Category "vector"

How can I draw and edit shape using Xamarin forms?

I want to build a simple Xamarin app that can draw shapes with editing handles. I can then drag and drop the handles to edit the shapes. This can be done with S

Rotating an end point while having the direction

I have a point and a direction and I would like to know what that point would be if it was rotated by 45 degrees. For example, if I have Point A being (0, 0, 0)

Unique comparable points at Java TreeSet

Having a very simple example of Java code: import java.util.*; class Point implements Comparable<Point>{ float x, y; Point(float x_, float y

Attempting to solve this problem more efficiently

I read a natural number with at most 9 digits. I have to form a vector with the even digits of that number, in ascending order, with each digit appearing once (

Receiving error: "error: static assertion failed: result type must be constructible from value type of input range" when constructing class vectors

I am trying to create a script that uses polymorphism to create a set of linking vectors within parent/child class structure. So far I have got the classes setu

Move elements while reallocation elements in vector

I have the following code: #include <vector> #include <iostream> struct Data { Data() = default; Data(const Data& other) {

How to sort vector of structs by given field?

I need to sort vector of structures by a given field. To anyone who faces the same problem: I just made my own sort function and there you can pass in lambda as

Unity Quaternion rotation with rigidbody is influences rotations it shouldn't

Hey fellow programmers, I have a small problem with Quaternion (who doesn't). I make an airship that is flying using rigidbody. Making it fly forward and turnin

Split 600 columns into 2 new columns for each one, with old and new column names in vectors

I want to split 600 columns (listed in a vector) at a delimiter (in this case a /) into 2 new columns for each one (also listed as vectors). I've worked out bas

Bug in Weaviate - Update data object instance (Python Client)

I have a Weaviate instance running (ver 1.12.2) I am playing around with the Python client https://weaviate-python-client.readthedocs.io/en/stable/ (ver 3.4.2)

Initialising two large 2D array of 401X401 and do fast matrix multiplication in C++

I want to initialise two 2D matrices of size 401X401 and multiply them in a speedy way. But most probably due to stack overflow, two double 2D matrices were not

Splitting a Rust string into a Vec of its substrings with contiguous identical characters

I have a string or a &str of ASCII characters and I want to separate it into a Vec of all substrings with contiguous identical characters (for example, "aab

Vector in C++ module causes useless Bad file data GCC output

TL;DR: GCC 11.2.0 (image f7ea55625e09) + C++20 + <vector>'s std::vector<anything> cause useless output. How to get out something I can work with? Co

How to reserve memory space for std::vector in terms of bytes?

I am trying to write up a config parser class in c++. I'll first give a snippet of my class: class foo{ private: struct st{ std::vector<pair<s

Convert string into binary vector in R

I'm trying to clusterize a set of journals by descriptors and I've been thinking of turning descriptors into a binary vector instead of using string distances (

Deleting a pointer from a vector... Error: terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc

I'm getting the error after I delete a pointer from the vector and try to delete a second one. I'm still new to pointers I created a base class of shapes and ha

C++ Vector returning odd output for last iteration?

I am attempting to figure out the Skyline problem to better understand C++, right now I am learning more about how I can use vectors. I am trying to iterate thr

How to store every sequentially increasing sequence in a vector into new vectors

I have a vector with the following elements: std::vector<int> vectorOfInts{ 95, 137, 138, 139, 140, 156, 157, 158, 159 }; Problem: I'm trying to store eac

How to test a real ECU via CANoe

I am new with CANoe, and now I am trying to test a real ECU by sending diagnostic requests to it and get response from the ECU via CANoe. I use VN5610A and CANo

Arduino - need reassign Timer 0 overflow (TIMER0_OVF_vect) to different ISR - how?

On a generic Arduino (ATMEGA386P) -based application, I need Timer 0's overflow interrupt (normally goes to TIMER0_OVF_vect) to point to my own code, not the ex

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