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Mastering Development

How can I convert a const char* to a string in CLR/C++ with FLTK to obtain the value of an FL_Input or other widget?

I have been recently constructing a program. The end goal is to get what the user has written in the Fl_Input box and write it into my database. To do this I am going to need a callback on a button that allows me to at least get the string value of an Fl_Input->value() The […]

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Mastering Development

SF Symbols not loading into UIImageView

I am creating an app for tracking health information, and I would like to use the two arrow images from SF Symbols. Unfortunately, no matter what I try, these symbols will not show up. I have already tested the code with an image from the Assets folder, which seems to work with no problem in […]

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Mastering Development

Object of the same size always appears to be stuck in front of the camera

I have created a small Augmented reality demo app where I wanted to place a large object in AR. But, it always appears to be stuck in front of the camera when the object is scaled to 1.0 and I am not able to see the object from all angles. Where as if I scaled […]

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Mastering Development

Check values in a dictionary/list

I am trying to finish coding a game for my course programming. Basically, there’s a checkerboard with different units placed on it. Let’s say my dictionary looks like this: board = {‘map’: [{‘x’: 39, ‘y’: 41}], ‘hubs’: [{‘x’: 21, ‘y’: 3, ‘structure_points’: 1000, ‘capacity’: 1500, ‘regen_rate’: 25}, {‘x’: 21, ‘y’: 38, ‘structure_points’: 1000, ‘capacity’: 1500, […]

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Mastering Development

GGplot2 – line thickness as a legend

I would really appreciate it if anyone can help me use the thickness of the lines as a legend. Thin line = low correlation Think line = High correlation I tried using the size of the dots to show the thickness but it confuses the audience even further. I am open to other creative methods […]

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Development

Python Opencv: Filter Image for Text Detection

I have these set of images I want to de-noise in order to run OCR on : I am trying to read the 1973 from the image. I have tried import cv2,numpy as np copy_img=np.copy(img) #adaptive threshold as the image has different lighting conditions in different areas thresh = cv2.adaptiveThreshold(img, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY, 401, 20) […]

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Development

Tibble of tibbles / tibble columns in tibbles

What’s the tidy way of having tibbles of tibbles? Or put another way: how can I have tibble columns of class tibble? It’s clearly possible to have columns of class data.frame in tibbles (see example below), but none of the “tidy ways of data manipulation” (i.e. dplyr::mutate() or purrr::map*_df()) seem to work for me when […]

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Development

How to use SwiftUI with different views?

I have SCNCylinder in a SCNScene and a button in a SwiftUI frame below it. Whenever the button is pressed the cylinder is expected to rotate by 90°. I am not getting the expected result with my code. //SwiftUI struct ContentView: View { var body: some View { VStack{ Button(action: { // What to perform […]

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Development

why wont this click function work like my first one does?

Second click function wont run and i am unsure why. The first one runs fine and dos what it should but the second should allow the user to click on the circle that appears and have an info box show up, but nothing will click im assuming to make said info box appear! <meta charset=”UTF-8″> […]

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Development

How to use a SKScene as texture for SCNSphere?

I want to create a sphere of green color with a red point on its surface. One of the most efficient way that I found was to use a SKScene as the texture of the sphere with the desired properties, and display it as a whole inside a frame in SwiftUI. After I run the […]