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I am learning react js. I am a very beginner at this topic. But when I am doing setup to create a react environment I got an error. I have tried to solve the problem by Charles Stover blog in medium. But I got an error Command "up" not found.

Here's my index.js file:

Google recently sent me an email with the following:

One or more of your web applications uses the legacy Google Sign-In JavaScript library. Please migrate your project(s) to the new Google Identity Services SDK before March 31, 2023

The project in question uses the Google Drive API alongside the now legacy authentication client.

The table on the migration page (https://developers.google.com/identity/gsi/web/guides/migration) says:

I was currently using gapi on the front-end to perform authorization which is loaded from apis.google.com/js/api.js. According to the table I would need to replace it with the new library.

I've tried the following to authenticate and authorize in the same manner that I used to do with gapi:

I am working on a spatial search case for spheres in which I want to find connected spheres. For this aim, I searched around each sphere for spheres that centers are in a (maximum sphere diameter) distance from the searching sphere’s center. At first, I tried to use scipy related methods to do so, but scipy method takes longer times comparing to equivalent numpy method. For scipy, I have determined the number of K-nearest spheres firstly and then find them by cKDTree.query, which lead to more time consumption. However, it is slower than numpy method even by omitting the first step with a constant value (it is not good to omit the first step in this case). It is contrary to my expectations about scipy spatial searching speed. So, I tried to use some list-loops instead some numpy lines for speeding up using numba prange. Numba run the code a little faster, but I believe that this code can be optimized for better performances, perhaps by vectorization, using other alternative numpy modules or using numba in another way. I have used iteration on all spheres due to prevent probable memory leaks and …, where number of spheres are high.

I've built this new ggplot2 geom layer I'm calling geom_triangles (see https://github.com/ctesta01/ggtriangles/) that plots isosceles triangles given aesthetics including x, y, z where z is the height of the triangle and the base of the isosceles triangle has midpoint (x,y) on the graph.

What I want is for the geom_triangles() layer to automatically provide legend components for the height and width of the triangles, but I am not sure how to do that.

I understand based on this reference that I may need to adjust the draw_key argument in the ggproto StatTriangles object, but I'm not sure how I would do that and can't seem to find examples online of how to do it. I've been looking at the source code in ggplot2 for the draw_key functions, but I'm not sure how I would introduce multiple legend components (one for each of height and width) in a single draw_key argument in the StatTriangles ggproto.

I have a Create React App with the following .env file:

I have this image for a treeline crop. I need to find the general direction in which the crop is aligned. I'm trying to get the Hough lines of the image, and then find the mode of distribution of angles.

I've been following this tutorialon crop lines, however in that one, the crop lines are sparse. Here they are densely pack, and after grayscaling, blurring, and using canny edge detection, this is what i get

I have very big images in my assets, which slows down the site by a lot for slower networks. (you can read more about the topic on this lighthouse linked page)

• I would like to compress them at build time (ng build --prod).
• For local development, it is irrelevant (ng serve).
• Optimally I would like to generate multiple versions for different screen sizes (example.jpg → should become: example_x265.jpg, example_x128.jpg, ...)

The most promising guide I have found for that is this one here, which describes how to use the imagemin package in combination with the ngx-build-plus package.

Unfortunately, after following the tutorial, I get the following error:

In React Router Version 5 I had a NavLink which looked the following:

My GitHub repo: https://github.com/safiullah7/legan

Branch: redux

I'm following this tutorial: https://tomanagle.medium.com/build-a-rest-api-with-node-js-typescript-mongodb-b6c898d70d61 and I'm unable to connect to my mongodb. Here's my code file where I'm trying to connect with the mongodb: