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What are enums and why are they useful?
...f integers (or String codes), you increase compile-time checking and avoid errors from passing in invalid constants, and you document which values are legal to use.
BTW, overuse of enums might mean that your methods do too much (it's often better to have several separate methods, rather than one me...
What are Maven goals and phases and what is their difference?
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Looks like an illustration error, thanks for noticing (founded it in the web).
– Johnny
Oct 11 '15 at 11:22
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Does the use of the “Async” suffix in a method name depend on whether the 'async' modifier is used?
...n async method, by default, results in a compile-time warning; not a build error.
– Dustin Cleveland
May 26 '18 at 14:25
8
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What is an efficient way to implement a singleton pattern in Java? [closed]
... Java5.0 and later. But I would prefer not to use it because I think it is error prone.
It's easy to forget the volatile statement and difficult to understand why it is necessary. Without the volatile this code would not be thread safe anymore due to the double-checked locking antipattern. See more...
Why would you use an ivar?
...bottleneck.
– Mecki
Jun 3 '14 at 18:05
1
@Fogmeister Added a code sample that shows how easily th...
Casperjs/PhantomJs vs Selenium
...run the tests first using PhantomJS and then (assuming there is no serious error encountered) continue to execute the same tests thoroughly in a Selenium setup.
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How to set the prototype of a JavaScript object that has already been instantiated?
...ng a prototype with inadequate methods for the given object are programmer errors, not language faults and should not be a factor, and besides they can happen with Object.create just as well as with freely settable __proto__.
– user2451227
Jul 22 '14 at 11:44
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Given final block not properly padded
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Corrected (sorry copy paste error). Anyway, indeed your issue happens since you decrypt with a key which is not the same as the one used for encryption as explained by Paulo. This happens since the method annotated with @Before in junit is executed befo...
What's the difference between size_t and int in C++?
...o assume size_t is the same as unsigned int, which can lead to programming errors, particularly as 64-bit architectures become more prevalent.
Also, check Why size_t matters
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How to update SQLAlchemy row entry?
...db.session.commit()
#db.session.close()
except:
print('Error in def update_state')
Why use db.session.flush()? That's why >>> SQLAlchemy: What's the difference between flush() and commit()?
sha...