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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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Draw arrows between flexbox items, even on different rows

I want to draw a line between flex items, even then they go to different rows, I don't know where to start, I know you can draw svg between divs, but I wonder how this would work with resizing, is even possible:
Mykolas
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R: Draw arrows in ggplot2 based on loop

I have a dataset as follows: i <- data.scores i NMDS1 NMDS2 Plot_1_O -0.1716069847 -1.177471624 Plot_2_O -0.2452065424 -0.978276228 Plot_3_O 0.3885298355 -0.578810975 ... ... ... Plot_64_O …
KevinSchmidt
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How to draw parallel edges (arrows) between vertices with canvas?

I'm working on a flow-network visualization with Javascript. Vertices are represented as circles and edges are represented as arrows. Here is my Edge class: function Edge(u, v) { this.u = u; // start vertex this.v = v; // end vertex …
DifferentPulses
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How do I position my slideshow arrows correctly?

I feel pretty silly not even being able to do something as simple as this, but I can't get the arrows on my slideshow correctly positioned. I don't want them to overlap the image, which, you can see in the attached picture, they do. When I tried…
Leela
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Skip to the next and previous photo by typing j/k or ←/→

I'm trying to find a wordpress plugin or some kind of way to scroll through an article with images using left/right arrows. Like jumping to the next div :) An example here:…
Vlady
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SSRS Arrow indicators

im looking to add some arrow indicators to compare 2 values within my Matrix. Current week v Last week. I'm getting confused on where to put my expression which I'm currently using (for a Red arrow going…
user5627259
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Difficulties with adding arrows to plot in R

I am attempting to project data onto a plot in R and see the correlation between the points. I have added a line to let the reader see the connection between these points. I am however stumped when it comes to inputting arrows to show the direction…
Peng
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How can i create an Arrow with an editable label (for connecting two nodes)?

I am using the class Arrow from this project on github : https://github.com/tesis-dynaware/graph-editor public Arrow() { line.getStyleClass().add(STYLE_CLASS_LINE); head.getStyleClass().add(STYLE_CLASS_HEAD); */ …
user5772710
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Error when installing package via Cabal - kind mis-match

I'm trying to install package from this git repo: https://github.com/dwincort/SettableArrow I'm in my catalog and typing: cabal install SettableArrow.cabal getting this error on line 187: Kind mis-match The first argument of `ArrowSwitch' should…
Lovaz
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change line looks like an arrow- c++ builder borland

Is there any way on c++ builder borland (bcb6) to change the line looks like an arrow? I have coordinate system and I am draw a line using MoveTo and LineTo methods from 0,0 to x,y while x,y are integers. I wish this line will looks like an arrow-…
user687459
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GWTBootstrap3 / missing arrows in DateTimePicker

I'm using the DateTimePicker in the ui.xml as follows:
Aurelius Baier
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How to parse a tree-like structure using PArrows?

I'm trying to learn arrows, as well as how PArrows can replace Parsec, but there is an almost nonexistent number of tutorials. I believe we could benefit a lot from simple examples, so, given the binary tree: data Tree = Node Tree Tree | A | B…
MaiaVictor
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JSSOR slider - Right Arrow doesn't appear

I am using the "Nearby Image Partial Visible" slider in my jspx page. The slider works fine except for one issue. The right arrow for navigation does not appear. ALthough my source code is correct, when I run the page the structure is changed. By…
Apps
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Unable to create a Jssor Slider with arrows and display 2 pieces inside

i trying to get a image gallery(althouth there are not only images,lets call them elements) with arrows for them to move and showing two elements. Also i want them to move by themselfs. With this code i get a element gallery where the arrows works,…
Cristina
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Single Font for displaying ordinary alphanumeric characters and arrows

Is there a commonly used font which will allow the display of up and down arrows as well as ordinary alphanumeric characters?
Tony Wolff
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