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Mastering Development

How in Typescript can I upgrade array of variable from class A to class B, which is extended from A?

hope it is not duplicate, but I could not find any question like that. I have defined Array<Tag>, but I want it to be Array<TogglableTag>. TogglableTag class only differs by 1 more property, but what would be the cleanest approach to do this? This is what I have from the beginning: export class Tag { […]

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Mastering Development

OPENGL (GLFW), glDrawElements gives out “Acces.ViolationException”

(I’m a pretty new Coder (at least in Graphics programming), so don’t be too harsh with me 🙁 ) Today I tried to render a simple triangle using the C# implementation of OpenGL (GLFW), I followed the web tutorial from "LearnOpenGL.com" specifically the hello triangle tutorial. I’ve completed the entire tutorial and expect the program […]

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Mastering Development

Creating a DatePicker from CDN with React API

I am importing some React modules from CDN (that’s not a requirement, I’ve also tried with a local build, more in the final question about it): <script crossorigin src="https://unpkg.com/react-onclickoutside@6.9.0/dist/react-onclickoutside.min.js"></script> <script crossorigin src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.0/moment.min.js" integrity="sha512-Izh34nqeeR7/nwthfeE0SI3c8uhFSnqxV0sI9TvTcXiFJkMd6fB644O64BRq2P/LA/+7eRvCw4GmLsXksyTHBg==" crossorigin="anonymous"></script> <script crossorigin src="https://unpkg.com/react-datepicker@3.1.3/dist/react-datepicker.min.js"></script> Then I have a script to build the React DatePicker component, this is the relevant snippet from it: […]

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Mastering Development

Using fork and pipe functions in C to count lines, characters, and words from file with multiple processes

I am trying to use multiple processes with the fork and pipe functions to modify a program that reads through a file and return the total number of lines, words, and characters. The program compiles and runs fine, but currently the output is only correct when the user inputs 1 for the number of child […]

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Mastering Development

python append not adding to list

I am trying to learn python and am currently working with a basic dice roll script. 2 die roll until they both hit 6. when it will print the number of rolls it took to hit the defined [6:6]. this repeats 2 more times as seen with for x in range(3): roll_dice() My problem is […]

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Mastering Development

Python – Counting how far a user input in a list is away from another item in the list

I’m trying to create a little script where you enter the current day of the week, then the program returns how many days away you are from sunday. I can’t get it to say anything other than zero. It looks fine to me, but I’m clearly missing something. current = str.casefold(input("Please enter the day of […]

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Mastering Development

JFreechart chart with Time from SQL Database

I’m new with JFreeChart and I’m trying to create a chart that display a value on the y-axis and the time on the x-axis. All theses data (value and time) are already in my database and I have something like a value for each 3 to 4 seconds. However I do not want to display […]

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Mastering Development

Javascript function get randomize numbers with incremental order ranging from 1 to 100

I want to generate random numbers within a range of 1 to 100, but in incremental order. Which means every number that I get should be greater than the previous one. Expected output: Output at each function call will be like 1,5,12,25,…,98,100 in randomized and incremental order only. Thanks in advance. My code: randomnumber(fixed,count,range){ return […]

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Mastering Development

Occurence of a ID in every Year in PowerBI

I have a data on a monthly base in PowerBI, which looks like this: ID Month FY A 1 TY A 2 TY A 1 LY B 1 TY B 2 TY How can I check if the ID occurs in every FY, in a new column? ID Month FY Marker A 1 TY y […]

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Mastering Development

WordPress site – How to retain event.target.files in JQuery when moving between multiple ajax calls to PHP scripts?

I’m about 2 months into learning PHP and JQuery, so please bear with me. 🙂 I have a form with a button to add a new record. On button click, a modal opens for record entry, including a button to upload a file which, when clicked triggers an ajax call to a file upload PHP […]