Can std::future cause coredump without get or wait

Advertisements void func() { std::future<int> fut = std::async(std::launch::async, []{ std::this_thread::sleep_for(std::chrono::seconds(10)); return 8; }); return; } Let’s say that I have such a function. An object fut of std::future<int> is initialized with a std::async job, which will return an integer in the future. But the fut will be immediately released after the function func returns. Is… Read More Can std::future cause coredump without get or wait

May 27, 2022 MRLeave a comment

Attribute return of a function to an array

Advertisements this is my first question on StackOverflow ! 🙂 To be honest I’m about to destroy my whole setup. My code is making me crazy. My problem is, I am not able to fill a dynamic array with the return of a function. My goal here is, for each array box, fill it with… Read More Attribute return of a function to an array

May 27, 2022 MRLeave a comment

MenuItem and toolbar missing in new activity Android Studio Unknown Bug

Advertisements I am completely new to Android Studio and just learned Object-oriented programming. My project requires me to build something on open-source code. I added a new menu item to a menu and want to start another activity once the user clicks the menu item with id: plot. The intent will be sent from if… Read More MenuItem and toolbar missing in new activity Android Studio Unknown Bug

May 22, 2022 MRLeave a comment

Remove Yellow rectangle from image

Advertisements I am using this code to remove this yellow stamp from this image : import cv2 import numpy as np # read image img = cv2.imread(‘input.jpg’) # threshold on yellow lower = (0, 200, 200) upper = (100, 255, 255) thresh = cv2.inRange(img, lower, upper) # apply dilate morphology kernel = np.ones((9, 9), np.uint8)… Read More Remove Yellow rectangle from image

May 20, 2022 MRLeave a comment

Update not working in Resource Controller for Laravel 8

Advertisements Previously, I was trying for a few hours to get my "destroy()" function working. Which would sound ridiculous to most of you but simply putting "method("DELETE")" in the form made it work, which I still don’t why. Now, I’m stuck with the update() function. Once I click update, the page just reloads and does… Read More Update not working in Resource Controller for Laravel 8

May 19, 2022 MRLeave a comment

Weird cursor behavior: Almost always the resize cursor. (win32 api)

Advertisements I’m working with the win32 API, and am using it to make a window. This window works, but when I open it, the cursor is a loading cursor, and every time I bring my cursor to the edge to resize it, the cursor gets ‘stuck’ as that resizing cursor, it doesn’t go back to… Read More Weird cursor behavior: Almost always the resize cursor. (win32 api)

May 18, 2022 MR1 Comment

C++ Vector content is being deleted?

Advertisements I’ve been trying to create a directed graph following https://www.youtube.com/watch?v=V_TulH374hw class Digraph { public: Digraph(); void addNode(Node); void addEdge(Edge); void print(); private: //This is a vector which contains a node source and a vector of node destinations vector< tuple< Node, vector<Node>>> nodes; }; but after I add 2 nodes and a Edge it seems… Read More C++ Vector content is being deleted?

May 18, 2022 MRLeave a comment

Errror: _tkinter.TclError: bad window path name ".!button"

Advertisements So today I tried to use python classes for the first time, to remove the excessive use of global keyword. I am trying to create a tkinter window in which, when we click one button it removes the clicked button and replaces it with a new button. And when we click it again, it… Read More Errror: _tkinter.TclError: bad window path name ".!button"

May 17, 2022 MRLeave a comment

How to get access to "mesh renderer" of a different object using raycast?

Advertisements For example, a camera that generates Raycast and if it hits it destorys an object. public class RaycastScript : MonoBehaviour { void CheckForRaycastHit() { RaycastHit hit; //if raycast hit if(Physics.Raycast(transform.position, transform.forward, out hit)) { print(hit.collider.gameObject.name + " hit"); //print what object got hit Destroy(hit.collider.gameObject); //destroy object } } void Update() { //mouse controls camera… Read More How to get access to "mesh renderer" of a different object using raycast?

May 16, 2022 MRLeave a comment

Laravel form post data from placeholder value

Advertisements I want to pass the data on a form placeholder without user input, want to know if that is possible… Below is my form in view @extends(‘layouts.app’) @section(‘content’) <div class="container"> <div class="row justify-content-center"> <div class="col-md-8"> <form action="kind" method="POST"> @csrf <div class="form-group"> <label for="exampleFormControlInput1"><i style="color:#000" class="fa fa-user" style="font-size:24px"></i> Name</label> <input type="text" class="form-control" id="exampleFormControlInput1" name="name" placeholder="{{… Read More Laravel form post data from placeholder value

May 14, 2022 MRLeave a comment

Dev solutions

Solutions for development problems

Tag: destroy