destructure | Structure to Tuple Conversions in C17 | Reflection library
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Structure to Tuple Conversions in C++17
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QUESTION
What would be a shorthand for the following:
...ANSWER
Answered 2021-Jun-14 at 13:54I'm assuming that you are looking for the least-verbose way of doing this.
Most likely this would be achieved by using Object.assign
:
The Object.assign() method copies all enumerable own properties from one or more source objects to a target object.
in your case, the target object is element
and the only source object here would be config
:
QUESTION
When I run test, it show TypeError: Cannot destructure property 'travelDatas' of '(0 , _GetTravelDatas.getTravelDatas)(...)' as it is undefined.
As you see the screenshot: unit test
There isn't any console error or warning.
Could anyone help please
travelListTest.spec.js
...ANSWER
Answered 2021-Jun-13 at 09:10You are mocking the GetTravelDatas
module with an auto-mock version by calling:
QUESTION
Is there any better way for doing this using plain javascript or using lodash package. I feel this code is a bit ugly and violates the DRY principle.
...ANSWER
Answered 2021-Jun-06 at 13:44Create an array of keys you want to transform, and then reduce it, using the original object as the initial value:
QUESTION
I've been struggling with making this work, I have a prop called weather, it's value can be either Drizzle, Cloudy or any other type of Text.
I have images imported on the top (only two at the moment), I've tried with
...ANSWER
Answered 2021-Jun-09 at 22:34Replace :
QUESTION
I am trying to make chart component which will render data fetched from an API. The response data is an array of equal length arrays that contain JSON-objects. Example:
[[{ts:"2021-04-11 12:36:23", v:6}, {ts:"2021-04-11 12:38:23", v:8}, ...], [{ts:"2021-04-11 12:36:23", v:2}, {ts:"2021-04-11 12:38:23", v:7}, ...], ...]
The timestamps of objects in one list will always correspond to the timestamps of objects in the other lists.
The chart component needs an array of n-element arrays of which contain a ts value and n other values, where n is the length of the response array. If the response array had a length of 2, the resulting list should look like this:
[["2021-04-11 12:36:23", 6, 8], ["2021-04-11 12:38:23", 2, 7], ...]
My problem is extracting this array. I have tried to destructure the response array to turn them into individual variables, which in turn can be iterated through with a foreach. I did not manage to make this work.
This is my current "solution":
...ANSWER
Answered 2021-Apr-12 at 12:55You can map over the array of arrays, and map over each element in those arrays. And finally reduce them to a single array with the dates you are after.
QUESTION
I'm attempting to use Chart.js v3.3.2 in a Vue component (by itself, since I need to use a plugin that requires v3), and I'm following the directions and a blog post , but I'm getting the following error:
Error in mounted hook: "TypeError: chart_js__WEBPACK_IMPORTED_MODULE_9__.default is not a constructor"
The relevant code (just trying to get it working initially) is this:
...ANSWER
Answered 2021-Jun-04 at 23:09According to the official docs in this section you could do:
And finally there is an separate path to do just the above for you, in one line:
import Chart from 'chart.js/auto'
QUESTION
I want to pass in a boolean value in a useState hook that opens and closes a modal on click between two functions. However, I keep getting this error message: Cannot destructure property 'setOpenModal' of 'props' as it is undefined.
Main.js
...ANSWER
Answered 2021-Jun-04 at 20:39The MaterialTable
component is entirely malformed from a React perspective, though valid JavaScript. It's just a normal function that defines a couple of constants and then returns nothing. (Well, in the original question it returned nothing. Now it returns an object.)
And when you call that function you indeed don't pass anything to it:
QUESTION
I have the following array of objects:
...ANSWER
Answered 2021-Jun-03 at 16:56You can destructure by mentioning the property and variable with following syntax ["Data.type"]:type
, then value for property Data.type
will be placed in type
variable
QUESTION
I'm aware that I can destructure an object or array to multiple variables, whether they are both already assigned or both unassigned, but is it possible to restructure to multiple variables together when at least one variable has already been declared, and at least one has not?
1. Both unassignedThis works ✅
...ANSWER
Answered 2021-Jun-01 at 20:56I don't believe there is a way to destructure into a combination of already-defined and not-yet-defined variables. But the good news is that you can simply define ahead of time all of the variables into which you wish to destructure:
QUESTION
When I reload the 'details' page (which is not the homepage) on my app I get the error:
"TypeError: Cannot destructure property 'flag' of 'country' as it is undefined."
I guess that as the data is passed from the homepage to the other if we don't go from the homepage to the details page we can't load the data from the API.
After some researchs I concluded that I had to modify some things in the webpack.config.js but as I created my app with the command:
npx create-react-app my-app
it is hard for me to find the webpack config file and I'm not even sure that this would be the solution.
A card on the homepage (when clicked, leads to a detail page for the specific country):
...ANSWER
Answered 2021-May-31 at 14:08It is not the Webpack config.
The issue is that you are not passing country in correctly. In your details function, console.log(countries) and see what is being passed in.
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