Questions tagged [arrows]

Arrows are a means of modeling computational effects that are more general and less powerful than Monads.

Arrows can express relationships between nodes in a graph (a tree is a type of graph).

Arrows can be primitives in computer graphics.

In some programming languages, arrow symbols like -> and => are syntax with specific meaning.

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react js Array.prototype.filter() expects a value to be returned at the end of arrow function

Array.prototype.filter() expects a value to be returned at the end of arrow function .I am getting this error {product .filter((item) => { if (search.toString().toLowerCase()) { return item; } else…
madhu
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Focus does not work when pressing ArrowDown and ArrowUp with HostListener

I am looking for a way to focus/highlight on each div element with ArrowUp and ArrowDown keys. With tabindex as 0 in the div element, the first value in the drop down gets a highlighted border but is still not selected and not sure how to use…
user2720919
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how can i set value to an array like chaning methods?

i wanna set value with key to an arrau like chaning I just want to know how Laravel did it this is laravel code of eloquent update query $variable=Model::find(3); $variable->columnname="name"; $variable->save(); this is my…
essencode
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Listbox Vertical Scrolling Arrows

What do you check to see if the up or down arrow in the listbox vertical scroll bar were clicked. Looked at dozens of post all over the web and no answer. What I want to do is if they click up or down then make the next visible item in the list the…
Michellia
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Best way to create "arrow" in div

I'm in trying to create something that looks like the attached image, and am struggling with how to do this so it is responsive. I'd love a way to do this with css, but right now I'm just using images. Ive seen where to make the points on the top,…
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