- 公理及其推论
- 公理 1:直线上两点在平面上,则该直线所有点在此平面上。
- 公理 2:非共线三点确定一平面。
- 推论 1:直线与直线外一点确定一平面。
- 推论 2:两相交直线确定一平面。
- 推论 3:两平行直线确定一平面。
- 公理 3:两不同平面有一公共点,则有且仅有一条过该点的公共直线。
- 公理 4:平行于同一直线的两直线互相平行。
- 直线与直线位置关系
- 位置关系:相交、平行、异面。
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| import os | |
| import subprocess | |
| from datetime import datetime, timedelta | |
| # ================= 配置区域 ================= | |
| TARGET_YEAR = 2020 | |
| VISUAL_TEXT = "One China" | |
| # 核心:使用各国原生语言的文件名 |
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| #include <algorithm> | |
| #include <string> | |
| #include <vector> | |
| #include <windows.h> | |
| HWND g_enhancedWindowHwnd = NULL; | |
| LONG g_originalExStyle = 0; | |
| BYTE g_originalOpacity = 255; | |
| std::string GetWindowTitle(HWND hwnd) |
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| #!/usr/bin/env fish | |
| # ===== 配置区域 ===== | |
| # 测试配置 | |
| set TEST_ROUNDS 1000 # 每个题目运行的测试次数 | |
| # 编译配置 | |
| set COMPILE_FLAGS "-std=c++17" "-O2" "-Wall" "-Wextra" # 编译选项 | |
| set COMPILE_TIMEOUT 30 # 编译超时时间(秒) | |
| set ENABLE_DEBUG_INFO false # 是否启用调试信息 (-g) |
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| // ==UserScript== | |
| // @name E-textbook Downloader | |
| // @namespace https://github.com/langningchen | |
| // @version 0.0.2 | |
| // @description Generate and download e-textbook in the format of PDF with object-oriented design | |
| // @author langningchen | |
| // @match https://sh.etextbook.cn/* | |
| // @grant GM_xmlhttpRequest | |
| // @icon https://sh.etextbook.cn/img/icons/favicon-32x32.png | |
| // @require https://cdnjs.cloudflare.com/ajax/libs/jspdf/3.0.1/jspdf.umd.min.js |
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| // ==UserScript== | |
| // @name NB Crack | |
| // @namespace https://github.com/langningchen | |
| // @version 0.0.1 | |
| // @description Crack NB Chemical and NB Physics virtual experiment | |
| // @author langningchen | |
| // @match https://hx.nobook.com/* | |
| // @match https://wl.nobook.com/* | |
| // @icon https://www.nobook.com/favicon.ico | |
| // @grant none |
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| @echo off | |
| net session >nul 2>&1 | |
| if %errorLevel% neq 0 ( | |
| powershell start -verb runas '%0' %* | |
| exit /b | |
| ) | |
| python "%~dp0miHoYo.py" | |
| pause |
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| \begin{align*} | |
| & \Large\textbf{三角函数常用公式} \\ | |
| \\ | |
| & \normalsize \begin{aligned} | |
| & 1^\circ = \frac{\pi}{180} \text{rad} \quad | |
| 1\text{rad} = \frac{180^\circ}{\pi} | |
| & \textbf{弧度制} \\ | |
| & l = ar \quad | |
| S = \frac{1}{2}ar^2 | |
| & \textbf{扇形的弧长与面积} \\ |
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| #include <bits/stdc++.h> | |
| #include <unistd.h> | |
| #include <dirent.h> | |
| #include <sys/socket.h> | |
| #include <netinet/in.h> | |
| #include <arpa/inet.h> | |
| using namespace std; | |
| void catFile(const char *path) | |
| { |
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| // modify line 8~9 and 28 | |
| import React from "react"; | |
| import { renderToString } from "react-dom/server"; | |
| import totpGenerator from "totp-generator"; | |
| export default { | |
| async fetch(RequestData: Request, env, ctx) { | |
| const Accounts = { | |
| "account name": "account totp token", | |
| ... | |
| }; |