GOROman

The Cauchy-Schwarz Inequality

$$\left( \sum_{k=10000000000000000}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$

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import React, { useEffect, useRef, useState } from 'react';
import * as THREE from 'three';

const ThreeDCoordinateSystem = () => {
  const mountRef = useRef(null);
  const [rotationMatrix, setRotationMatrix] = useState([
    [1, 0, 0],
    [0, 1, 0],
    [0, 0, 1]
  ]);

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import React, { useRef, useState, useEffect } from 'react';

const Raytracer = () => {
  const canvasRef = useRef(null);
  const [isRendering, setIsRendering] = useState(false);
  const [progress, setProgress] = useState(0);
  const renderingRef = useRef(false);
  const requestRef = useRef(null);

  useEffect(() => {

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GOROman

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>

#define PORT 8080
#define BUFFER_SIZE 1024

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print("Hello, World!")

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#include <stdio.h>

int main() {
    printf("Hello, World!\n");
    return 0;
}

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// Spresense Multi-IMU[CXD5602PWBIMU1J] Sample for Arduino IDE
// 
// #がいためIMU
// by @GOROman

#include <stdio.h>
#include <sys/ioctl.h>
#include <time.h>
#include <inttypes.h>
#include <fcntl.h>

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/****************************************************************************
 * Included Files
 ****************************************************************************/

 #include <nuttx/config.h>

 #include <sys/ioctl.h>
 #include <time.h>