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Domain Driven Design: Domain Service, Application Service
...Services : Used to
abstract technical concerns (e.g.
MSMQ, email provider, etc).
Keeping Domain Services along with your Domain Objects is sensible – they are all focused on domain logic. And yes, you can inject Repositories into your Services.
Application Services will typically use both Doma...
Does Java casting introduce overhead? Why?
...(table of method pointers, plus table of class hierarchy, interface cache, etc) don't change. So the [class] cast checks the type, and if it fits nothing else has to happen.
– Tom Hawtin - tackline
Jan 12 '12 at 20:31
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Entity Framework and Connection Pooling
...changing values, adding related entities, removing other related entities, etc.). But the entity is already modified in shared context. What will you do? Hint: I don't know about any CancelChanges or UndoChanges on ObjectContext.
I think we don't have to discuss server scenario. Simply sharing sin...
Does MSTest have an equivalent to NUnit's TestCase?
...rce attribute, which will allow you to feed it a database table, csv, xml, etc. I've used it and it works well. I don't know of a way to put the data right above as attributes as in your question, but it's very easy to set up the external data sources and files can be included in the project. I h...
When should I use RequestFactory vs GWT-RPC?
...on should contain your database application layer (hibernate, cayenne, sql etc..) This allows you to fully divorce the database object models from the actual client providing a much more extensible and robust way to develop and unit test your application. Granted it requires a tad bit of initial set...
Making 'git log' ignore changes for certain paths
..., all changes to those files will be ignored by git status, git commit -a, etc. When you're ready to commit those files, just reverse it:
git update-index --no-skip-worktree path/to/file
and commit as normal.
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What are the differences between a pointer variable and a reference variable in C++?
...same variable." References may be passed to functions, stored in classes, etc. in a manner very similar to pointers. They exist independently from the variables they point to.
– Derek Park
Sep 12 '08 at 23:37
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How can bcrypt have built-in salts?
... rainbow tables, which are lists of common passwords, or just brute force, etc... of different passwords but hashed. Without salt, the hash for a password in database A would be the same as a hash for a password in database B. Salt merely changes up the hash values making it harder for someone who...
What is an EJB, and what does it do?
...on: other EJBs, or resources like a JPA entity manager, a JDBC datasource, etc. can be injected into the EJB.
concurrency: the container makes sure that only one thread at a time invokes a method of your EJB instance.
distribution: some EJBs can be called remotely, from another JVM.
failover and loa...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...oo. That of course leads to very blurry text (on all controls like buttons etc.).
5 Answers
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