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Mastering Development

Status Bar in for loop

I was trying to create a status bar in my for loop, but the status remains at 0%. I’m not sure what the issue could be. n <- length(unique(mu_ut$AnimalID)) pb <- txtProgressBar(min = 0, max = n, style = 3) for(i in unique(mu_ut$AnimalID)){ AnID <- paste("AnID", i, sep = ".") assign(AnID, mu_ut[mu_ut$AnimalID == i,]) dbWriteTable(conn […]

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Mastering Development

Why is the p5.js bezierPoint() function returning non-linear values when given a linear cubic bezier?

Okay, so I’ve been creating a UI framework and I added animations to it. I wanted to allow users to control the timing functions of their animations using cubicBeziers, so I decided to use p5.js’ bezierPoint() function. I spent hours making it work, and finally got it working in a way that I thought was […]

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Mastering Development

how to apply more than one indexing in a single statement

I am working on the dynamic table in which the javascript reads the tables then responds to it respectively to the tables’ columns. I wished to use the row in the col statement for example col = x[i].rows[row].cells.length; instead. function add() { var x, y, z, i, j, row, col; x = document.querySelectorAll(“.tab”); for(i = […]

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Mastering Development

Can anyone explain the output of the program?

#include<stdio.h> int main() { int i=3; printf("%d %d %d",i,i–,i–); return 0; } Output: 1 2 3 #include<stdio.h> int main() { int i=3; printf("%d %d %d",i–,i,i–); return 0; } Output: 2 3 1 how the compiler is treating the increment/decrement operator in these code?

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Mastering Development

Lib using Tcl C API is crashing maybe due bad refCount usage

I’m a beginner at Tcl C API and I’m trying to understand how to use it. I have this code that gets a tcl list from get_my_list proc and then I iterate over it to dispatch some info, in this case, info related to attributes A, B and C that I get with get_attr_info proc. […]

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Mastering Development

Multiplication matrix on vector

I need to multiply the matrix on the vector and print the result. There are classes of integer vector and integer matrix. When outputting, displays only the first element. Can you tell me what the error is? Below I show the overloading of the * operator that I made, the method for displaying the matrix […]

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Mastering Development

Problem on How to make a receipt from food menu on Dev c++

hi im a beginner in coding and need a little bit help on my homework. Please be nice to me huhu. Im writing a code for a menu and need to display receipt of the choice. the problem is that i dont know how to display the code for food as a whole in the […]

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Mastering Development

Client and server communication using select can’t send and receive from each other with C

In our project we have to make a game (that is already done) and allow a multiplayer way to play (with a P2P method). I have made "client" and "server" programs to begin (I think that in the future the programs will be the same) using the select method in order to allow them to […]

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Mastering Development

Segmentation fault (core dumped) c++ linux terminal windows 10

I am trying to do Shortest Job First Scheduling(batch, non preemptive) reading input from input.txt file but it throws segmentation fault(core duped) here is my code: #include <stdio.h> int main() { FILE *dir; char string[100]; int pId, arrival, cpuBurst, priority, i, j, t, nJobs; int pid[30], pt[30], burstTime[30], arrTime[30], waitTime[30], turnAroundTime[30], comp[30]; float avgWaitTime = […]

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Mastering Development

Ansible Filter/Parse output to json

Im trying to filter ansible-playbook output to a valid json output so i can work with it. The output im getting is: ok: [r-sw01] => { "configlets | selectattr(\"name\", \"eq\", \"r-sw01\")": [ { "config": "hostname r-sw01\n\ninterface Management1\n ip address 10.10.24.10/24\n\ninterface Port-Channel20\n description USR\n switchport mode trunk\n\ninterface Ethernet99-100\n description USR_Po20\n speed forced 25gfull\n", "containerCount": 0, "containers": […]