location | 易学教程

AlarmManager & onStartCommand

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问题 I develop a GPS Tracking app on android. I use AlarmManager to wake up the device every 5 minutes. I developed a log file that shows that the application works great until a moment when I receieve public int onStartCommand(Intent intent, int flags, int startId) with startId = 1 again .... in this case I noticed that all variables are reset so I initialize all variables again .. the issue is that once this happens I keep getting same event with startID = 1 again and after few calls the app

认识Spring 的注解 (三)之 @AliasFor 使用规则

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 一、该标签存在的意义顾名思义 @AliasFor 表示别名，它可以注解到自定义注解的两个属性上，表示这两个互为别名，也就是说这两个属性其实同一个含义。该标签存在的含义，从网上查发现有个点，若自定义注解有一个属性，且该属性命名上为了体现其含义，所以有些复杂，这样调用方必须每次使用自定义注解的时候，都必须写明属性，然后设置，这样会比较负责；同时若自定义注解继承了另一个注解，要想让调用方能够设置继承过来的属性值，就必须在自定义注解中重新定义一个属性，同时声明该属性是父注解某个属性的别名。二、该标签的用法 /** * @AliasFor 用法：<br> * <li>用到注解属性上，表示两个属性互相为别名，互相为别名的属性值必须相同，若设置成不同，则会报错</li> * <li>注解是可以继承的，但是注解是不能继承父注解的属性的,也就是说,我在类扫描的时候,拿到的注解的属性值,依然是父注解的属性值,而不是你定义的注解的属性值<br> * 所以此时可以在子注解对应的属性上加上@AliasFor<br> * <pre><code> * * </code></pre> * </li> * @author sandy * */ @Retention(RetentionPolicy.RUNTIME) @Target

Parse Json array from google maps api in Java

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问题 I get this json array https://maps.googleapis.com/maps/api/geocode/json?address=10115,germany from the Google Maps api. Now I want to parse it in Java and get from the part "location" the "lat" and "lng" but I don´t know how to get it. 回答1: Here is the code - import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client

window.location.href send multiple parameters asp.net mvc

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问题 I try to post multiple data to actionresult. function OnButtonClick() { var data = { TextBox1: TextBox1.GetValue(), TextBox2: TextBox2.GetValue() }; var PostData1 = data.TextBox1; var PostData2 = data.TextBox2; window.location.href ="Home/MyActionResult?Page=data&Post=" + PostData1 + PostData2 ; } ActionResult: public ActionResult MyActionResult(string PostData1, string PostData2) { return view(); } I can send PostData1 value however i can not send PostData2 value to actionresult.So how can i

android Location Listener

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问题 i want to listen to both GPS and NETWORK location provider from the same listener and implementation is this ok for doing that: locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,0,metersToUpdate,this); locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER,0,metersToUpdate,this); will it user the same methods for both providers ? 回答1: Google says here: You can also request location updates from both the GPS and the Network Location Provider by calling

Can't hide location's port with nginx

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问题 I'm trying to set up a domain for my node project with nginx (v1.5.11), i have succesfull redirected the domain to the web, but i need to use 3000 port, so now, my web location looks like http://www.myweb.com:3000/ and of course, i want to keep only "www.myweb.com" part like this: http://www.myweb.com/ I have search and try many configurations but no one seems to work for me, i dont know why, this is my local nginx.conf file, i want to change http://localhost:8000/ text to http://myName/ text

msdeploy + setParameters.xml, how to set web physical file location

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问题 This question has been danced around a bit, forgive me if it is a duplicate but I haven't been able to find an exact answer. I am trying to create a Parameters.xml for deployment configuration that specifies the destination physical file folder for a web site. This is for an automated build using TeamCity, e.g. commandline using .deploy.cmd. Can someone explain what I need to do? Parameters.xml: <parameter name="physicalPathLocation" description="Physical path where files for this Web service

msdeploy + setParameters.xml, how to set web physical file location

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nginx配置只允许某个ip或某些ip进行访问

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在server下配置如下，即成实现只允许某些ip对web的访问了 server { listen 80; #listen [::]:80; server_name a.com ; index index.html index.htm index.php default.html default.htm default.php; root /home/wwwroot/a.com; if ( $remote_addr !~* "223.184.203.125|223.184.203.131") {#只这些ip访问 return 403; } include other.conf; #error_page 404 /404.html; # Deny access to PHP files in specific directory #location ~ /(wp-content|uploads|wp-includes|images)/.*\.php$ { deny all; } include enable-php.conf; location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ { expires 30d; } location ~ .*\.(js|css)?$ { expires 12h; } location ~ /.well-known {

Nginx配置详解

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序言 Nginx是lgor Sysoev为俄罗斯访问量第二的rambler.ru站点设计开发的。从2004年发布至今，凭借开源的力量，已经接近成熟与完善。 Nginx功能丰富，可作为HTTP服务器，也可作为反向代理服务器，邮件服务器。支持FastCGI、SSL、Virtual Host、URL Rewrite、Gzip等功能。并且支持很多第三方的模块扩展。 Nginx的稳定性、功能集、示例配置文件和低系统资源的消耗让他后来居上，在全球活跃的网站中有12.18%的使用比率，大约为2220万个网站。牛逼吹的差不多啦，如果你还不过瘾，你可以百度百科或者一些书上找到这样的夸耀，比比皆是。 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

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