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How to run only one task in ansible playbook?
...ry/tasks/hadoop_master.yml --step --start-at-task='start hadoop jobtracker services'
You will get a prompt: Perform task: start hadoop jobtracker services (y/n/c)
Answer y
You will get a next prompt, press Ctrl-C
share
...
Android check internet connection [duplicate]
...kConnected() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnected();
}
in manifest,
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE...
How do I make calls to a REST api using C#?
...ead is one of the top results when doing a Google search for "call restful service c#".
Current guidance from Microsoft is to use the Microsoft ASP.NET Web API Client Libraries to consume a RESTful service. This is available as a NuGet package, Microsoft.AspNet.WebApi.Client. You will need to add t...
What are the benefits of dependency injection containers?
... While the Xml configuration is not 'compile time checked' all application services that this author is aware of will provide the developer with error messages if they attempt to inject an object having an incompatible interface into another object. And most provide a 'check' feature that covers al...
How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...QL Management Studio 2008 is part of SQL Server 2008 Express with Advanced Services
Version 2012
Click download button and check ENU\x64\SQLManagementStudio_x64_ENU.exe
Version 2014
Click download button and check MgmtStudio 64BIT\SQLManagementStudio_x64_ENU.exe
Open Microsoft SQL Management Stu...
How do you create a REST client for Java? [closed]
... that is comparable to Apache Axis for SOAP - something that hides the web service and marshals the data transparently back to Java objects.
...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...ith Facebook or LinkedIn. Additionally we are opening up our API for other services to manage data. In that case, would you recommend OAuth for user auth, and an api key or combination of username & password (like in the article you linked to) for services accessing the API? OAuth and api key ar...
Recursion in Angular directives
...read mentioned by @dnc253, I abstracted the recursion functionality into a service.
module.factory('RecursionHelper', ['$compile', function($compile){
return {
/**
* Manually compiles the element, fixing the recursion loop.
* @param element
* @param [link] A p...
At runtime, find all classes in a Java application that extend a base class
...
The Java way to do what you want is to use the ServiceLoader mechanism.
Also many people roll their own by having a file in a well known classpath location (i.e. /META-INF/services/myplugin.properties) and then using ClassLoader.getResources() to enumerate all files wit...
Injecting Mockito mocks into a Spring bean
...
Given:
@Service
public class MyService {
@Autowired
private MyDAO myDAO;
// etc
}
You can have the class that is being tested loaded via autowiring, mock the dependency with Mockito, and then use Spring's ReflectionTes...