country, passing selectedCountry.capital to the query, so it is displayed the weather from current country capital when the data of a country is displayed.
The problem is my code tries to render the weather data before the weather array is fetched, resulting in an error.
TypeError: Cannot read property 'temperature' of undefined
I get the array data
...ANSWER
Answered 2021-Jun-15 at 11:54Simply use Optional chaining here:
QUESTION
im trying to get Highscores from a File and display them in a RecyclerView. But im getting the following Error:
...ANSWER
Answered 2021-Jun-15 at 11:00You mistype the recycler_style.xml
, the id must be specified in the android:id
property and not in android:layout_width
QUESTION
For a project for my study I am working on a React Native project, but I am stuck. I want to give the prop 'Score' to Card.js and based on that score a color has to be defined; 'transparancyColor'. Currently, the props are passed from Home.js to Card.js and the transparencyColor is defined there. Is this a smart way, or do I have to do this at Home.js? And how?
The code of Card.js looks as follows:
...ANSWER
Answered 2021-Jun-15 at 09:10Regarding the code structure question, it's fine, especially initially, to pass props down one or two levels.
In terms of code, something like that (note the convention is to start variable names with lowercase):
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