Overlap detection for laying out elements on a page

How would you simplify/improve the readability of this code? Because even after my attempt to improve the readability I think it still looks messy. private bool INTOP = false; private bool INLEFT = false; private bool INRIGHT = false; private bool INBOTTOM = false; private bool BEYOND = false; private List<DependencyObject> BEYONDDO = new List<DependencyObject>(); … Read more

HackerRank Implement Queue using two stacks Solution

Challenge Problem Statement – Implement a Queue using two Stacks I implemented dequeue() in O(1) at the cost of enqueue() in O(n) #include <cmath> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> #include <stack> using namespace std; struct Queue{ stack<int> s1,s2; int dequeue(){ int x = s1.top(); s1.pop(); return x; } void peek(){ cout<< s1.top()<<“\n”; … Read more

K&R Exercise 3-3: Expand Shorthand Notations (e.g. a-d to abcd)

The following code is my answer for exercise 3-3 in K&R: #include <stdio.h> #include <ctype.h> #define MAXLINE 1000 /* maximum output line size */ int my_getline(char s[], int lim); void expand(char s1[], char s2[]); /* Exercise 3-3. Write a function expand(s1,s2) that expands shorthand notations like a-z in the string s1 into the equivalent complete … Read more

A multithreaded implementation of the ‘which’ command

Here is an implementation of the ‘which‘ command which can tell where programs are located. /* SPDX-FileCopyrightText: 2021-2022 John Scott <jscott@posteo.net> * SPDX-License-Identifier: GPL-3.0-or-later */ /* We do not support the obsolete extension where an * omitted directory name is interpreted as the current * working directory. In $PATH = “/usr::/bin:”, the lack * of … Read more

Filtering a list of vertices that lie inside a cylinder, with and without LINQ

Since I don’t know how LINQ works under the hood, I can’t decide what version is best to use in term of rapidity of execution. I’ve done some testing with my testing data (Point Cloud) but I can’t see a clear difference between the two. The only thing I know is that the real life … Read more

gcc: undefined reference to

I would like to compile this. program.c #include <libavcodec/avcodec.h> int main(){ int i = avpicture_get_size(AV_PIX_FMT_RGB24,300,300); } Running this gcc -I$HOME/ffmpeg/include program.c gives error /tmp/ccxMLBme.o: In function `main’: program.c:(.text+0x18): undefined reference to `avpicture_get_size’ collect2: ld returned 1 exit status However, avpicture_get_size is defined. Why is this happening? Answer However, avpicture_get_size is defined. No, as the header … Read more