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Mastering Development

Line chart legend border style using react-chartjs-2

Is it possible to make the legend box of dashed line in line chart to have no dashed border? I read about generateLegend() and legendCallback but I can’t understand how it works in react-chartjs-2 together with React functional component. Also, I’m not sure if they can be used to change the border style of legend. […]

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Mastering Development

Error while trying to predict using Yolov3: “ValueError: When using data tensors as input to a model, you should specify the `steps` argument.”

I’ve beem trying to wrap my head around why I’m encountering the aforementioned error.. A brief rundown of my work: I am obtaining a stream of images from the CopperliaSim (V-REP) Robot simulation software and trying to find an object that I’d like to pick up using a robot.. Here is th relevant part of […]

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Mastering Development

How to calculate the time spent at location for each unique ID per day?

I’m currently working on the smartGPA dataset (https://studentlife.cs.dartmouth.edu/smartgpa.pdf) and I was trying to calculate the time spend studying at a location at each day for each student (UID) to eventually get a mean study time for each student. I have timestamp data and location data for each student based on wifi location data. For example, […]

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Ask Biology

How many proteins could participate in a complex

Disclaimer: I’m a computer science student with minimum clues about biology. I’m working on an algorithm to cluster proteins in Protein-Protein-Interaction Networks to find protein-complexes. While working on that I stumbled upon the question how many different proteins can be part of a protein complex. [I’ll call this size of the complex from this point] […]

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User Help Web Apps

Google Finance Historical Data with Multiple Attributes? (Dates, high, low, close,)

=ARRAY_CONSTRAIN(GOOGLEFINANCE(“NYSE:”&A4, “all”, DATE(2020,4,1), DATE(2020,4,30), “DAILY”), 2, 4) Im only getting one column for April 1, 2020. I would like to get April 1, 2020 – April 30, 2020.

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Linux Mastering Development

Window not moving around using X like Nano-X

i am starting kernel 5.6.8 on beaglebone black. I build uboot, kernel, rootfs from scratch (only terminal) and now i want to add graphics in my build. I compiled microwindows for beaglebone black. Now I want to do simple program that moves window around the screen using keyboard. Window do not moves (only white area […]

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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

Problem with .setBounds(int, int, int, int) in ControlP5 library for Processing

I’m currently editing the library ControlP5 for Processing on Eclipse. The thing is that an unexpected error always comes out. The method .setBounds(int, int, int, int) is undefined for PApplet. On the ControlWindow.java file. Here’s the code: (The error is on line 846) package controlP5; /** * controlP5 is a processing gui library. * * […]

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Mastering Development

How to match observations that are within +/- 5 of each other in R?

Say I have a dataframe that looks like the following: dat <- data.frame(“firstName” = c(“John”, “John”, “Mary”, “Bob”, “Mary”, “Bob”), “age”= c(21, 24, 35, 30, 20, 27)) I want to create a third variable dat$id that assign the same number if an observation’s age is within +/- 5 years of another observation and has the […]

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Mastering Development Software

How would I use a microphone to run commands from a known list?

I don’t need/want full speech recognition where my words get set to the cloud and it figures out what sentence I likely said. I have a list of words (some may be song titles). I want my program to crawl the set of allowed words for the first word (open, play, set, change, etc) then […]