摘要：从网上找到的，记录一下 CREATE FUNCTION [dbo].[fnGetDistance](@LatBegin REAL, @LngBegin REAL, @LatEnd REAL, @LngEnd REAL) RETURNS FLOAT AS BEGIN --距离(千米) DECLARE 阅读全文

摘要：window+R 输入cmd打开命令行： for /f "skip=9 tokens=1,2 delims=:" %i in ('netsh wlan show profiles') do @echo %j | findstr -i -v echo | netsh wlan show profile 阅读全文

摘要：两个数组取交集： const intersection = (a, b) => { const s = new Set(b); return [...new Set(a)].filter(x => s.has(x)); }; 用法： intersection([1, 2, 3], [4, 3, 2] 阅读全文

摘要：#!/usr/bin/python try: from AppKit import NSWorkspace except ImportError: print "Can't import AppKit -- maybe you're running python from brew?" print 阅读全文