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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
... was a nightmare till then to get ride of system crash+fatal errors caused by OpenJDK.
2 Answers
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Protected in Interfaces
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I have to say that this question has been re-opened by the introduction of default methods in Java 8. The project that I am working on right now is, similar to the base nature of an interface, meant to abstract intention from implementation.
There are several cases in which I...
Is an array an object in java
...ct is a class instance or an array. A class instance is explicitly created by a class instance creation expression (§15.9). An array is explicitly created by an array creation expression (§15.10). ". And no, you can not extend an array, because the extends clause must feature a ClassType.
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ruby system command check exit code
I have a bunch of system calls in ruby such as the following and I want to check their exit codes simultaneously so that my script exits out if that command fails.
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Rails check if yield :area is defined in content_for
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
...w contain unreliable/obsolete data; an example is the information returned by sp_help_jobactivity).
– GSerg
Jun 10 at 8:08
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How do I revert master branch to a tag in git?
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Run Java Code Online [closed]
...e libraries (in gradle style). Disclaimer: currently in active development by me.
– Sergio
Apr 26 '16 at 23:41
@Sergio...
What is & used for
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What does a b prefix before a python string mean?
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This is Python3 bytes literal. This prefix is absent in Python 2.5 and older (it is equivalent to a plain string of 2.x, while plain string of 3.x is equivalent to a literal with u prefix in 2.x). In Python 2.6+ it is equivalent to a plain s...