location

react-router简明学习

匿名 (未验证) 提交于 2019-12-02 21:53:52
前面的话   路由用来分发请求。后端是提供服务的,所以它的路由是在找controller,前端是显示页面的,所以它的路由是在找component。本文将详细介绍react-router-dom的内容 Router   Router是路由器组件的低阶接口,通常会使用如下某个高阶router来替代它 <BrowserRouter> <HashRouter> <MemoryRouter> <NativeRouter> <StaticRouter> 【BrowserRouter】   最常用的是BrowserRouter import { BrowserRouter } from 'react-router-dom' <BrowserRouter basename={optionalString} forceRefresh={optionalBool} getUserConfirmation={optionalFunc} keyLength={optionalNumber} > <App/> </BrowserRouter>   1、basename: 当前位置的基准 URL。如果页面部署在服务器的二级(子)目录,需要将 basename 设置到此子目录。 正确的 URL 格式是前面有一个前导斜杠,但不能有尾部斜杠 <BrowserRouter basename="/calendar"/>

浅谈location对象

匿名 (未验证) 提交于 2019-12-02 21:53:52
Location 对象存储在 Window 对象的 Location 属性中,表示那个窗口中当前显示的文档的 Web 地址。通过Location对象,可以获取URL中的各项信息,调用对象方法也可以重新加载或替换当前文档。 在控制台输入 window.location 可以获取Location对象的详细信息: href href 属性是最常用的一种属性,通过 window.location.href 可以获取完整的URL。Location的对象属性都有一个特点,即对象属性都是 writable ,可以通过属性值的替换来重新设置属性值。这也引出了对象属性最常用的一种用法,通过重新设置 href 属性来跳转网页。 window.location.href = "www.baidu.com" 众所周知,所有浏览器全都采取同源策略,即: 协议相同 域名相同 端口相同 协议、域名、端口在Location对象中分别对应的属性是: protocol , hostname , port window.location.href // http://localhost:8080/#/b?a=1 window.location.protocol // http: window.location.hostname // localhost window.location.port // 8080 很多时候

JavaScript高级程序设计 (第3版)》学习笔记31:chapter_8 - 2 location对象

匿名 (未验证) 提交于 2019-12-02 21:52:03
让学习“上瘾”,成为更好的自己!!! < ! DOCTYPE html > < html lang = "en" > < head > < meta charset = "UTF-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < meta http - equiv = "X-UA-Compatible" content = "ie=edge" > < title > location 对象 < / title > < script > /* location对象:提供了与当前窗口中加载的文档有关的信息,也提供了一下导航功能,并将URL解析为独立的片段,让开发人员可以通过不同的属性访问这些片段 location对象既是window对象的属性,也是document对象的属性 属性: hash: 返回“#”号跟零或多个字符 host: hostname+port hostname: href:返回当前加载页面的完整URL pathname:返回URL目录和文件名 port protocol search: 返回URL的查询字符串,这个字符以问号开头 1,查询字符串参数 2,位置操作 */ // 1,查询字符串参数(基于location.search) function

How to get the base path in jQuery?

∥☆過路亽.° 提交于 2019-12-02 21:47:42
window.location works fine, but returns me the whole, absolute path, like http://domain.xyz/punch/lines . But I only need http://domain.xyz/ . How can I extract only that first part? And how can I make that dynamic, I mean to be always the same even when the subdirectory path gets longer? You can get the protocol and the host separately, and then join them to get what you need window.location.protocol + "//" + window.location.host + "/" As a sidenote, window.location.pathname would contain the path. You can use this statement var baseUrl = document.location.origin; Try this: location.protocol

iOS开发之CoreLocation(GPS定位)

房东的猫 提交于 2019-12-02 21:22:47
1 、概述 在iOS开发中,要想加入地图和定位功能这2大功能,必须基于2个框架进行开发 (1)Map Kit :用于地图展示 (2)Core Location :用于地理定位 2个热门专业术语: LBS :Location Based Service SoLoMo :Social Local Mobile(索罗门) 2 、 CoreLocation 框架的使用 CoreLocation框架使用前提: 导入框架: 导入主头文件: #import <CoreLocation/CoreLocation.h> CoreLocation框架使用须知: CoreLocation框架中所有数据类型的前缀都是CL CoreLocation中使用CLLocationManager对象来做用户定位 3 、 CLLocationManager CLLocationManager的常用操作: (1)开始用户定位 - (void)startUpdatingLocation; (2)停止用户定位 - (void) stopUpdatingLocation; 当调用了startUpdatingLocation方法后,就开始不断地定位用户的位置,中途会频繁地调用 代理 的下面方法: - (void)locationManager:(CLLocationManager *)manager

