Categories
Mastering Development

react-select dropdown not showing cursor

I have a react-select Select component that renders a searchable dropdown menu. Here is a Sandbox: https://codesandbox.io/s/lingering-paper-eb4lr?fontsize=14&hidenavigation=1&theme=dark For some reason, I can’t seem to get the cursor to display. The search functionality works fine. I can type in the field but the cursor does not display at all. When looking at the example snippets on […]

Categories
Mastering Development

Leaflet maps: Uncaught TypeError [closed]

The map is created and the circle is created but the last map reference flyToLatLng says: Uncaught TypeError: Cannot read property ‘flyToLatLng’ of undefined var people = []; var map; window.onload = function() { map = new L.Map(‘map’, { layers: [cloudmade], center: new L.LatLng(41.0617795, -77.3752103), zoom: 7 }); people[0] = L.circle([41.0617795, -77.3752103], 250, { color: […]

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Mastering Development

Create new object using two objects that share a prop

So, it’s pretty simple question really: Given two array of objects: users = [ {userId: 1, name: John, favoriteFruit: Apple}, {userId: 2, name: Jerry, favoriteFruit: Pear}, {userId: 3, name: Linda, favoriteFruit: Peach}, {userId: 4, name: Cruz, favoriteFruit: Banana}, ] cars = [ {userId: 1, carModel: GT200, color: Blue}, {userId: 1, carModel: GT300, color: Green}, {userId: […]

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Mastering Development

How to replace deprecated function RectangularNode in AnyLogic?

I am trying to run an AnyLogic model developed a few years ago and I do not have access to the person who coded it. I have very limited knowledge of Java. The model is built based on data being read in from an XML file. The first step is to read the layout data […]

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Mastering Development

Keep missing data in ggplot2 stacked barplot

This is my sample data. ID 144 contains 6 positions while ID AB01 contains only 3. In a stacked plot I still want to show 6 positions in AB01 with missing positions shown in a specific color . ID YEAR POS 144 2017 10 144 2017 12 144 2017 18 144 2017 15 144 2017 […]

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Mastering Development

ggplot2: How to change the position of a point plot while keep the bar plot in the same position

I want to plot the result of a paried t test with a plot containing points, lines and bars, like the plot on the paper (Bellmund, at al. Mapping sequence structure in the human lateral entorhinal cortex. Elife, 8. doi:10.7554/eLife.45333). See the screenshot of the plot: In my practise, it is easy to put geom_point, […]

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Mastering Development

popupGraph – R, Leaflet: Why are my popup graphs blank?

Mapping in R – Shiny, leaflet. Been trying to figure out how to display my line plots (library – ggplot2) as popups in my map. Primarily, I’m using popupGraph (leafpop) to do this. Basically want to display line graphs where x is time, and y is new covid cases. When the user clicks on a […]

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Mastering Development

Split error in android for displaying arraylist [duplicate]

Hi in the below code I am getting split Null pointer exception at split(",") For the array list datas are split with comma.but response is coming from the server.but list is not adding to the row table content.While displaying the content it is throwing me an error. But it is throwing the error. Can any […]

Categories
Database Development

Optimizing product variant db schema

I am trying to model a db schema for product variant. Here is a snippet of my db schema related to product variant ———————- ———————— |skus | |sku_variations | ———————- ———————— |PK| sku_id | |PK| sku_variation_id | |FK| product_id |——|FK| product_variant | | | |FK| sku_id | ———————- ———————— Currently, if a product, lets say […]

Categories
Database Development

How to represent multiple rows with one id

I know what i am asking contradict the point of id, because an id should only represent 1 row. I don’t even know if what im asking is possible, it might even go against a db design convention. I am trying to model a db schema for product variant. Here is a snippet of my […]