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How to supply JSON to React?


How to supply JSON to React?

By : user2950880
Date : November 17 2020, 11:58 AM
I hope this helps . I'm not sure what sort of answer you're expecting here but React is not concerned with how you fetch the data.
React is just virtual DOM and components, it's completely unrelated to that part of your app. Facebook do have some ideas on how data should flow throughout your app with react but you have no obligation to their ideas of design.
code :


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Why does react native not supply a button component?

Why does react native not supply a button component?


By : Ana A.
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , The Touchable* components( TouchableOpacity/TouchableHighlight/TouchableWithoutFeedback) are React-Native's button It has all the properties a View has. You have either wrap a View inside a Touchable component or just simply substitute the View with a Touchable component
code :
<View style={{height:48,width:200,backgroundColor:'blue'}} />
<TouchableOpacity onPress={this.onPress} style={{height:48,width:200,backgroundColor:'blue'}} />
Handling React events "the React way": supply the event vs. supply the result to a callback

Handling React events "the React way": supply the event vs. supply the result to a callback


By : WebBannana
Date : March 29 2020, 07:55 AM
wish helps you You should pass the thing that you need without the event. There is no need for the whole object unless you want to extract relevant data from the event: for example the target or when you use the same callback for multiple elements/actions.
You won't have any performance problems and there is definitely no react-ish way to do this. Just use your judgement.
React-Leaflet, supply position from state

React-Leaflet, supply position from state


By : user7131814
Date : March 29 2020, 07:55 AM
around this issue Here is a proper map over arrays that should give you want you need - an array of pairs from two states
code :
this.state.lat.map((value,index)=>[value,this.state.lon[index]])
Concurrency, react-ing to more than one supply at a time

Concurrency, react-ing to more than one supply at a time


By : user3089103
Date : March 29 2020, 07:55 AM
Does that help When we subscribe to a supply block, the body of that supply block is run immediately in order to set up subscriptions. There's no concurrency introduced as part of this; if we want that, we need to ask for it.
The best solution depends on how close the example is to what you're doing. If it's very close - and you want to emit values every time interval - then the solution is to use Supply.interval instead:
code :
my $i = 0; 
my $supply1 = supply { whenever Supply.interval(3, 3) { done if $i++ > 5; emit("B"); } };
my $supply2 = supply { whenever Supply.interval(1, 1) { done if $i++> 5; emit("A"); } };

react { 
    whenever $supply1 -> $x { $x.print };
    whenever $supply2 -> $x { $x.print };
}
my constant READY = Promise.kept;
my $i = 0;
my $supply1 = supply whenever READY {
    loop { await Promise.in(3); done if $i++> 5; emit("B"); }
}
my $supply2 = supply whenever READY {
    loop { await Promise.in(1); done if $i++> 5; emit("A"); }
}

react { 
    whenever $supply1 -> $x { $x.print };
    whenever $supply2 -> $x { $x.print };
}
sub asynchronize(Supply $s) {
    supply whenever Promise.kept {
        whenever $s { .emit }
    }
}
my $i = 0;
my $supply1 = supply { loop { await Promise.in(3); done if $i++> 5; emit("B") } }
my $supply2 = supply { loop { await Promise.in(1); done if $i++> 5; emit("A") } }

react { 
    whenever asynchronize $supply1 -> $x { $x.print }
    whenever asynchronize $supply2 -> $x { $x.print }
}
react on a supply from a sequence

react on a supply from a sequence


By : E. Purwana
Date : March 29 2020, 07:55 AM
this will help This is just a guess:
A done in a whenever block signals that the supply for that whenever is done. At that point the react is ready to be done overall, but it first lets other supplies finish up whatever they've got waiting, if anything.
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