Nginx配置详解

假如想象 提交于 2019-12-02 21:19:33
转:https://www.cnblogs.com/knowledgesea/p/5175711.html Nginx常用功能: 1、Http代理,反向代理:作为web服务器最常用的功能之一,尤其是反向代理。 这里我给来2张图,对正向代理与反响代理做个诠释,具体细节,大家可以翻阅下资料。 Nginx在做反向代理时,提供性能稳定,并且能够提供配置灵活的转发功能。Nginx可以根据不同的正则匹配,采取不同的转发策略,比如图片文件结尾的走文件服务器,动态页面走web服务器,只要你正则写的没问题,又有相对应的服务器解决方案,你就可以随心所欲的玩。并且Nginx对返回结果进行错误页跳转,异常判断等。如果被分发的服务器存在异常,他可以将请求重新转发给另外一台服务器,然后自动去除异常服务器。 2、负载均衡 Nginx提供的负载均衡策略有2种:内置策略和扩展策略。内置策略为轮询,加权轮询,Ip hash。扩展策略,就天马行空,只有你想不到的没有他做不到的啦,你可以参照所有的负载均衡算法,给他一一找出来做下实现。 上3个图,理解这三种负载均衡算法的实现 Ip hash算法,对客户端请求的ip进行hash操作,然后根据hash结果将同一个客户端ip的请求分发给同一台服务器进行处理,可以解决session不共享的问题。 3、web缓存 Nginx可以对不同的文件做不同的缓存处理,配置灵活

WGET your google location history daily

自作多情 提交于 2019-12-02 21:16:23
I want to save my google location history in a regular basis. Usually I use the Webinterface: https://maps.google.com/locationhistory/b/0 it also provides a link to export data which looks like that: https://maps.google.com/locationhistory/b/0/kml?startTime=1376604000000&endTime=1376690400000 How can I download this link (and its according timestamps fixed) daily including logging in using WGET or curl? Simply wget it brought me an 302 Moved Temporarily You get a 302 Moved Temporarily because you need to be authenticated: Google is redirecting you to its login page. Once authenticated, google

Android location aware notifications

混江龙づ霸主 提交于 2019-12-02 20:59:44
I'm looking for best techniques for Location Aware notifications. My first try was to use LocationManager's addProximityAlert but it requires ACCESS_FINE_LOCATION (COARSE_LOCATION gives me a SecurityException) and keeps the GPS always ON and active (at least on Jelly Bean), which drains the battery very quickly. It also doesn't seems to respect the check only once every 4 minutes when the screen is asleep ( addProximityAlert ). I'm thinking to work with the PASSIVE_PROVIDER to gather other applications location information, and maybe use a service to ask for COARSE_LOCATION every once in a

Location updates not working indoors as claimed by Fusion Location Provider APIs

房东的猫 提交于 2019-12-02 20:50:26
Issue: Location updates not working indoors as claimed by Fusion Location Provider APIs. What happened: I tried implementing the latest location API to get location updates using LocationClient in my Android App. My android app works fine with out any issue while I am testing outdoor. But when testing indoors (inside any building), then no location updates are happening. Expected behavior: As per the new APIs, I am expecting to get some estimated location around the building while I am indoors (as GPS do not find the satellite signal for accurate location). I see that latest Google Maps

Country/State/City Database? [duplicate]

柔情痞子 提交于 2019-12-02 20:49:16
This question already has answers here : Of Countries and their Cities [closed] (10 answers) Possible Duplicate: Database of Countries and their Cities Ok, this one is a non technical question. I am creating a business directory and I'd like to categorize listings by location. Instead of giving users an option to enter the location, I am going to provide them with a list of locations which follow a Country/State/City format. I tried GeoWorldMap by GeoBytes. It looked promising in the beginning and I felt that is exactly what would get the job done until I realized it provided a list of around