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check android application is in foreground or not? [duplicate]

...{ ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List<RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses(); if (appProcesses == null) { return false; } final String packageName = contex...
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RESTful Alternatives to DELETE Request Body

...ned in the question/answers, and after collaborating with consumers of the service. While the use of the message body is not ideal, none of the other options were perfectly fitting either. The request body DELETE allowed us to easily and clearly add semantics around additional data/metadata that wa...
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What is the difference between HTTP and REST?

...le on how to describe a facebook like on a post, with RPC you might create services called AddLikeToPost and RemoveLikeFromPost, and manage it along with all your other services related to FB posts, thus you won't need to create special object for Like. with REST you will have a Like object which w...
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How do I get the entity that represents the current user in Symfony2?

...(probably 3.3 also, but only real-tested in 4) you can inject the Security service via auto-wiring in the controller like this: <?php use Symfony\Component\Security\Core\Security; class SomeClass { /** * @var Security */ private $security; public function __construct(Sec...
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How can I use getSystemService in a non-activity class (LocationManager)?

...() { -- locationManager = (LocationManager)mContext.getSystemService(context); -- } } So in your activity class create the object of fyl in onCreate function like this: package com.atClass.lmt; import android.app.Activity; import android.os.Bundle; import android.widget.Tex...
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Recommended way to get hostname in Java

... Amazon EC2 AMI Linux instance: java.net.UnknownHostException: Name or service not known java.net.InetAddress.getLocalHost(InetAddress.java:1438) – Marquez Mar 18 '13 at 13:42 ...
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What is the meaning and difference between subject, user and principal?

... Consider two principals where #123 is John and #124 refers to a service account. We probably want to treat these different regarding things like password policy, login capability, etc. Principals of type 'user' are subject to password complexity and expiry policies whereas principals of t...
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What is an idempotent operation?

...potent. Idempotence is talked about a lot in the context of "RESTful" web services. REST seeks to maximally leverage HTTP to give programs access to web content, and is usually set in contrast to SOAP-based web services, which just tunnel remote procedure call style services inside HTTP requests a...
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Web deployment task build failed

...sswords on the web server and set to "never expire". Then go to Management Service Delegation in IIS. Each of the presented rules has a UserName field. Where it is WDeployAdmin or WDeployConfigWriter right click and update the credentials to the new passwords. A full explanation with screenshots ca...
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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...SRV_UUID = 0x15, /* 设备128bit服务UUID */ BLE_AD_TYPE_SERVICE_DATA = 0x16, /* 设备16bit服务UUID数据 */ BLE_AD_TYPE_PUBLIC_TARGET = 0x17, /* 设备公共目标地址 */ BLE_AD_TYPE_RANDOM_TARGET = 0x18, /* 设备随机目...