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Gbiner_local / 数学方法

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三维向量的一些计算方法等

1	export class MathTool {
2
3
4	/*计算两个3维向量是否平行 /
5	static isParallel(v1: Vector, v2: Vector): boolean {
6	let v1x = v1.x;
7	let v1y = v1.y;
8	let v1z = v1.z;
9	let v2x = v2.x;
10	let v2y = v2.y;

Gbiner_local / 贝塞尔曲线插值函数

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贝塞尔插值函数应用

1	export class BezierTool{
2	// 多维二次贝塞尔曲线插值函数
3	public static Bezier2D(t: number, start:Vector2, end:Vector2 ,control:Vector2): Vector2 {
4	let x = (1 - t) * (1 - t) * start.x + 2 * t * (1 - t) * control.x + t * t * end.x;
5	let y = (1 - t) * (1 - t) * start.y + 2 * t * (1 - t) * control.y + t * t * end.y;
6	return new Vector2(x, y);
7	}
8
9	// 多维三次贝塞尔曲线插值函数
10	public static Bezier3D(t: number, start:Vector2, end:Vector2 ,control1:Vector2,control2:Vector2): Vector2 {

Gbiner_local / EventBus

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Base on Typescript的EventBus

1	type Callback = (...args: any[]) => void \| Promise<void>;
2
3	export class EventBus {
4	private static listeners = new Map<string, Callback[]>();
5	private static onceListeners = new Map<string, Callback[]>();
6
7	/**
8	* 为指定事件注册一个回调，该回调将在每次触发时调用
9	* @param event
10	* @param callback

anduin / Backup in bash

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Back up script in bash

1	set -e
2
3	if sudo df -Th \| grep -q "/mnt/Backup"
4	then
5	echo "Mounted!"
6	# Backup
7	echo "Please fill in your business back up scripts..."
8	sudo rsync -Aavx --delete --update /opt/Kavita/ /mnt/Backup/program/kavita-dirbkp/
9	sudo rsync -Aavx --delete --update /mnt/data/books/ /mnt/Backup/content/
10	else

anduin / 让GPT理解服务器的性能

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将下面的内容在Linux服务器中运行，将输出的内容喂给GPT即可。

1	# 让 GPT 理解服务器的性能
2
3	echo "我有一台服务器遇到了性能问题。我不知道它上面在发生什么，也不清楚它在运行什么。因此，我决定运行下列命令。这些具体的输出我已经发送给您。您能否从这些输出中了解这个服务器当前的总体状况？能否用中文详尽的写一篇服务器的状态报告和调优建议方案？"
4
5	echo "> uname -a"
6	sudo uname -a
7
8	echo "> vmstat"
9	sudo vmstat

Gbiner_local / 地面四叉树

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Typescript实现得地面四叉树

1	const CELLSIZE = 50;
2
3	// 四叉树
4	export class QuadTreeNode<T> {
5	private _x: number;
6	private _y: number;
7	private _width: number;
8	private _height: number;
9	private _children: QuadTreeNode<T>[] \| null;
10	private _value: T \| null;

fissssssh_local / insatiable-snake

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我特么狂吃狂吃狂吃！

1	package main
2
3	import (
4	"fmt"
5	"os"
6	"os/signal"
7	"syscall"
8	"time"
9	)

anduin / Fibonacci in C#

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Fibonacci in C#

1	using System;
2	using System.Collections.Generic;
3	using System.Linq;
4
5	public class Program
6	{
7	public static void Main()
8	{
9	foreach (var i in Fibonacci().Take(20))
10	{

anduin / Fibonacci in C++

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Fibonacci in C++

1	#include <iostream>
2	#include <functional>
3	std::function<int()> fibonacci()
4	{
5	int current = 1, next = 1;
6	return [=]() mutable {
7	int result = current;
8	current = next;
9	next = current + result;
10	return result;

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