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@Resource vs @Autowired
... interface with multiple implementations like this
interface parent {
}
@Service("actualService")
class ActualService implements parent{
}
@Service("stubbedService")
class SubbedService implements parent{
}
with @Autowired & @Qualifier you need to set specific child implementation
like
...
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
...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...
ahh, so you're saying that in my statement: (((((realService findAllPresentations) get) first) votes) size) must be equalTo 2 - get, first, votes and size are all postfix operators, because they take no parameters? so I wonder what must, be and equalTo are...
...
Connecting to Azure website via FTP
...current azure portal the deployment credentials can be set by going to App Services / select relevant app service item / in the Deployment section / Deployment Center / FTP / Dashboard. You can either chose to use the preprovided App Credentials or assign User Credentials.
In the previous generatio...
How useful/important is REST HATEOAS ( maturity level 3)?
...dge of the URL structures used by the server.
Off loading content to other services:
Hypermedia is necessary when off-loading content to other servers (a CDN for instance).
Versioning with links:
Hypermedia helps versioning of APIs.
Multiple implementations of the same service/API:
Hypermedia is a n...
What is the difference between Amazon S3 and Amazon EC2 instance?
...erver running PHP code and a database server.
Amazon S3 is just a storage service, typically used to store large binary files. Amazon also has other storage and database services, like RDS for relational databases and DynamoDB for NoSQL.
...
entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...
Because these two lines ...
EmployeeService es = new EmployeeService();
CityService cs = new CityService();
... don't take a parameter in the constructor, I guess that you create a context within the classes. When you load the city1...
Payroll.Entities.City ...
Viewing my IIS hosted site on other machines on my network
...ect Predefined radio button and then select the last item -
World Wide Web Services(HTTP)
click next and leave the next steps as they are (allow the
connection)
Because outbound traffic(from server to outside world) is allowed by default .it means for example http responses that web server i...
how to log in to mysql and query the database from linux terminal
...ql server from linux terminal?
It depends. Red Hat based distros have the service command:
service mysqld stop
Other distros require to call the init script directly:
/etc/init.d/mysqld stop
3. How I start the mysql server from linux terminal?
Same as #2, but with start.
4. How do I get mys...
Difference between web server, web container and application server
...
Web Container:
it maintains the life cycle for Servlet Object.
Calls the service method for that servlet object.
pass the HttpServletRequest and HttpServletResponse Object
Application Server:
It holds big Enterprise application having big business logic.
It is Heavy Weight or it holds Heavy weig...