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What exactly is a reentrant function?
...bar);
return 0;
}
If the lock on mutex is not recursive, then here's what will happen, in the main thread:
main will call foo.
foo will acquire the lock.
foo will call bar, which will call foo.
the 2nd foo will try to acquire the lock, fail and wait for it to be released.
Deadlock.
Oops…
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The Use of Multiple JFrames: Good or Bad Practice? [closed]
...ich the importance between one or the other (the size) varies according to what the user is doing.
JLayeredPane far many well ..layered components.
JToolBar typically contains groups of actions or controls. Can be dragged around the GUI, or off it entirely according to user need. As mentioned abov...
How to mock a final class with mockito
...:2.13.0'
This is not possible with Mockito v1, from the Mockito FAQ:
What are the limitations of Mockito
Needs java 1.5+
Cannot mock final classes
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What is the C# equivalent to Java's isInstance()?
I know of is and as for instanceof , but what about the reflective isInstance() method?
5 Answers
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What is the difference between SQL, PL-SQL and T-SQL?
What is the difference between SQL, PL-SQL and T-SQL?
6 Answers
6
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What does default(object); do in C#?
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"It returns the empty (psuedo-null) value that... that what? Looks like the sentence wasn't finished.
– user1881400
May 5 '16 at 1:29
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How do you get a timestamp in JavaScript?
...dable by other devs. Date.now() is clearer and ensures everyone else knows what's going on.
– Harry Sadler
Mar 29 '17 at 19:06
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Test whether a list contains a specific value in Clojure
What is the best way to test whether a list contains a given value in Clojure?
18 Answers
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What are conventions for filenames in Go?
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What I should to do if I want to build for unix and others. E.g. I can make two files file_windows.go and file_others.go. It works fine. But for file_unix.go and file_others.go it does'n' work. I don't want to create eight f...
What does auto&& tell us?
... (avoiding copies) when the original initializer was a modifiable rvalue.
What does this mean as to whether we can or when we can steal resources from var? Well since the auto&& will bind to anything, we cannot possibly try to rip out vars guts ourselves - it may very well be an lvalue or e...