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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...st of annotations in both versions are same, but few differs.
Reference
Order of Execution.
Dashed box -> optional annotation.
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Should I use @EJB or @Inject
...epend on @EJB's attributes like beanName, lookup or beanInterface) than in order to use @Inject you would need to define a @Producer field or method.
These resources might be helpful to understand the differences between @EJB and @Produces and how to get the best of them:
Antonio Goncalves' blog:
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CSRF protection with CORS Origin header vs. CSRF token
... send a request with a spoofed referer header from the victim's machine in order to execute an attack.
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How to return multiple objects from a Java method?
...g the names and the values the objects (unless your objects have specified order, in which case a NavigableMap might be what you want.
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How to delete duplicates on a MySQL table?
... the following columns:
employee (first_name, last_name, start_date)
In order to delete the rows with a duplicate first_name column:
delete
from employee using employee,
employee e1
where employee.id > e1.id
and employee.first_name = e1.first_name
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Why is @autoreleasepool still needed with ARC?
...ile time. This is, just by reading the code, even before it is run! :)
In order to do so there is only one condition: We MUST follow the rules, otherwise the compiler would not be able to automate the process at compile time. So, to ensure that we never break the rules, we are not allowed to explic...
Can you turn off Peek Definition in Visual Studio 2013 and up?
...on in a new window - would that help? Same number of keystrokes, different order (click on the symbol, then press F12).
– Mark Wilson-Thomas MSFT
Feb 27 '15 at 2:00
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Can “git pull --all” update all my local branches?
...lways creates a new commit. So commit dates will always be in the correct order.
– Dev
Jul 1 '15 at 14:19
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How to check if variable's type matches Type stored in a variable
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In order to check if an object is compatible with a given type variable, instead of writing
u is t
you should write
typeof(t).IsInstanceOfType(u)
s...
Finalize vs Dispose
...nization and raising unhandled exceptions in the finalizers.
The execution order of finalizers is non-deterministic—in other words, you can't rely on another object still being available within your finalizer.
Do not define finalizers on value types.
Don't create empty destructors. In other words,...