asyncly | C concurrent
kandi X-RAY | asyncly Summary
kandi X-RAY | asyncly Summary
C++ concurrent programming library
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QUESTION
In Vuejs I'm listening on an using
@input
attribute, so when the input
field is empty a message shows "Name cannot be blank"
it is working fine EXCEPT when I hold on delete button on the keyboard so deletion is done very quick, Vuejs doesn't catch it and the "name is valid!"
shows
HTML:
...ANSWER
Answered 2021-Jul-29 at 05:03You should be debouncing your input. This will prevent the server from being called over and over again while you are deleting and wait for the event to complete.
If you are not using lodashInstall debounce (12 KB unpacked)
QUESTION
I have a helper file with some exported functions. And I have a ContextProvider with some shared data. Now I need to change the Data in the Context from inside the helper functions.
But there are errors if I call the useContext statement inside the function bodys and also if I do it outside.
If I create one default function MyHelper() in the helper file I can call the useContext inside and its working. But then I can't use different functions as api from another file. Only the MyHelper().
How can I call more than one exported functions in another .js File and also change there context data?
I have made an example code which shows my problem without the overhead of my original code:
MyScreen.js
...ANSWER
Answered 2021-Mar-19 at 18:57The reason you see the error is that you are calling a hook outside of the component body. In your case that is the useContext
hook. In the first case you are calling it on a module level and in the other two cases you call it inside of a function but then you call that function in a handler which is also "outside" of the component. What you need to do is to extract a hook that you call unconditionally in your component. That hook can expose (return) a function that you can call in your handler.
You can create your own custom hooks which are composed from other hooks:
MyHelper.js
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