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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...Bean")
@RequestScoped
public class SomeBean {
@Inject
private SomeService someService;
}
Automatic injection like that defined above can be controlled through the use of Qualifiers that can help match the specific class that you want injected. If you have multiple payment types, you might...
Is there an S3 policy for limiting access to only see/access one bucket?
...) Also shows of the number of buckets = number of clients using the backup service.
(2) use one bucket with client specific folders
This is how Amazon suggests by their S3/IAM examples to provide space to access only by certain users or user groups. See:
AWS Example IAM Policies
Advantage: fairly...
What is the difference between task and thread?
...is no need for a thread to sit around and wait for the data when it can be servicing other requests. Instead, the Task might register a callback to receive the value(s) when they're ready.
In particular, the Task does not say why it is that it takes such a long time to return the value. It might be...
When monkey patching an instance method, can you call the overridden method from the new implementat
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Generating v5 UUID. What is name and namespace?
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AWS Difference between a snapshot and AMI
...
The major difference is between the type of service referred to. A snapshot is of an EBS volume where you are able to save state and reboot with the same data at a certain point in time.
An AMI is similar, but its for the EC2 instances themselves. You cannot take a sn...
How to move Jenkins from one PC to another
...n Target Jenkins go to ThinBackup --> Restore, and then restart Jenkins service.
If some Plugins or Jobs are missing, copy the backup content directly to the target JENKINS_HOME.
If you had user authentication on the source Jenkins, and now locked out on the target Jenkins, then edit Jenkins conf...
What are the differences between concepts and template constraints?
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Why is the order in dictionaries and sets arbitrary?
...making hash collisions unpredictable to prevent certain types of denial of service (where an attacker renders a Python server unresponsive by causing mass hash collisions). This means that the order of a given dictionary or set is then also dependent on the random hash seed for the current Python in...
Difference between WAIT and BLOCKED thread states
...g for a lock; that thread still counts as something the scheduler needs to service, possibly getting factored into the scheduler's decisions about how much time to give running threads (so that it can give the threads blocking on the lock a chance).
Once a thread is in the wait state the stress it ...